Georgiaphis ulmi

Family: Aphididae | Genus: Georgiaphis
Detachable: integral
Color: red, yellow
Texture:
Abundance:
Shape: spindle
Season: Summer, Spring
Related:
Alignment:
Walls:
Location: leaf edge
Form: leaf edge roll
Cells:
Possible Range:i
Common Name(s):
Synonymy:
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image of Georgiaphis ulmi
image of Georgiaphis ulmi
image of Georgiaphis ulmi
image of Georgiaphis ulmi
image of Georgiaphis ulmi
image of Georgiaphis ulmi

Aphids on the world's plants

Georgiaphis ulmi (Wilson)

Gall is formed by curling one edge of the elm leaf into a spindle shape, 2-5 cm long. Galled leaves turn yellow, then red, then drop off (Wilson 1911). Fundatrix reddish-brown. Monoecious holocyclic, and apparently specific to Ulmus alata. Alate sexuparae, reddish brown with black head and thorax, are produced in second generation (Wilson 1911), leaving galls in May-June. In eastern North America.

- Roger Blackman, Victor Eastop: (2013) Aphids on the world's plants©

Reference: http://www.aphidsonworldsplants.info/d_APHIDS_G.htm#Georgiaphis


Further Information:
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