Bot Fly vs Downes' Green Lacewing

Side-by-side species comparison

Attribute Bot Fly Downes' Green Lacewing
Scientific Name Dermatobia hominis Chrysoperla downesi
Order Diptera Neuroptera
Family Oestridae Chrysopidae
Size 12-18 mm 12-18 mm wingspan
Habitat Forests Forests
Diet Parasites Predators
Regions Central America, South America North America
Conservation Least Concern Least Concern

Bot Fly

Parasitic fly whose larvae develop under the skin of mammals including humans. Female captures a mosquito and glues eggs to it — when the mosquito bites, body heat triggers egg hatching.

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Did You Know?

The human bot fly is so devious it hijacks mosquitoes — it catches them, glues eggs to their bodies, then the eggs hatch when the mosquito lands on warm skin.

Downes' Green Lacewing

A conifer-associated green lacewing that retains its green color through winter. Unlike relatives, it does not turn brown in cold months.

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Did You Know?

It stays green year-round, while most related species change to brown or tan in winter.