Small Minnow Mayfly vs Blue-Winged Wasteland Beetle

Side-by-side species comparison

Attribute Small Minnow Mayfly Blue-Winged Wasteland Beetle
Scientific Name Callibaetis ferrugineus Omocrates marginatus
Order Ephemeroptera Coleoptera
Family Baetidae Tenebrionidae
Size 7-11 mm 18-25 mm
Habitat Ponds & Lakes Deserts & Drylands
Diet Detritivores Detritivores
Regions North America Australia
Conservation Least Concern Not Evaluated

Small Minnow Mayfly

A mottled brown mayfly common in still waters across North America. Nymphs are excellent swimmers that mimic small minnows.

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Did You Know?

It can produce up to three generations per year in warm climates.

Blue-Winged Wasteland Beetle

A robust, flightless darkling beetle found in arid Australian landscapes. It is nocturnal and shelters under rocks during the day.

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Did You Know?

Like many Australian darkling beetles, it has fused elytra forming a sealed dome over its abdomen.