Western Cicada Killer vs Balsam Fir Sawfly

Side-by-side species comparison

Attribute Western Cicada Killer Balsam Fir Sawfly
Scientific Name Sphecius grandis Neodiprion abietis
Order Hymenoptera Hymenoptera
Family Crabronidae Diprionidae
Size 30-55 mm 6-8 mm
Habitat Deserts & Drylands Forests
Diet Predators Omnivores
Regions Western United States from the Great Plains to the Pacific coast Eastern North America
Conservation Least Concern Least Concern

Western Cicada Killer

A massive solitary wasp of the American West that hunts cicadas to provision its underground burrows. It is slightly larger and paler than its eastern relative.

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Did You Know?

Despite its intimidating size, it is generally docile toward humans and males cannot sting at all.

Balsam Fir Sawfly

A boreal sawfly whose dark green larvae with lighter stripes feed on balsam fir needles. Periodic outbreaks can cause significant defoliation in fir forests.

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Did You Know?

Outbreaks of this species often follow those of the spruce budworm, as the already stressed trees are more susceptible to additional defoliation.