Four-spotted Flat-face vs Cooley Spruce Gall Adelgid

Side-by-side species comparison

Attribute Four-spotted Flat-face Cooley Spruce Gall Adelgid
Scientific Name Anoplophora macularia Adelges cooleyi
Order Coleoptera Hemiptera
Family Cerambycidae Adelgidae
Size 22-35 mm 0.5-1 mm
Habitat Forests Forests
Diet Wood Feeders Gall Makers
Regions Central China (Sichuan, Hubei, Shaanxi) North America, Europe
Conservation Least Concern Not Evaluated

Four-spotted Flat-face

A glossy black longhorn with four large white spots on its elytra, found in montane forests of central China. It is less well known than the invasive A. glabripennis but occurs in similar habitats. Larvae develop in living maple and birch trees.

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Did You Know?

Unlike its notorious relative the Asian longhorn beetle, this species has never been found outside its native range.

Cooley Spruce Gall Adelgid

A gall-forming adelgid that alternates between spruce and Douglas-fir. Cone-shaped galls on spruce tips are its most recognizable sign.

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Did You Know?

The pineapple-shaped galls it forms on spruce tips are often mistaken for small cones.