Four-toothed Mason Wasp vs Peach Slug Sawfly

Side-by-side species comparison

Attribute Four-toothed Mason Wasp Peach Slug Sawfly
Scientific Name Monobia quadridens Caliroa annulipes
Order Hymenoptera Hymenoptera
Family Vespidae Tenthredinidae
Size 16-19 mm 4-6 mm
Habitat Woodlands Orchards
Diet Nectar Feeders Fruit Feeders
Regions Eastern North America Europe
Conservation Least Concern Least Concern

Four-toothed Mason Wasp

A solitary black and white mason wasp that nests in hollow stems and old carpenter bee tunnels. It provisions cells with paralyzed moth caterpillars.

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Did You Know?

It divides its nest tunnel into multiple cells using mud partitions, each containing one egg.

Peach Slug Sawfly

A small, shiny black sawfly whose slug-like larvae feed on the upper leaf surface of various fruit trees, including peach, cherry, and hawthorn.

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Did You Know?

Unlike the closely related pear slug, this species feeds primarily from the upper leaf surface rather than the lower surface.