Editors: W.T. Wilsey, C.R. Weeden and A.M. Shelton

Corn Sap Beetle
(Carpophilus dimiliatus) - Life Cycle

Click for image of

larvae

by

University of Illinois

 Adults:
Corn sap beetle adults are about 1/8 inch (3 mm) long and half as wide. The sap beetle varies from black with a reddish tinge, to brownish yellow. Wing covers have an orange spot and do not extend over the entire abdomen. Adults are easily disturbed and have the ability to jump quickly, often traveling considerable distances.

Click for image of

adult

by

University of Nebraska Lincoln
  Eggs:
The white slender eggs are laid on the host plant. The eggs will hatch in about 2 days. 		 
Larvae:
The larvae are small, slender white worms with brown heads and posterior ends that feed primarily on kernels of the ear. Larvae seldom cause serious damage. 1/4 inch (6 mm ) 		 
  Pupae:
The larvae transform to pupae in the soil near the base of the plants on which they have been feeding. 		 

Damage inflicted by corn sap beetle to corn

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Maintained by Jason D. Plate. Last updated Mar. 8th, 2007.