Palos Verdes Blue vs Gum-Tree Pergid Sawfly

Side-by-side species comparison

Attribute Palos Verdes Blue Gum-Tree Pergid Sawfly
Scientific Name Glaucopsyche lygdamus palosverdesensis Perga polita
Order Lepidoptera Hymenoptera
Family Lycaenidae Pergidae
Size 2-3 cm wingspan 14-20 mm
Habitat Beaches & Coastal Woodlands
Diet Herbivores Herbivores
Regions United States Southeastern Australia
Conservation Critically Endangered Least Concern

Palos Verdes Blue

A tiny blue butterfly endemic to the Palos Verdes Peninsula in Los Angeles County. It was thought extinct in 1983 before being rediscovered in 1994.

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Did You Know?

It is considered one of the rarest butterflies in the world, with captive breeding programs helping sustain the population.

Gum-Tree Pergid Sawfly

A robust Australian sawfly with a dark, polished body. Its gregarious larvae cluster on eucalyptus branches and produce a strong eucalyptus odor when disturbed.

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Did You Know?

The powerful eucalyptus-oil smell released by disturbed larvae can be detected from several meters away and serves as a chemical defense.