squash bug - Knowledgebase Question

Buford, Ge
Question by pattygolden
June 30, 2010
Is there an organic control for squash bug?

Answer from NGA
June 30, 2010


Not really. However, natural enemies of the squash bug include Tachinid fly, Trishopoda pennipes and Sceleonids, Eumicrosoma spp. These biological control options may prove useful if you can fine them. Also, Sabadilla may provide some control and is organic certified, but it is not sure fire. Your best bet is vigilence and controlling populations by finding their masses of yellow to reddish-brown eggs on the underside of leaves and squashing them. The adult bugs like to hide in leaf litter or under boards, stones, etc. at night. Since they overwinter under garden debris, and there is only one generation per year, it is possible to reduce their population with diligence early in the season. You can place boards or similar around plants, then go out early in the morning to kill any bugs hiding underneath. Pull mulch away from the base of plants too, to eliminate hiding places. Row covers can exclude the insects, if placed on plants early in the season. You'll need to hand-pollinate flowers, however. Rotate crops every planting season and clean up plant debris, where the bugs can overwinter. Good luck!

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