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