Egg-collection equipment for Liriomyza leafminers was designed using a small glass tube with a glucose solution supported between two thin films. Adult female Liriomyza trifolii (Burgess), which were previously reared on kidney bean for 2-4 days, laid abundant eggs in 5 or 10% glucose solutions. Hatchability of the eggs in the solutions was greater than 80%. The equipment was used successfully to collect eggs from another leafminer species, Liriomyza sativae Blanchard.
The sweetpotato whitefly, Bemisia tabaci biotype B, laid eggs on tea leaves in both no-choice and choice tests. However, the number of eggs laid on tea leaves was significantly less than oviposition on cucumber, eggplant and cabbage. The survival rates of eggs and nymphs on tea leaves were extremely low compared to survival on cucumbers, but egg-to-adult development time on both plants was similar.
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