Tag: squash beetle
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Question of the Week – Squash Beetles
This week, the question was: What is this critter that was found on the underside of a cucumber leaf? This spiky looking thing is a squash beetle larva. This is one of two species in the lady beetle family that feed on vegetable crops. The other is the Mexican bean beetle. Squash beetle adults look…
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Question of the Week – Squash Beetle Trenching
This week, the question was: Why is a portion of this squash leaf discolored? 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 preserve the palatability and quality of the squash foliage feeding site. The beetles…
The South Carolina Grower 