Adult phase duration males and females emergency of cocoa fruit borer in Choroni and Maracay, Aragua State

Abstract

The species Carmenta foraseminis pest of cocoa, Theobroma cacao L., hardly oviposit in captivity. So to know some aspects of its biology research was undertaken in two locations of Aragua State, Venezuela: Maracay (My) and Choroní (Ch). In Ch, samples were taken in the stacks of cocoa pods ready for shelling. From damaged fruits were collected larvae and pupae that were subsequently used in the trials. In addition, tests were made to determine if the color (black or white) and the type of container affect the emergence and duration of the adult stage, the matter did not show significant statistical differences. Similarly, tests were performed on the cycle of the adult stage, emergence percentage by sex, morning and evening hours. Data analysis were used binomial test and chi-square for two ratios, additionally, different containers were tested and substrates for obtaining eggs. My significant differences in the proportions of males and females emerged. Also, highly significant differences were detected for the number of pupae that managed to reach the adult stage and location of the emergency, emergency being greater Ch, where no significant differences were observed with respect to the times indicated, but it got eggs in the container that had sections of cocoa with pupal exuviae C. foraseminis.