Yellow-faced Horntail vs Giant Orange Ichneumon

Side-by-side species comparison

Attribute Yellow-faced Horntail Giant Orange Ichneumon
Scientific Name Sirex nitobei Netelia producta
Order Hymenoptera Hymenoptera
Family Siricidae Ichneumonidae
Size 15–30 mm 15-22 mm
Habitat Forests Woodlands
Diet Wood Feeders Parasitoids
Regions East Asia North America
Conservation Not Evaluated Least Concern

Yellow-faced Horntail

A large woodwasp native to East Asia that occasionally appears as an invasive species. Females bore into larch and pine to deposit eggs.

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Did You Know?

It carries the same damaging symbiotic fungus Amylostereum areolatum as its relative Sirex noctilio.

Giant Orange Ichneumon

A large, uniformly orange ichneumon wasp commonly attracted to lights. It parasitizes caterpillars of owlet moths and geometrid moths.

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Did You Know?

It is one of the most frequently encountered ichneumon wasps at porch lights across North America during summer.