White Grubs and Billbugs Flashcards
Name that Raster
European Chafer
Name that Raster
Japanese Beetle
Name that Raster
Masked Chafer
Name that Raster
Oriental Beetle
Name that Raster
Asiatic Garden Beetle
Name that Raster
Green June Beetle
Name that Raster
May/June Beetle
Billbigs are in the order Coleopter and the family _______.
Curculionidea
Billbigs lay how many eggs and at what rate?
200 at a rate of 2-5 per day
How can different species of billbigs be identified from eachother?
rows of pits on the thorax and elytra
Billbig larvae and white grubs are both legless.
True or False?
False
Billbug larvae have no legs while white grubs do have legs
What life stage do Billbugs overwinter?
As Adults
What do the young billbug larvae feed on? What do they leave behind?
they feed on stems as they tunnel through them, leaving behind sawdust-like frass.
When is an insecticide treatment effective against overwintering adults?
when applied within the first 3 weeks after the adults become active….before egg laying begins.
All KBG varieties areresistant to billbugs.
True or False?
False.
Some are and some are not
An insecticide treatment will not be effective after _____ GDD’s when targeting adult billbugs.
560-620
What is a good Biocontrol option for Billbugs?
Entomopathogenic Nematodes
How long does it take for Billbigs to Pupate?
8-10 days
What is this?
Japanese Beetle
What is this?
Oriental Beetle
What is this?
Asiatic Garden Beetle
What is this?
Green June Beetle
