Author: Oluwaferni A. Oke

Journal of Emerging Trends in Engineering and Applied Sciences (JETEASE) 2 (3); 379-382

Abstract
Studies on the mating procedures were made on virgin males and females of eochetina eichhorniae. The virgin species of . eichhorniae were raised from the stock of adult males and females.

eichhorniae reared in a plastic aquarium tank (100 cm x 100cm x 100 cm) con taining water hyacinth plants on the premises of the Department of Zoology, University of Ibadan, Ibadan. Four pairs of virgin . eichhorniae were placed inside an aerated covered vial (16.5 cm radius and 7.00 cm high) in the laboratory at a temperature range of 28300c for observation. 5 trials were made. In each trial, a pair of weevils were placed together for one hour. A minimum copulation period of 60 seconds and maximum period of 120 seconds with a mean copulation period of 97.67 seconds was observed.

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