Rugose Carrion Beetle vs European Spruce Sawfly

Side-by-side species comparison

Attribute Rugose Carrion Beetle European Spruce Sawfly
Scientific Name Thanatophilus rugosus Gilpinia hercyniae
Order Coleoptera Hymenoptera
Family Silphidae Diprionidae
Size 9-12 mm 7-10 mm
Habitat Farmland Farmland
Diet Carrion Feeders Omnivores
Regions Europe, Northern Asia, North America Europe, introduced to North America
Conservation Least Concern Least Concern

Rugose Carrion Beetle

A small, dark silphid with heavily textured, rugose wing cases. It frequents sun-exposed carrion in open landscapes.

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Did You Know?

Females lay eggs on carcasses already infested with fly larvae, and their own larvae then feed on the maggots.

European Spruce Sawfly

A moderately sized sawfly with dark brown to black coloring and pectinate antennae in males. Larvae are green with white lateral stripes and feed on spruce needles.

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Did You Know?

After its introduction to North America in the 1920s, it caused massive spruce defoliation until a naturally occurring nuclear polyhedrosis virus brought populations under control.