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...
