University of Missouri Extension

IPM1019, New February 2003

Caterpillars in Your Yard and Garden

Garden webworm

Snout and grass moths

Link to Caterpillars in Your Yard and Garden Garden webworm caterpillars (Achyra rantalis) are present from late spring to fall. They produce two to three generations per year.

Full-grown caterpillars are 0.5 to 0.75 inch long and have a yellow-brown head and a yellow-green to green body. The body is characterized by distinct black spots on each segment, six spots occurring on each abdominal segment, and a pale-green middorsal stripe. Host plants include a variety of vegetables, field crops, and weeds. Severely damaged plants are covered with silken webbing.

About the family

Snout and grass moths are in the Crambidae family.

 

Wild thing
 

IPM1019 Caterpillars in Your Yard and Garden | University of Missouri Extension

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