Hawaiian Assimulans Yellow-faced Bee vs Pale Arctic Clouded Yellow

Side-by-side species comparison

Attribute Hawaiian Assimulans Yellow-faced Bee Pale Arctic Clouded Yellow
Scientific Name Hylaeus assimulans Colias werdandi
Order Hymenoptera Lepidoptera
Family Colletidae Pieridae
Size 6-8 mm 38-46 mm wingspan
Habitat Beaches & Coastal Mountains
Diet Nectar Feeders Nectar Feeders
Regions Oceania (Hawaii) Northern Scandinavia, Finnish Lapland, Kola Peninsula
Conservation Endangered Least Concern

Hawaiian Assimulans Yellow-faced Bee

A rare endemic bee from the Hawaiian Islands, once found on several islands but now severely reduced in range. It nests in the stems of native plants and abandoned beetle holes. Habitat loss and invasive species have drastically reduced its populations.

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Did You Know?

This bee is one of seven Hawaiian yellow-faced bee species federally listed as endangered, highlighting the perilous state of Hawaiian native pollinators.

Pale Arctic Clouded Yellow

A pale greenish-yellow butterfly with very faint dark wing borders. It is closely associated with Scandinavian mountain habitats. The underside is pale with a small orange-ringed discal spot.

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Did You Know?

This butterfly is endemic to the Scandinavian mountains and is not found anywhere else in the world.