Pecan Weevils (Central Texas)

Pecan harvest is under way and I was recently contacted by a colleague who handles all things pecan. Pecan weevil has not been recorded before from Travis County (and several other counties...see map below), so we're asking you to be our eyes in the field. If you suspect pecan weevil, please contact me.
Look for BB size exit holes in pecans.

Pecan weevil adults are brownish beetles about 3/8 of an inch long with long snouts. Larvae (grubs) are creamy-white with a brownish head capsule.

Adult weevils become active in late August- early September. Both adult male and female weevils can damage nuts by feeding on or laying eggs (females) on pecans.

After mating, females chew a hole in a pecan shell and deposit their eggs inside. Larvae feed and develop inside the pecan shell. Full grown larvae then chew out of the shell and drop to the ground to create a cell in the soil. Full grown larvae and adults spend the winter in the soil about 4-12 inches deep.

For more information on pecan weevil biology, please see the Texas AgriLife Extension Service publication.

Again, if you live in a county on the map above that is not red (without pecan weevils being confirmed) and you suspect that you may have them, please contact me. I would need to come out and collect suspected damaged pecans and record the GPS coordinates. Images are from Bill Ree- thanks Bill!