The effects of synthetic juvenile hormone on the viability of
eggs, metamorphosis of nymphs, and mating behavior of males and
females in diapause was investigated by treating Draeculacephala
crassicornis with ENT 33972a. The viability of eggs was reduced
14% by a small dose (0.001 μg) of synthetic juvenile hormone applied...
Proceedings of the 76th Annual Western Orchard Pest and Disease Management Conference, held January 9-11, 2002 at the Imperial Hotel in Portland, Oregon.
Developmental thresholds and thermal unit (degree
day) requirements for eggs, different larval instars,
pupal stage and preoviposition period were determined
for the obliquebanded leafroller (OBLR), Choristoneura
rosaceana (Harris). Separate thresholds and degree day
requirements were determined for males and females, but
differences between the sexes were not significant.
However, there...