Lesser Grain Borer
Lesser Grain Borer
Rhyzopertha dominica (F)
2-3 mm, 1/8 inch long
Develops inside grain kernels. Needs temperature of above 73 degrees F.
IT DOES FLY.
Infested grain has a urine like odor, thorax protects head. Last three segments of
antennae form a loose club.
Life Cycle 25 days at 34 degrees Celsius.
Maximum population growth rater per month: 20 times