House Fly Pupal Parasitoid vs Broad-Horned Onitis

Side-by-side species comparison

Attribute House Fly Pupal Parasitoid Broad-Horned Onitis
Scientific Name Muscidifurax raptor Onitis caffer
Order Hymenoptera Coleoptera
Family Pteromalidae Scarabaeidae
Size 1-2 mm 16-26 mm
Habitat Farmland Farmland
Diet Parasitoids Dung Feeders
Regions North America, Europe Southern Africa
Conservation Least Concern Least Concern

House Fly Pupal Parasitoid

A minute parasitoid wasp that develops inside house fly and stable fly pupae. It is sold commercially for biological fly management.

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Did You Know?

Each female destroys about 50 fly pupae in her lifetime through a combination of parasitism and host-feeding.

Broad-Horned Onitis

A large, dark brown to black tunneler with massive forelegs in males. The prothorax is greatly enlarged. It digs deep vertical shafts beneath cattle dung and is primarily nocturnal. Males use their forelegs in combat.

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Did You Know?

The enormous forelegs of the male serve double duty, used both for digging and for grappling with rival males.