(a) Doctor of Philosophy (PhD, Agriculture), University of Ibadan, Ibadan (1997)
(b) Master of Science (MSc, Entomology), University of Ibadan, Ibadan (1991)
(c) Bachelor of Science (BSc, Zoology), University of Lagos, Lagos (1988)

Completed
a) Integrated management of cucumber pests
b) Integrated management of cowpea seed weevil with seed resistance and botanicals
c) Evaluation of sesame lines for resistance to major insect pests
ii. In progress
a) Evaluation of cowpea accessions for resistance to pod-sucking bugs
b) Genetic diversity of the tomato fruit worm, Helicoverpa armigera Hubner (Lepidoptera: Nuctuidae) in Nigeria
c) Development of integrated pest management (IPM) technology for tomato wilt diseases and fruit borers.

(a) Post Doctoral Fellowship (Chinese Academy of Sciences & Third World
Academy of Sciences, 2005 – 2006)
(b) Faculty Exchange Programme on African Phytosanitary Capacity Building
(August – December, 2008 (Organised by United States Department of Agriculture, USDA)

a) Member, Entomological Society of Nigeria.
b) Member, Horticultural Society of Nigeria
c) Member, Nigerian Society of Plant Protection
d) Member, Organic Agriculture in Tertiary Institutions

I. The 47th Annual Conference of the Entomological Society of Nigeria, held at The University of Ilorin, Ilorin, Kwara State, Nigeria (October 7 – 9, 2016).
II. The 46th Annual Conference of the Entomological Society of Nigeria, held at The University of Lagos, Lagos, Lagos State, Nigeria (October 7 – 9, 2015).
III. The 39th Annual Conference of the Nigerian Society for Plant Protection held at the Ladoke Akintola University, Ogbomoso (LAUTECH) (May 6 – 8, 2014).
IV. The 32nd Annual Conference of the Horticultural Society of Nigeria, held at the Federal University of Agriculture, Abeokuta (2014).
V. The 37th Annual Conference of the Nigerian Society for Plant Protection held at the Federal University of Agriculture (FUNAAB) (May 6-10, 2012).
VI. The 41stAnnual Conference of the Entomological Society of Nigeria, held at Wesley University of Science and Technology, Ondo, Ondo State, Nigeria (June 4 -7, 2010).
VII. The 25th Annual Conference of the Horticultural Society of Nigeria, held at the National Horticultural Research Institute, NIHORT, Ibadan (September, 2007).
VIII. The 38th Annual Conference of the Entomological Society of Nigeria, held at Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria (2007).

1. Pitan, O.O.R., Akinlosotu, T.A. & Odebiyi, J.A. (2000). Impact of Gyranusoidea tebygi (Noyes) (Hym.:Encyrtidae) on the mango mealybug, Rastrococcus invadens Williams (Hom.: Pseudococcidae) in Nigeria. Biocontrol Science and Technology 10: 245 – 254.
Published by Taylor & Francis Group, London, UK. DOI: 10.1080/09583150050044529.

2. Pitan, O.O.R., Odebiyi, J.A. & Adeoye, G.O. (2000). Effects of phosphate fertilizer levels on cowpea pod-sucking bug population and damage. International Journal of Pest Management 46: 205 – 209.
Published by Taylor & Francis Group, London, UK. DOI: 10.1080/096708700415544.

3. Pitan, O.O.R., & J.A. Odebiyi (2001). The effect of intercropping with maize on the level of infestation and damage by pod-sucking bugs in cowpea. Crop Protection 20:367 – 372
Published by Elsevier Publishers, UK. DOI: 10.1016/S0261-2194(00)00135-6.

4. Pitan, O.O.R., Georgina Mwamsat, Sunday O.S. Akinyemi, Oyeboade S. Adebayo & Taiwo A. Akinlosotu (2002). Effect of the mango mealybug and sooty mould attack on mango and the impact of the released Gyranusoidea tebygi Noyes on yield. Fruits 57: 103 – 115.
Published by Edition Diffision Presse (EDP) Sciences, France.
DOI: 10.1051/fruits: 2002010.

5. Pitan, O.O.R., J.A. Odebiyi, G.O. Adeoye & E.O. Osisanya (2001). Influence of maize intercropping and minimal insecticidal usage on the pod-sucking bugs of cowpea. Tropical Agriculture (Trinidad) 78: 48 – 51.
Published by Imperial College of Tropical Agriculture, Trinidad and Tobago, West Indies. http://runners.ritsumei.ac.jp/cgi-bin/swets/hold-query e?mode=0&keyidxno=03611046

6. Pitan, O.O.R. & J.A. Odebiyi (2001). Crop loss in cowpea due to the pod-sucking bugs, Riptortus dentipes, Mirperus jaculus, Anoplocnemis curvipes and Nezara viridula. Insect Science and Its Application 21: 237 – 241.
Published by the International Center of Insect Physiology and Ecology (ICIPE), Kenya.
http://www.icipe.org/images/stories/pdf/publications/ijt/PUBlist2001.pdf
7. Pitan, O.O.R. & J.A. Odebiyi (2002). Effect of intra-row spacing of cowpea on pod-sucking bug population and damage in Ibadan, Nigeria. Nigerian Journal of Entomology 19: 31 – 39.
Published by the Entomological Society of Nigeria.
www.unaab.edu.ng/index.php?option=com_content..id

8. Pitan, O.O.R. (2002). Aspects of biology and variation in the developmental time of the spiraling whitefly, Aleurodicus dispersus Russell (Homoptera: Aleyrodidae) on different hosts. Nigerian Journal of Entomology 19: 124 – 132.
Published by the Entomological Society of Nigeria.
www.uaab.edu.ng/index.php?option=com_content..id

9. Pitan, O.O.R. (2003). Response of two growth stages of pepper to different population densities of the spiraling whitefly (Aleurodicus dispersus Russell). Insect Science and Its Application 23: 115-120.
Published by the International Center of Insect Physiology and Ecology (ICIPE), Kenya.
http://www.icipe.org/images/stories/pdf/publications/PUBlist2003.pdf

10. Pitan, O.O.R., Alasiri, K.O. Kintomo, A.A. Babalola, S.O. & Olatunde, G.O. (2006). Studies on the occurrence and relative abundance of the major insect pests of roselle (Hibiscus sabdariffa var sabdariffa L). International Journal of Agricultural Sciences, Science, Environment and Technology (ASSET) 6: 55 – 61.
Published by the Federal University of Agriculture, Abeokuta, Nigeria.
www.unaab.edu.ng/index.php?option=com_content…id

11. Pitan, O.O.R., Odebiyi, J.A. Akinlosotu, T.A , Hassan, T. & Nwamsat, G. (2006).
Importation, releases and establishment of Neochetina eichhorniae Warner (Coleoptera:
Curculionidae) for the biological control of water hyacinth (Eichhornia crassipes) in Nigerian waters. International Journal of Agricultural Sciences, Science, Environment and Technology (ASSET) Series A, 6: 89 – 102
Published by the Federal University of Agriculture, Abeokuta, Nigeria.
www.uaaab.edu.ng/index.php?option=com_content…id

12. Pitan, O.O.R. & Olatunde, G.O. (2006). Effects of intercropping tomato (Lycopersicon esculentum) at different times with cowpea (Vigna unguiculata) or okra (Abelmoschus esculentum) on crop damage by major insect pests. Journal of Agricultural Sciences (Cambridge) 144: 361 – 366.
Published by Cambridge Publishers, United Kingdom. DOI:10.1017/S0021859606006277

13. Pitan, O.O.R., Alasiri, K. O., Kintomo, A. O., Babalola, S.O. & Olatunde, G. O. (2007). Variations in yields and susceptibility to insect attack in three varieties of roselle (Hibiscus sabdariffa var sabdariffa L.) at different planting densities and fertilizer rates in a sub-humid environment. Journal of Horticulture and Biotechnology 82: 49 – 54.
Published by International Society for Horticultural Science, United Kingdom.
http://www.jhortscib.org/Vol82/82_1/10.htm

14. Pitan, O.O.R., Odubiyi, S.I.I & Olatunde, G.O. (2007). Yield response of cowpea, Vigna unguiculata L. (Walp), to infestation of Aspavia armigera F. (Hemiptera: Pentatomidae). Journal of Applied Entomology 131: 704 – 708.
Published by Wiley-Blackwell Publishers, United Kingdom.
DOI: 10.111/j.1439-04l8.2007.0l209.x

15. Olatunde, G. O., Biobaku, I. A., Ojo, D. K., Pitan, O.O.R. & Adegbite, E. A. (2007).
Inheritance of resistance in cowpea to pod sucking bug, Clavigralla tomentosicollis Stal.
(Hemiptera: Coreidae). Tropical Science 47: 128 – 153.
Published by Wiley & Sons Publishers, United Kingdom. DOI: l0.l002/ts.206

16. Pitan, O.O.R., Fajinmi, A.A., Akinyemi, S.O.S. & Ayodele, E. A. (2008). Status of the spiraling whitefly, Aleurodicus dispersus Russell (Homoptera: Aleyrodidae), infestation in Nigeria. Nigerian Journal of Plant Protection. 24: 35 – 44.
Published by Nigerian Society for Plant Protection. www.unaab.edu.ng/index.php?option=com_content…id

17. Babarinde, S.A., Pitan, O.O.R. & Iyiola, F.A. (2008). A pre-screen of termiticidal potentials of aerial parts of castor, Ricinus communis (Euphorbiaceae). Journal of Entomology 5:218 – 223.
Published by Science Alert, New York, USA. DOI: l0.3923/je.2008.2l8.223

18. Babarinde, S.A., Adebayo, T.A., Pitan, O.O.R. & Folorunso, J.T. (2008). Host influence on the population growth and damage by cigarette beetle (Lasioderma serricorne F.) in Ogbomoso, Nigeria. Crop Research 35(3): 268 – 272.
Published by The Gaurav Society of Agricultural Research Information Centre (ARIC), Hisar, India. http://www.cropresearch.org/

19. Pitan, O.O.R, Tairu F.M. & Olatunde, G.O. (2008). Varietal differences in the resistance of Corchorus olitorius to the flea beetles. Nigerian Journal of Plant Protection 25: 21 – 29.
Published by Nigerian Society for Plant Protection;
www.unaab.edu.ng/index.php?option=com_content..id

20. Pitan, O.O.R. (2008). Variation and fluctuation in the population density of the mango mealybug (Rastrococcus invadens Williams) (Homoptera: Pseudococcidae), and its parasitisation in relation to smoke pollution. International Journal of Tropical of Insect Science 28: 1 – 7
Published by Cambridge Publishers, Cambridge, United Kingdom. DOI:10.1017/S174275840806757X

21. Pitan, O.O.R., O.O. Aiyelaagbe, H. L. Wang & C. Z. Wang (2009). Identification, isolation and characterization of bioactive constituent of Clausena anisata (Wild.) Hook F. Ex Benth (Rutaceae) against Helicoverpa armigera Hubner (Lepidoptera: Nuctuidae). Insect Science 16: 247- 253.
Published by Wiley-Blackwell Publishers, United Kingdom.
DOI/10.1111/j.1744-7917.2009.01255.x/pdf
22. Babarinde, S. A., Pitan, O.O.R., and Ogunfiade, A.T. (2011). Bioactivity of Piper guineense Schum, & Thonn seed and Moringa oleifera Lam. leaf powder against Trogoderma granarium Everts (Coleoptera: Dermestidae). Archives of Phytopathology and Plant Protection 44: 298 -306.
Published by Taylor & Francis Publishers, London, UK. DOI.org/10.1080/ 03235400903024878

23. Pitan, O.O.R., & Ekoja, E. E. (2011). Yield response of okra, Abelmoschus esculentus (L.) Moench to leaf damage by the flea beetle, Podagrica uniforma Jacoby (Coleoptera: Chrysomelidae). Crop Protection 30: 1346 – 1350
Published by Elsevier Publishers, United Kingdom. DOl; l0.1016/j.cropro.2011.06.004

24. Pitan, O.O.R. & Adewole, M.M. (2011). Relationship between chemicals in some
Malvaceaea crops and host-preference by Podagrica sjostedti Jacoby (Coleoptera: Chrysomelidae). Journal of Agricultural Science and Environment (ASSET). 11: 1 – 8
Published by the Federal University of Agriculture, Abeokuta.
http://joumal.unaab.edu.ng/index.php/JAgSE

25. Pitan, O.O.R., Babarinde, S.A., Adesina, G.O. & Akintola, A. J. (2011). Host plants of the cotton mealybug, Phenacoccus solenopsis Tinsley (Homoptera: Pseudococcidae) in three selected towns of Nigeria, and its infestation pattern. Journal of Agricultural Science and Environment (ASSET) 11(1): 59 – 67.
Published by the Federal University of Agriculture, Abeokuta.
http://journal.unaab.edu.ng/index.php/JAgSE

26. Ekoja, E.E., Pitan, O.O.R., & Atayese, M.O. (2012). Physiological response of okra to flea beetle herbivory as measured by leaf loss, chlorophyll disruption and dry matter yield. International Journal of Vegetable Science 18: 171-181.
Published by Taylor & Francis, Philadelphia. USA. DOI: l0.1080/19315260.2011.598224

27. Babarinde, S.A., Pitan, O.O.R., T.A. Adebayo, A.O. Akinyemi, G.O. Adesina & O.I. Odumade (2012). Susceptibility of 12 smoke dried fish species to Dermestes frischii Kugelann (1792) (Coleoptera: Dermestidae). African Entomology 20(l): 171-176
Published by South African Society of Entomology.
http://referenoe.sabinet.co.za/document/EJC119292

28. Pitan, O.O.R., & Ekoja, E. E. (2012). Growth inhibition and fruit distortion in okra (Abelmoschus esculentus) induced by the flea beetles (Podagrica uniforma) (Coleoptera: Chrysomelidae) herbivory. International Journal of Tropical of Insect Science 32:210-217
Published by Cambridge Publishers, United Kingdom. DOI:http://dx.doi.org/10.1017/SI742758412000343

29. Alebiosu, I.B., Olatunde G.O. & Pitan O.O.R. (2013). Variations in some traits of two silkworm Bombyx mori L. (Lepidoptera: Bombycidae) hybrid fed on mulberry leaves of different maturity stages. Nigerian Journal of Science 47: 1 – 7
Published by Science Association of Nigeria
30. Mohammed, I.G., Osipitan, A.A., Pitan, O.O.R. & Atayese, M. (2013). Evaluation of fifteen varieties of okra Abelmoschus esculentus (L.) Moench to field infestation by flea beetles (Podagrica spp.) African Entomology 21(1): 70 – 78.
Published by South African Society of Entomology.
http://reference.sabinet.co.za/document/EJC132841

31. Alebiosu, I.B., Olatunde G.O. & Pitan, O.O.R (2013). Developmental parameters and cocoon production by five silkworm, Bombyx mori L. (Lepidoptera: Bombycidae) hybrids at different feeding regimes. International Journal of Agricultural and Apicultural Research 10: 18-24
Published by Ladoke Akintola University of Technology, Ogbomoso, Oyo State. http://www.ajol.info/index.php/ijaaar

32. Pitan, O.O.R & Filani, C.O. (2013). Assessment of insect spectrum and insect-induced damage at different growth stages of cucumber (Cucumis sativus L.) in a rainforest transition zone of Nigeria. Annals of Tropical Research 35: 60-68
Published by Visayas State University, Leyte, Philippines
http://www.annalsoftropicalresearch.com.atr/resources/pdf%20file/vol35%20No.2/4.pdf

33. Alebiosu I.B., Olatunde, G.O. & Pitan, O.O.R. (2013). General performance and cocoon yields of two hybrid of the silkworm, Bombyx mori L. (Lepidoptera: Bombicidae), fed on mulberry leaves from different amended soils. Annals of Tropical Research 35: 1-12
Published by Visayas State University, Leyte, Philippines
http://www.analsoftropicresearch.com/atr/resources/pdf%20file/vol35%20No.1/ATR2

34. Pitan, O.O.R., Jinadu, G.M., Shodunke, O.K, Filani, C.O. & Adewole, M.M. (2013).
Influence of varietal differences and pyrethroid insecticides on the population densities of cucumber insects pests, Dacus spp. and Bacterocera invadens (Diptera: Tephritidae), and fruit damage. Nigerian Journal of Horticultural Science 18: 69 – 77
Published by the Horticultural Society of Nigeria

35. Pitan, O.O.R. & Esan, E.O. (2014). Intercropping cucumber with amaranth (Amaranthus cruentus L.) to suppress the population of major insect pests of cucumber (Cucumis sativus L.). Archives of Phytopathology and Plant Protection 47(9): 1112-1119
Published by Taylor and Francis Group, London, UK. DOI:10.1080/03235408.2013.858426
36. Azeez, O.M. & Pitan, O.O.R (2014). Comparative seed resistance in eighty cowpea accessions to the seed bruchid, Callosobrochus maculatus (Fabricius) (Coleoptera: Bruchidae), Archives of Pythopathology and Plant protection 47(15): 1806 – 1814
Published by Taylor and Francis Group, London, UK.
DOI: 10.1080/03235408.2013.858426

37. Azeez, O.M. & Pitan, O.O.R (2014). Influence of cowpea variety on the potency and deterrent indices of six plant powders against the seed bruchid, Callosobruchus maculatus (Fabricius) (Coleoptera: Bruchidae). Archives of Phytopathology and Plant Protection, 47(17): 1- 8
Published by Taylor and Francis Group, London, UK. DOI: 10.1080/03235408.2014.893637

38. Pitan, O.O.R. and Filani, C.O. (2014). Effect of intercropping cucumber, Cucumis sativus (L), at different times with maize, Zea mays (L.), on the density of cucumber insect pests. International Journal of Tropical of Insect Science 34 (4): 269 – 276
Published by Cambridge Publishers, United Kingdom. DOI:10:1017/s1742758414000435

39. Joda, A.O., Ewete, F.K., and Pitan, O.O.R. (2014). Biological control of Aspavia armigera with Agriope sp and evaluation of four alternative hosts as trap crops for the insect. Nigerian Journal of Plant Protection 28:126-132. http://dx.doi.org /10.15640/jaes.v4n 1a17.

40. Ewedairo, B. I., Osipitan, A. A., Pitan, O. R., Adebisi, M. A. and Atayese, M. O. 2014. Resistance of Some Maize Varieties to Infestation by Larger Grain Borer Prostephanus truncatus (Horn) (Coleoptera: Bostrichidae) as Influenced by Grain Hardness and Phenol Content of the Kernels. Nigeria Journal of Entomology 31:93-102.
(Publisher: Entomological Society of Nigeria).

41. Ewedairo, B.I., Osipitan, A.A, Pitan, O.O.R, Adebisi, M.A. and Atayese, M.O. (2014). Evaluation of the nutritional composition of maize (Zea mays) kernels and their resistance to damage by larger grain borer – Prostephanus truncatus (Horn) (Coleoptera: Bostrichidae). Nigerian Journal of Plant Protection. 28 (1):34 – 44
Published by Nigerian Society for Plant Protection.

42. Alebiosu, I.B., Olatunde G.O., Adedire, M.O. & Pitan, O.O.R. (2014). Performance and cocoon yields of two hybrids of Bombyx mori L. (Lepidoptera: Bombycidae) fed on leaves from pruned and unpruned mulberry plants. Nigerian Journal of Ecology 13: 12 – 18.
Published by Nigeria Society of Ecology.

43. Joda, A.O., Ewete, F.K. and Pitan, O.O.R. (2014). Evaluation of damage induced by Aspavia armigera (Fabricius) on different rice (Oryza sativa Linn) varieties. Journal of Agricultural Science 6 (11): 30-36.
Published by Canadian Center of Science and Education, Canada.
DOI: 10.5539/jas.v6n11p30.

44. Alebiosu, I.B., Olatunde G.O., Adedire, M.O. & Pitan O.O.R. (2014). Development and cocoon parameters of the silkworm (Bombyx mori L). (Lepidoptera: Bombycidae) fed on mulberry leaves preserved for different durations under tropical conditions. Nigerian Journal of Ecology 13: 19 – 26
Published by Nigerian Society of Ecology.

45. Ekoja, E.E., Pitan, O.O.R. and Olaosebikan. F.T. (2015). Variations in Stem Borer Infestation and Damage in Three Maize (Zea mays L.) Types in Southern Guinea Savanna and Rainforest Zones of Nigeria. Agriculture, Forestry and Fisheries 4(6): 284-290 Published online (http://www.sciencepublishinggroup.com/j/aff)
doi:10.11648/j.aff.20150406.18

46. Joda, A.O., Ewete, F.K., Singh, B.N. and Pitan, O.O.R. (2015). Varietal differences in rice (Oryza sativa L.) resistance to the shield bug, Aspavia armigera (Fabricius) (Hemiptera: Pentatomidae). Journal of Agricultural Science. 7 (5): 211-218.
Published by Canadian Center of Science and Education, Canada.
DOI: 10.5539/jas.v7n5p211.

47. Babarinde, S.A., Pitan, O.O.R., Olatunde, G.O. and Ajala, M.O. (2015). First report of toxicity of Xylopia parviflora (A. Rich.) Benth. (Annonaceae) root bark essential oil against cowpea seed bruchid, Callosobruchus maculatus Fabricius (Coleoptera: Chrysomelidae: Bruchinae). Natural Product Research 29 (4): 349-352.
Published by Taylor and Francis Group, London, UK.
DOI: 10.1080/14786419.2014.940943.

48. Akinyemi, A.O., Pitan, O.O.R., Osipitan, A.A. and Adebisi, M. (2015). Susceptibility of sesame (Sesamum indicum L.) to major field insect pests as influenced by insecticide application in a sub-humid environment. African Entomology 23 (1): 48 – 58
Published by Entomological Society of Southern Africa, Pretoria, South Africa.

49. Babasanya, O.G., Osipitan, A.A., Pitan, O.O.R. and Atayese, M.O. (2015). Evaluation of some botanicals for the management of Tribolium castaneum (Herbst) in groundnut (Arachis hypogaea L.) and their effects on it nutritional composition. Journal of Organic Agriculture Project in Tertiary Institutions in Nigeria 2: 106-116
Published by Organic Agriculture Project in Tertiary Institutions in Nigeria.

50. Soyombo, O.O., Osipitan, A.A., Pitan, O.O.R. and Oyekanmi, A.A. (2015). Evaluation of plant extracts in the management of insect infestation of soybean (Glycine max L.) Merrill. Nigerian Journal of Ecology 13:67 – 72
Published by Ecological Society of Nigeria.

51. Ewedairo, B. I., Osipitan, A.A., Pitan, O.O.R., Adebisi, M.A. and Atayese, M.O. (2015). Influence of Maize Grain Hardness and Phenol Content on the Resistance of Some Maize Varieties to Infestation by Larger Grain Borer, Prostephanus truncatus (Horn) (Coleoptera: Bostrichidae). Nigerian Journal of Entomology 31: 93 – 102
Published by Entomological Society of Nigeria.

52. Pitan, O.O.R., Kehinde, A.T., Osipitan, A.A., Ademolu A.A. and Lawal O.A. (2015). Laboratory evaluation of insecticidal activities of some botanicals on four insect pests of honey bees (Apis mellifera L.). International Journal of Applied Apicultural and Apicultural Science Research 11: 1&2: 172-182
Published by Ladoke Akintola University of Technology, Ogbomosho, Osun State.

53. Ajao, F.O., Osipitan, A.A., Pitan, O.O.R. and Lawal, O.A. (2016). Effect of plant spacing on the abundance of major insect pests of cowpea (Vigna unguiculata L. Walp.) and crop yield. Journal of Organic Agriculture and Environment 4.1: 112-131.
Published by the Organic Agriculture Project in Tertiary Institutions in Nigeria

54. Babarinde, S.A., Pitan, O.O.R., Ajala, M.O. and Olatunde, G.O. (2017). Insectifugal and insecticidal potentials of two tropical botanical essential oils against cowpea seed bruchid
Environmental Science and Pollution Research 24, 19785–19794.
DOI:10.1007/s11356-017-9589-x
55. Babarinde, S.A., Pitan, O.O.R., Olatunde, G.O. and Ajala, M.O (2017). Chemical Composition of the Essential Oil of Nigeria Grown Hoslundia opposita Vahl (Lamiaceae) Dried Leaves and Its Bioactivity against Cowpea Seed Bruchid (2017) Chemistry and Biodiversity14 (6) DOI: 10.1002/cbdv.201600418

56. Akinyode, E. T., Porbeni, J B. O., Ojo, D.K., Pitan,O.O.R., Olufolaji, A. O., Chikaleke, V., Abdul-Rafiu, A. M,, Ibitoye, D.O. (2017). Evaluation of Nine Accessions of Solanum aethiopicum for Yield and Related Traits in South Western Nigeria. Nigerian Journal of Genetics

57. Akinyode, E. T., Porbeni, J B. O., Ojo, D.K., Pitan, O.O.R., Olufolaji, A. O., Chikaleke, V., Abdul-Rafiu, A. M,, Ibitoye, D.O. (2018). Estimation of Heterosis of Yield and Yield-Related Traits in The African Eggplant (Solanum aethiopicum) Hybrids Journal of Plant Breeding and Genetics. 6 (02): 39-45

58. Owolabi, A. V., Filani, C. O., Buari, R. A., Osipitan, A. A., Makinde, E.A. and Pitan, O.O.R (2018) Relative susceptibility of some local tomato (Solanum lycopersicon L.) genotypes to the fruit borer (Helicoverpa armigera Hubner) (Lepidoptera: Noctuidae) and its relationship with plant physiomorphic characters. Nigerian Journal of Ecology 17(2): 115-125.
Published by the Ecological Society of Nigeria.
Available from: https://www.researchgate.net/publication/330516344

59. Azeez, O. M., and Pitan, O. O. R. (2018). Sole and combined effect of three botanicals against cowpea seed bruchid, Callosobruchus maculatus Fabricius. African Journal of Agricultural Research 13(7), 321-328.

60. Buari, R. A., Filani, C. O., Owolabi, A. V., Osipitan, A.A., Atayese, M.O. and Pitan, O.O.R. (2018). Variations in the susceptibility of some field-grown hybrid and exotic tomato (Solanum lycopersicum) infestation in a transition environment. Nigerian Journal of Horticultural Science 14: 69-77

61. Oke, O.A., Oyebode, G.I., Pitan, O.R., Afolabi, O.O. and Ademolu, K.O. (2018). Toxicity of Hexanolic Extract of Cymbopogon citratus Oil and Powder in the Control of Callosobrunchus maculatus (F) on Stored Cowpea. Biological and Environmental Sciences Journal for the Tropics 15(2), 0794 – 9057

62. Joda, A.O., Ewete, F.K., Singh, B.N. and Pitan, O.O.R. (2018). Evaluation of some synthetic insecticides for the control of the shield bug, Aspavia armigera (Fabricius) (Hemiptera: Pentatomidae) on rice (Oryza sativa L.) Moor Journal of Agricultural Science 19: 51-38

63. Babarinde, S.A. and Pitan O.O.R. (2019). Preliminary screening of selected tropical botanicals as cowpea protectants against cowpea seed bruchid Callosobruchus maculatus Fabricius (Coleoptera: Chrysomelidae: Bruchinae). Munis Entomology and Zoology 14 389-394

64. Joda, A.O., Ewete, F.K., Singh, B.N. and Pitan, O.O.R. (2019). Biological control of Aspavia armigera with Agriope sp. and evaluation of four alternative hosts as trap crops for the insect. Nigerian Journal of Plant Protection 28: 128-132

65. Mohammed, I. G., Osipitan, A. A., Pitan, O. O. R. and Adigbo, S. O. (2019), Habitat Management Influence of Orseolia oryzivora and its Parasitoids on Rice. Badeggi Journal of Agricultural Research and Environment 1(01), 58–65
` DOI: https://doi.org/10.35849/BJARE201901007

66. Olorunniyi, O. F., Idowu, O. A., Idowu, A. B., Pitan, O. R. and Babalola, A. S. (2019). Malaria parasite infection in some periurban and rural communities in Ekiti State. Nigeria. Journal of Advances in Biology and Technology 22 (3): 1-11

67. Adebowale, T.J., Osipitan, A.A, Pitan, O.R, Lawal, O.L, Joda, A.O., Filani, C.O. and Ewedairo, B.I. (2019): Resistance of some Hybrid Maize (Zea mays L.) to damage by Maize weevil, Sitophilus zeamais (Motsch.) (Coleoptera: Curculionidae) and Larger Grains Borer, Prostephanus truncatus (Hivn.) (Coleoptera: Bostrichidae). Nigeria Journal of Entomology 35: 45 – 59. DOL: 10.3610/HJE/9102/53.01.50
68. Azeez, O. M., Adebola, A.A., Daniel, I, O, and Pitan, O. O. R. (2020). Effect of Integration of Seed Resistance and Plant Powders on Infestation and Damage of Stored Cowpea Seeds by Callosobruchus maculatus (Fabricius) (Coleoptera: Chrysomelidae) Annals of Tropical Research 42: 33-44.

69. Adeoye O.T. and Pitan O.R. 2020. Diversity of insect pollinators of sunflower (Helianthus annus L: Asteraceae) in response to host plant nutrient enhancement Trop. Agric. (Trinidad), 97(2) 126-136

70. Adeoye, O., Pitan, O.O.R, Akinkunmi, O., and Akinyemi (2020). Synergistic interactions between honeybee Apis mellifera L. and flower colour of sunflower in response to NPK fertilizer application. Ethiopian Journal of Environmental Studies and Management 13 (4)): 495 – 508. doi: https://ejesm.org/doi/v13i4.10

71. Olubusola Temitope Adeoye, Pitan Olufemi Richard, Kehinde Olutoyin Ademolu and
Ayangbade Emmanuel Ayandokun (2020). Morphometric studies on Nigerian honeybee Apis mellifera adansonni L. workers of rainforest and Sudan agro-ecological zones of Nigeria. International Journal of Tropical Insect Science (Online). https://doi.org/10.1007/s42690-020-00316-3
72. Akinkunmi, O.Y., Pitan, O.O.R., Ademolu, K.O. and Osipitan, A.A. (2021). Digestive enzymes activities in Epilachna chrysomelina Fabricious (Coleoptera: Coccinelidae) guts during post-embryonic development. Annals of Tropical Research 43 (1). In press.
73. Olubusola Temitope Adeoye, Olufemi Richard Pitan, Olusola Olubola Olasupo, Ayangbade Emmanuel Ayandokun, Folorunsho Ishaq Abudul-Azeez (2021). Assessment of honeybees and bee honey as bioindicators of environmental pollution. Australian Journal of Science and Technology 5(1); 460 – 465
74. Akinkunmi, O.Y., Pitan, O.R. and Adeoye, O.T. (2021). Assessment of fruit yield loss in cucumber due to leaf feeding by Epilachna chrysomelina Fabricius (Coleoptera: Coccinellidae). Ethiopian Journal of Environmental Studies & Management 14(3): 380 – 389. doi: https://ejesm.org/doi/v14i3.10.
75. Olorunniyi O. F., Idowu O. A., Idowu A. B., Pitan O. R., Oyeniyi T. S. and Adesalu O. (2021). Seasonal Transmitting Potential of Malaria Vectors in Six Communities in Ekiti State. Nigeria Nigerian Journal of Parasitology 42(1), 44-49
76. Akinkunmi O.Y. and Pitan O.O.R. (2021). Growth inhibition in cucumber Cucumis sativus L induced by Epilachna chrysomelina Fabricius Coleoptera: Coccinelidae. Archives of Phytopathology and Plant Protection (Online) 10.1080/03235408.2021.1968270
77. Jallow, M. and Pitan, O. O. R. (2021). Loss Assessment of Stored Maize at Different Storage Durations and Maize Weevil Densities. European Journal of Nutrition & Food Safety 13(3): 45-53,
78. Olubusola Temitope Adeoye, Olufemi Richard Pitan, Kehinde Olutoyin Ademolu, Akinola Rasheed Popoola, Bridget Bobadoye, Akinkunmi Olukemi Yetunde 2021. Morphological variations in Nigerian Apis mellifera Linnaeus, 1758 populations in Guinea savannah agro-ecological zone. Polish Journal of Entomology 90(4): 223–235 DOI: 10.5604/01.3001.0015.6646
79. Ekoja, E. E. and Pitan, O.O.R. 2022. Refining trapping protocols for field management of Podagrica spp. Crop Protection 162: 106096
80. Akinkunmi, O.Y. and Pitan, O.R. (2022). Aspects of the biology of Epilachna chrysomelina Fabricius in Nigeria (Coleoptera: Coccinellidae). Nigerian Journal of Entomology 38: In Press.
81. Mokwunye , lIdongesit U., Pitan, Olufemi R ,.Osipitan, Adebola, A., .Ademolu, Kehinde O. (202). Efficacy and profitability of five insecticides for the control of the stem girdler, Analeptes trifasciata (Coleoptera: Cerambycidae) on cashew. Crop Protection 164: 106146 (Online).
EDITED PROCEEDINGS
82. Ogunkeyede, O.M.O., Ogungbaigbe, L.O. Pitan, O.O.R. & Alasari, K.O (1998). A preliminary investigation of the compatibility of eggplant and maize intercropping system. Proceedings of the 16th Annual Conference of the Horticultural Society of Nigeria (HORTSON). F.O. Olasantan (Ed) 177-180.

83. Pitan, O.O.R. & Odebiyi, J.A. (1998). Effect of host plants on the level of hyper-parasitisation of mango mealybug parasitoid (Gyranusoidea tebygi Noyes). Proceedings of the 16th Annual Conference of the Horticultural Society of Nigeria (HORTSON). F.O. Olasantan (Ed). 148-150.

84. Pitan, O.O.R., Odebiyi, J.A. & Akinlosotu, T.A. (1999). Distribution of Gyranusoidea tebygi Noyes (Hymenoptera: Encyrtidae); a biological control agent released against mango mealybug, Rastrococus invadens Williams (Homoptera: Pseudocococidae) in Nigeria. Proceedings of the 17th Annual Conference of the Horticultural Society of Nigeria (HORTSON). V.C Umeh and E. O. Olufolaji (Eds.).
85. Fajinmi, A.A., Adelaja, B.A., Pitan, O.O.R. & Hughes, N. (2000) Banana streak virus (Genus Badnavirus): A potential threat to plantain production in south-western Nigeria, Proceedings of the 18th Annual Conference of the Horticultural Society of Nigeria (HORTSON). A.D. Akpa (Ed.). 31-37.

86. Fajinmi A.A., Akinyemi, S.O.S., Pitan, O.O.R. and Hughes, N. (2000). Incidence of the banana streak virus in south-eastern Nigeria. Proceeding of the 18th Annual Conference of the Horticultural Society of Nigeria (HORTSON). A.D. Akpa (Ed.). 31-37.

87. Pitan, O.O.R. (2001). Distribution pattern of the spiraling whitefly, Aleurodicus dispersus Russell, on tomato plant. Proceedings of the 19th Annual Conference of the Horticultural Society of Nigeria (HORTSON). B.N. Mbah and K. P. Baiyeri (Eds.) 98–100.

88. Erinle, K. S. and Pitan O.R. (2021). Current Status of Rastrococcus invadens Williams (Homoptera: Pseudococcidae) Infestation and parasitisation on Mango Trees in Abeokuta Metropolis. Proceedings of the 39th Annual Conference of the Horticultural Society of Nigeria (HORTSON). held at Cocoa Research Institute of Nigeria, Ibadan.

TECHNICAL REPORT
89. Pitan, O.O.R., Ayo-John, E.I., Afolabi, C.G., Odeyemi, I.S., Oduwaye, O.A., Olorunmaye, P.M. & Filani, C.O. (2014). Field pest diagnostic survey of Fadama sites in some Local Government Areas of Oyo State. Oyo State Fadama III Project Report 82 pp.

TRAINING MANUALS
90. Pitan, O.O.R. (2000). Crop protection practices in ornamental plant production, In: Flower Nursery Establishment anti Management Training Manual 2000, (Eds. O.O. Oyedele & M.A. Adejoro), National Horticultural Research Institute, NIHORT, Ibadan, Nigeria. 18 pp.

91. Umeh V.C and Pitan, O.O.R. (2002). Crop protection practices in ornamental plant production, In: Flower nursery establishment and management (Eds. O. O. Oyedele & M.A. Adejoro) National Horticultural Research Institute (NIHORT), Ibadan, Nigeria. 25 pp.