Common Sawfliessee also PI

Family Tenthredinidae

Identification: Antennae threadlike, usually 9-segmented, the segments similar. FW with 1 or 2 marginal cells, and without an intercostal vein.

This is the largest family of sawflies, with about 800 N. American species; it contains most of the species the general collector will encounter. These sawflies are 5-20 mm.; some are black, some brownish, and some are brightly patterned. They are usually found on flowers or vegetation. Larvae of most species are external feeders on foliage; a few are leaf miners and a few are gall makers. Some members of this group cause considerable damage to cultivated plants and forest trees.

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