Aposthonia Web Spinner vs Scarlet Robber Fly

Side-by-side species comparison

Attribute Aposthonia Web Spinner Scarlet Robber Fly
Scientific Name Aposthonia ceylonica Laphria flava
Order Embioptera Diptera
Family Oligotomidae Asilidae
Size 7.0-11.0 mm 15-25 mm
Habitat Woodlands Woodlands
Diet Gall Makers Predators
Regions Asia Europe, Northern Asia
Conservation Not Evaluated Least Concern

Aposthonia Web Spinner

A web spinner from Sri Lanka and southern India found under bark and stones. It lives in communal silk galleries with multiple females.

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Did You Know?

Multiple females share interconnected silk galleries but each maintains her own brood chamber within the communal web.

Scarlet Robber Fly

A bumblebee-mimicking robber fly covered in dense golden-yellow hair. It preys on insects visiting flowers at woodland edges.

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Did You Know?

Its dense yellow pile makes it one of the most convincing bumblebee mimics among robber flies.