Author: Tom Bilbo

This is the cocoon of a parasitic wasp (Microplitis plutellae) that attacks and kills diamondback moth larvae. This wasp will lay an egg inside the caterpillar, where the wasp larva feeds before...

This Napa cabbage is being fed on by larvae of both the yellow margined leaf beetle (YMLB, Microtheca ochroloma) and vegetable weevil (Listroderes difficilis). YMLB can be a significant pest for...

The stippling effect seen on the upper surface of this strawberry leaf is caused by two-spotted spider mite feeding damage. When the mites pierce the epidermis of the leaf to extract the sap, the...

The light-colored tissue we see here is the result of squash beetle behavior known as “trenching.” Trenching cuts off (at least temporarily) the translocation of cucurbitacin defense compounds to...