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Hormaphis cornu

Hormaphis cornu

Classification

Class
Insecta
Family
Aphididae

The witch-hazel cone gall aphid (Hormaphis hamamelidis) is a minuscule insect, a member of the aphid superfamily, whose presence on a witch-hazel (Hamamelis virginiana) plant is easily recognizable by a conical gall structure. The gall is green at first, then turns bright red. This gall, rich in nutrients, provides both food and shelter for the female aphid.

Distribution

(c) Even Dankowicz, some rights reserved (CC BY), uploaded by Even Dankowicz · CC-BY
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Countries in the Picchu catalog
United States of America · 1