Moving North: Fall Armyworm

The fall armyworm, a southern insect pest,  is a potential problem during late summer in the northern United States.    The fall armyworm is a tropical pest that has a restricted overwintering area that reaches from south Florida along the gulf coast to southern Texas.  The fall armyworm is a persistent pest in the southern United States while in the northern United States its considered a sporadic pest.  In the northern United States one generation occurs, usually at this time. When fully grown the army worm is about 1.5 inches long.   It ranges in color from olive green to light tan, to nearly black, typically with light stripes that run the length of the body. An inverted "Y" is present on the front of the head of the caterpillar.

 

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