Iron Cross Blister Beetle vs Broad-Shouldered Water Strider

Side-by-side species comparison

Attribute Iron Cross Blister Beetle Broad-Shouldered Water Strider
Scientific Name Tegrodera aloga Microvelia americana
Order Coleoptera Hemiptera
Family Meloidae Veliidae
Size 15-25 mm 1.5-2.5 mm
Habitat Deserts & Drylands Ponds & Lakes
Diet Omnivores Omnivores
Regions Southwestern United States, Mexico North America, Central America, South America
Conservation Not Evaluated Least Concern

Iron Cross Blister Beetle

A striking beetle with bright yellow and black cross-shaped markings on its elytra. It contains cantharidin, a potent blistering agent.

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Did You Know?

Swarms occasionally emerge in massive numbers after favorable spring rains in the desert.

Broad-Shouldered Water Strider

A tiny water strider relative that walks on the surface of ponds and puddles. It is widespread across the Americas on still freshwater.

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Did You Know?

At barely 2 mm long, it is so small that it can walk on water trapped in a single hoofprint.