Squash Beetle vs. Mexican Bean Beetle: Spot the Difference

Squash beetle: 7 spots per wing cover, larvae yellow. Mexican bean beetle: 8 spots per wing cover. Both devour squash, bean, pea leaves. Hand-pick or spray spinosad/parasitic wasps (expensive). Carbaryl also works.

squash beetle

squash beetle on squash

squash beetle larvae

squash beetle eggs