Golden Spiny Ant vs Lunate Ichneumon

Side-by-side species comparison

Attribute Golden Spiny Ant Lunate Ichneumon
Scientific Name Polyrhachis ammon Megarhyssa greenei
Order Hymenoptera Hymenoptera
Family Formicidae Ichneumonidae
Size 5-7 mm 25-40 mm body, ovipositor up to 80 mm
Habitat Woodlands Woodlands
Diet Nectar Feeders Parasitoids
Regions Australia North America
Conservation Least Concern Least Concern

Golden Spiny Ant

A striking Australian spiny ant with golden pubescence covering a black body. Workers have prominent paired petiolar spines. Colonies nest in soil mounds or under bark and are common in Australian eucalypt woodlands.

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Did You Know?

Their golden body hairs reflect sunlight and may help with thermoregulation in the hot Australian sun.

Lunate Ichneumon

A reddish-brown parasitoid wasp native to North America. It targets horntail larvae in hardwood trees and uses its long ovipositor to reach them.

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Did You Know?

It is the smallest of the three North American Megarhyssa species but still impressively large.