Long-tailed Giant Ichneumon vs Aphytis Wasp

Side-by-side species comparison

Attribute Long-tailed Giant Ichneumon Aphytis Wasp
Scientific Name Megarhyssa atrata Aphytis melinus
Order Hymenoptera Hymenoptera
Family Ichneumonidae Aphelinidae
Size 30-50 mm body, ovipositor up to 130 mm 0.8-1.2 mm
Habitat Woodlands Orchards
Diet Wood Feeders Parasitoids
Regions North America Worldwide citrus-growing regions
Conservation Least Concern Not Evaluated

Long-tailed Giant Ichneumon

A large dark-bodied ichneumonid wasp found in eastern North America. Females bore through bark to parasitize pigeon tremex horntail larvae.

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Did You Know?

Multiple females often congregate on the same dead tree, drilling simultaneously for hosts.

Aphytis Wasp

A tiny golden-yellow parasitoid wasp that is the primary biocontrol agent of California red scale on citrus. It lays eggs beneath the scale cover where its larva feeds externally on the host.

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Did You Know?

California produces over one billion of these wasps per year for release in citrus orchards.