Harlequin Cockroach vs Giant Net-Winged Midge

Side-by-side species comparison

Attribute Harlequin Cockroach Giant Net-Winged Midge
Scientific Name Neostylopyga rhombifolia Bibiocephala grandis
Order Blattodea Diptera
Family Blattidae Blephariceridae
Size 25-30 mm 10-15 mm
Habitat Underground Mountains
Diet Omnivores Omnivores
Regions Southeast Asia, Hawaii, Mexico North America
Conservation Least Concern Least Concern

Harlequin Cockroach

A strikingly patterned cockroach with dark brown and yellow markings on its body. It is a peridomestic species found in tropical Asia and has spread to warm urban areas.

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Did You Know?

Its bold geometric color pattern makes it one of the most visually distinctive household cockroach species.

Giant Net-Winged Midge

The largest net-winged midge in North America, found in powerful western mountain torrents. Larvae have six robust suction discs for gripping wet rock.

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Did You Know?

At up to 15 mm, it is a giant among net-winged midges, most of which are under 8 mm.