Malagasy Paper Wasp vs Elm Zigzag Sawfly

Side-by-side species comparison

Attribute Malagasy Paper Wasp Elm Zigzag Sawfly
Scientific Name Polistes olivaceus Aproceros leucopoda
Order Hymenoptera Hymenoptera
Family Vespidae Argidae
Size 15-20 mm 5-7 mm
Habitat Underground Woodlands
Diet Herbivores Herbivores
Regions Madagascar East Asia, invasive in Europe
Conservation Least Concern Least Concern

Malagasy Paper Wasp

A slender wasp with an olive-brown body, long dangling legs, and narrow waist. It builds small, exposed paper nests from chewed plant fibers on the underside of leaves and eaves.

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Did You Know?

Females establish dominance hierarchies on the nest, with the queen maintaining her rank through aggressive posturing and antenna drumming.

Elm Zigzag Sawfly

A small, pale green sawfly of East Asian origin that has become invasive in Europe. Larvae create distinctive zigzag feeding patterns on elm leaves.

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Did You Know?

This species reproduces entirely by parthenogenesis in its invasive range; males have never been found in Europe.