Oak Slug Sawfly vs Gray's Thorny Stick Insect

Side-by-side species comparison

Attribute Oak Slug Sawfly Gray's Thorny Stick Insect
Scientific Name Caliroa quercuscoccineae Haaniella grayii
Order Hymenoptera Phasmatodea
Family Tenthredinidae Heteropterygidae
Size 4-5 mm (adult) 8-12 cm
Habitat Woodlands Forests
Diet Herbivores Herbivores
Regions North America Malaysia (Borneo), Brunei
Conservation Not Evaluated Least Concern

Oak Slug Sawfly

A slug-like sawfly larva that skeletonizes oak leaves in North America. Severe infestations cause browning of the canopy by midsummer.

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Did You Know?

The slimy larval coating deters most predators except for a few specialized parasitoid wasps.

Gray's Thorny Stick Insect

A large thorny stick insect named after the zoologist John Edward Gray. It inhabits the dense rainforests of Borneo.

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Did You Know?

Borneo is the center of Heteropterygidae diversity, with more species than any other region.