American Needlefly vs Fog Basking Beetle

Side-by-side species comparison

Attribute American Needlefly Fog Basking Beetle
Scientific Name Leuctra tenuis Onymacris unguicularis
Order Plecoptera Coleoptera
Family Leuctridae Tenebrionidae
Size 5-8 mm 18-25mm
Habitat Rivers & Streams Deserts & Drylands
Diet Detritivores Detritivores
Regions North America Africa
Conservation Least Concern Least Concern

American Needlefly

A delicate needle-thin stonefly of Appalachian headwater streams. Nymphs are important processors of autumn-shed leaf litter.

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Did You Know?

Multiple Leuctra species can coexist in the same stream by emerging at different times of year.

Fog Basking Beetle

A black desert beetle from the Namib that performs a distinctive headstand on sand dunes. Fog condenses on its body and trickles down to its mouth.

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Did You Know?

Engineers have studied its fog-basking behavior to design water-harvesting surfaces for arid regions.