Yellow-legged Ophion vs Australian Cockroach

Side-by-side species comparison

Attribute Yellow-legged Ophion Australian Cockroach
Scientific Name Ophion scutellaris Periplaneta australasiae
Order Hymenoptera Blattodea
Family Ichneumonidae Blattidae
Size 15-20 mm 23-35 mm
Habitat Underground Underground
Diet Parasitoids Detritivores
Regions Europe Oceania, Asia, Africa, South America
Conservation Least Concern Least Concern

Yellow-legged Ophion

A large orange-brown ichneumon wasp commonly attracted to light at night. Parasitizes large moth caterpillars. Has a laterally compressed, blade-like abdomen.

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Did You Know?

One of the most commonly reported ichneumon wasps in houses, drawn to lights on summer evenings.

Australian Cockroach

A large tropical cockroach similar to the American cockroach but with distinctive yellow markings on the pronotum and wing edges. It is a strong flier.

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Did You Know?

Despite its name, the Australian cockroach is believed to have originated in tropical Africa and spread worldwide through maritime trade.