Emerald Swallowtail vs Blackburnia Hawaiian Ground Beetle

Side-by-side species comparison

Attribute Emerald Swallowtail Blackburnia Hawaiian Ground Beetle
Scientific Name Papilio palinurus Blackburnia hawaiiensis
Order Lepidoptera Coleoptera
Family Papilionidae Carabidae
Size 80-100 mm wingspan 12-18 mm
Habitat Forests Forests
Diet Nectar Feeders Detritivores
Regions South America (Colombia, Ecuador, Peru) Oceania (Hawaii - Big Island)
Conservation Least Concern Vulnerable

Emerald Swallowtail

A stunning swallowtail butterfly with broad bands of emerald green on black wings. The green color is produced by yellow and blue structural layers overlapping. It has graceful spatulate tails on the hindwings.

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Did You Know?

The emerald green color is actually an optical illusion created by alternating layers of yellow and blue on the wing scales.

Blackburnia Hawaiian Ground Beetle

An endemic Hawaiian ground beetle found in montane forests on the Big Island of Hawaii. It is a nocturnal predator that hunts among leaf litter and under bark. The genus Blackburnia is endemic to Hawaii and represents one of the most spectacular insect radiations in the islands.

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Did You Know?

The genus Blackburnia has diversified into over 130 species across the Hawaiian Islands, all evolved from a single colonizing ancestor.