Japanese Maple Sawfly vs Hawaiian Assimulans Yellow-faced Bee

Side-by-side species comparison

Attribute Japanese Maple Sawfly Hawaiian Assimulans Yellow-faced Bee
Scientific Name Megalodontes cephalotes Hylaeus assimulans
Order Hymenoptera Hymenoptera
Family Pamphiliidae Colletidae
Size 12-18 mm 6-8 mm
Habitat Meadows Beaches & Coastal
Diet Herbivores Nectar Feeders
Regions Southern and Central Europe Oceania (Hawaii)
Conservation Least Concern Endangered

Japanese Maple Sawfly

A colorful web-spinning sawfly with a large head, bright orange body, and distinctive long antennae. It is associated with umbelliferous plants in southern Europe.

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Did You Know?

Despite its common association with umbellifers, this species belongs to a family mostly known for conifer and broadleaf tree feeders.

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.