Elm Zigzag Sawfly vs Brachymeria Chalcid

Side-by-side species comparison

Attribute Elm Zigzag Sawfly Brachymeria Chalcid
Scientific Name Aproceros leucopoda Brachymeria intermedia
Order Hymenoptera Hymenoptera
Family Argidae Chalcididae
Size 5-7 mm 3-5 mm
Habitat Woodlands Woodlands
Diet Herbivores Parasitoids
Regions East Asia, invasive in Europe North America, Europe, Asia
Conservation Least Concern Not Evaluated

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.

Brachymeria Chalcid

A stocky black chalcid wasp that is a hyperparasitoid, attacking other parasitoid wasps inside their hosts. It has become a significant pupal parasitoid of the gypsy moth.

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Did You Know?

It is a parasitoid that parasitizes other parasitoids, making it a hyperparasitoid with a complex trophic role.