Latrine Fly vs Fen Rove Beetle

Side-by-side species comparison

Attribute Latrine Fly Fen Rove Beetle
Scientific Name Fannia scalaris Stenus providus
Order Diptera Coleoptera
Family Fanniidae Staphylinidae
Size 5-7 mm 3.5-4.5 mm
Habitat Wetlands Wetlands
Diet Scavengers Predators
Regions Worldwide Northern Europe
Conservation Least Concern Least Concern

Latrine Fly

A small fly that breeds in excrement and decaying organic matter in latrines and drains. It can cause urogenital myiasis when larvae enter the urinary tract.

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Did You Know?

Its flattened, spiny larvae are among the few fly species documented to cause urinary myiasis in humans.

Fen Rove Beetle

A tiny rove beetle of wetland margins with exceptionally large eyes for a beetle its size. Uses a retractable sticky labial pad to catch springtails. Confined to fen habitats.

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Did You Know?

Has proportionally the largest eyes of any British beetle relative to its body size.