Cooley Spruce Gall Adelgid vs Italian Acerentomid

Side-by-side species comparison

Attribute Cooley Spruce Gall Adelgid Italian Acerentomid
Scientific Name Adelges cooleyi Acerentomon italicum
Order Hemiptera Protura
Family Adelgidae Acerentomidae
Size 0.5-1 mm 0.7-1.2 mm
Habitat Forests Forests
Diet Gall Makers Omnivores
Regions North America, Europe Europe
Conservation Not Evaluated Not Evaluated

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.

Italian Acerentomid

A small proturan originally described from Italian soils. It is typical of Mediterranean forest floor environments.

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Did You Know?

Like all proturans, this species was completely unknown to science until Filippo Silvestri first described the order in 1907.