Pine Webspinning Sawfly vs Squash Bug

Side-by-side species comparison

Attribute Pine Webspinning Sawfly Squash Bug
Scientific Name Cephalcia arvensis Anasa tristis
Order Hymenoptera Hemiptera
Family Pamphiliidae Coreidae
Size 10-14 mm 14-18 mm
Habitat Farmland Farmland
Diet Omnivores Sap Feeders
Regions Central and Eastern Europe North America
Conservation Least Concern Least Concern

Pine Webspinning Sawfly

A flat-bodied sawfly with long antennae and dark coloring. Larvae live communally in silk webs spun among spruce needles.

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Did You Know?

Periodic outbreaks in spruce monocultures can last several years, with the silk nests becoming a conspicuous feature of infested forests.

Squash Bug

A flat, dark grayish-brown bug that is a major pest of squash and pumpkin plants. When crushed, it emits a distinctly unpleasant odor similar to stink bugs.

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Did You Know?

Squash bugs inject toxic saliva while feeding that causes a condition called anasa wilt, which can kill entire squash vines within days of a heavy infestation.