Cabbage seedpod weevil (Ceutorhynchus
obstrictus)
The insect damages developing seed pods,
reducing yield and providing entry for fungal
pathogens. Adults are 1/6 inch long grayish
weevils with a pronounced snout. Larvae are
small white grubs that feed on developing seeds.
One to two eggs are laid on the pods. These hatch
within a week and the larvae tunnel into the pods.
Larval development takes about 6 weeks. Adults
feed on pollen and overwinter in leaf litter,
ditches, etc. Populations may be reduced by
colder winters with little snow cover.