Hawaiian Assimulans Yellow-faced Bee vs High-altitude Hover Fly

Side-by-side species comparison

Attribute Hawaiian Assimulans Yellow-faced Bee High-altitude Hover Fly
Scientific Name Hylaeus assimulans Platycheirus alpinus
Order Hymenoptera Diptera
Family Colletidae Syrphidae
Size 6-8 mm 6-9 mm body length
Habitat Beaches & Coastal Meadows
Diet Nectar Feeders Nectar Feeders
Regions Oceania (Hawaii) Northern Europe, Alps, Arctic
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.

High-altitude Hover Fly

A small hover fly with flattened front legs, found in alpine and arctic habitats. It is an important pollinator of mountain wildflowers.

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Did You Know?

Its flattened front tarsi are thought to help scrape pollen from flowers.