Sonoran Silk Moth vs European Spruce Sawfly

Side-by-side species comparison

Attribute Sonoran Silk Moth European Spruce Sawfly
Scientific Name Sphingicampa hubbardi Gilpinia hercyniae
Order Lepidoptera Hymenoptera
Family Saturniidae Diprionidae
Size 50-70 mm wingspan 7-10 mm
Habitat Deserts & Drylands Farmland
Diet Omnivores Omnivores
Regions Arizona, Sonoran Desert of Mexico Europe, introduced to North America
Conservation Least Concern Least Concern

Sonoran Silk Moth

A small saturniid moth with warm pinkish-tan wings and minimal patterning. It is adapted to the harsh desert environment of the American Southwest.

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Did You Know?

Its cocoon is spun loosely among leaf litter and is uniquely adapted to survive extreme desert heat.

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.