Squash Bug on Zucchini: Signs & Control

Squash Bug is a common pest of zucchini. Here's how to spot the damage and stop it organically-first.

Signs to look for on Zucchini

Brown-gray bugs; copper egg clusters under leaves; leaves wilt and blacken.

How to control it (organic-first)

Hand-pick bugs and eggs; trap boards overnight; diatomaceous earth at stem base.

More on Squash Bug: Brown shield-shaped bugs; wilting vines; bronze leaf edges. Prevention: Rotate cucurbits; plant early bush varieties; clean debris.

Squash Bug on other plants

ZoneFig pest guidance reflects common extension-service recommendations. Always confirm the pest before treating and follow any product label. Verify locally.

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