Sumac Gall Aphid vs House Longhorn Beetle

Side-by-side species comparison

Attribute Sumac Gall Aphid House Longhorn Beetle
Scientific Name Melaphis rhois Hylotrupes bajulus
Order Hemiptera Coleoptera
Family Pemphigidae Cerambycidae
Size 1-3 mm 8–25 mm
Habitat Woodlands Woodlands
Diet Gall Makers Wood Feeders
Regions Eastern North America Europe, North America, South Africa, Australia
Conservation Not Evaluated Not Evaluated

Sumac Gall Aphid

A gall-forming aphid that produces large hollow galls on sumac trees in which colonies live and reproduce. Soldier nymphs defend the gall from invaders using their thickened front legs.

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Did You Know?

Their soldier caste is composed of sterile first-instar nymphs that sacrifice their development to protect the colony.

House Longhorn Beetle

A serious structural pest of softwood timber in buildings worldwide. Larvae can feed inside roof timbers for up to ten years before emerging.

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Did You Know?

Larvae can be heard chewing inside timber, making rasping sounds that are audible through walls.