South American Cuckoo Bee vs Swallow Louse Fly

Side-by-side species comparison

Attribute South American Cuckoo Bee Swallow Louse Fly
Scientific Name Exaerete frontalis Ornithomya avicularia
Order Hymenoptera Diptera
Family Apidae Hippoboscidae
Size 22-28 mm 5-7 mm
Habitat Woodlands Woodlands
Diet Parasites Blood Feeders
Regions Brazil, Peru, Ecuador, Colombia, Central America Europe, Asia
Conservation Not Evaluated Least Concern

South American Cuckoo Bee

A large metallic blue-green cleptoparasitic orchid bee that lays its eggs in the nests of other orchid bees. Its mandibles are strong enough to break into sealed brood cells.

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Did You Know?

Its larvae first consume the host's food stores, then devour the host bee larva itself before pupating in the stolen nest cell.

Swallow Louse Fly

A flattened, brownish winged louse fly that parasitizes a wide range of bird species. It moves rapidly through feathers using its laterally compressed body and strong tarsal claws.

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Did You Know?

It can parasitize over 30 different bird species, making it one of the most host-generalist hippoboscid flies.