Giant Net-Winged Midge vs Mealybug Destroyer

Side-by-side species comparison

Attribute Giant Net-Winged Midge Mealybug Destroyer
Scientific Name Bibiocephala grandis Cryptolaemus montrouzieri
Order Diptera Coleoptera
Family Blephariceridae Coccinellidae
Size 10-15 mm 3-4 mm
Habitat Mountains Underground
Diet Omnivores Omnivores
Regions North America Australia, Worldwide (introduced)
Conservation Least Concern Least Concern

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.

Mealybug Destroyer

A dark-colored Australian ladybird with an orange head, widely used as a biocontrol agent. Its larvae are covered in white waxy filaments that mimic their mealybug prey.

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Did You Know?

Larvae are often mistaken for the very mealybugs they are consuming due to their waxy white coating.