Hawaiian Assimulans Yellow-faced Bee vs Pear Fruit Sawfly

Side-by-side species comparison

Attribute Hawaiian Assimulans Yellow-faced Bee Pear Fruit Sawfly
Scientific Name Hylaeus assimulans Hoplocampa brevis
Order Hymenoptera Hymenoptera
Family Colletidae Tenthredinidae
Size 6-8 mm 4-6 mm
Habitat Beaches & Coastal Orchards
Diet Nectar Feeders Fruit Feeders
Regions Oceania (Hawaii) Europe
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.

Pear Fruit Sawfly

A small, dark sawfly that is a pest of pear orchards. Larvae bore into developing pear fruitlets, causing premature fruit drop.

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Did You Know?

Infested young pears often show a distinctive entry hole with wet frass, and a single larva may damage two to three fruits before completing development.