Thistledown Velvet Ant vs Iron Cross Blister Beetle

Side-by-side species comparison

Attribute Thistledown Velvet Ant Iron Cross Blister Beetle
Scientific Name Dasymutilla gloriosa Tegrodera aloga
Order Hymenoptera Coleoptera
Family Mutillidae Meloidae
Size 12-20 mm 15-25 mm
Habitat Deserts & Drylands Deserts & Drylands
Diet Nectar Feeders Omnivores
Regions Southwestern United States from California to Texas Southwestern United States, Mexico
Conservation Least Concern Not Evaluated

Thistledown Velvet Ant

A strikingly beautiful velvet ant covered in long white hair that resembles a piece of thistledown blowing across desert sand. The wingless females are a remarkable mimic of windblown plant material.

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Did You Know?

Its white fluffy appearance camouflages it among the creosote seed pods and dried plant debris of its desert habitat.

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.