Hanging Thief Robber Fly vs Sand Gnat

Side-by-side species comparison

Attribute Hanging Thief Robber Fly Sand Gnat
Scientific Name Diogmites platypterus Culicoides furens
Order Diptera Diptera
Family Asilidae Ceratopogonidae
Size 15-22 mm 1-2.5 mm
Habitat Farmland Wetlands
Diet Herbivores Blood Feeders
Regions North America Coastal Americas from the southeastern United States to Brazil
Conservation Least Concern Least Concern

Hanging Thief Robber Fly

A slender, elongate robber fly that hangs from vegetation by its front legs while feeding. It has long dangling legs and a distinctive hunting posture unlike most other asilids.

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Did You Know?

It earns its name by dangling from a single leg while consuming prey, freeing the other legs for handling food.

Sand Gnat

A very small biting midge commonly known as a no-see-um due to its near-invisible size. Despite being barely visible, its bite is intensely painful and causes persistent itching.

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Did You Know?

It is so small it can pass through standard window screens, earning the nickname no-see-um.