HOME ABOUT INSTRUCTIONS/HELP GLOSSARY REFERENCES/SOURCES
BROWSING OPTIONS: Gall Names Gall Appearance Type of Tree Compare Galls

Gallmaker:
Hormaphis hamamelidis
Tree type:
Quercus alba
Photo: "Witch-hazel cone gall" of the Hormaphis hamamelidis.

Gall maker: Hormaphis hamamelidis, an aphid (Order Homoptera, Family Aphididae)

Shape and Size: Conical structure, roughly 1.3 cm in length.

Location: Top-side of witch-hazel (Hamamelis virginiana) leaves, summer.

Color: Green or reddish-brown.

Click for Full Size Image
Source: Felt, P. E. Plant Galls and Gall Makers.
Jodhpur, India: Agrobios, 2001.
p 245