Horn-faced Marsh Fly vs Small Yellow Cockroach

Side-by-side species comparison

Attribute Horn-faced Marsh Fly Small Yellow Cockroach
Scientific Name Dictya umbrarum Cariblatta lutea
Order Diptera Blattodea
Family Sciomyzidae Ectobiidae
Size 4-7 mm 5-8 mm
Habitat Wetlands Indoors
Diet Detritivores Detritivores
Regions North America Southeastern United States
Conservation Least Concern Not Evaluated

Horn-faced Marsh Fly

A small yellowish marsh fly with patterned wings and prominent facial ridges. Larvae feed on decomposing aquatic snails in shallow wetland habitats.

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Did You Know?

Sciomyzid flies are the only family of Diptera in which the larvae are obligate associates of mollusks.

Small Yellow Cockroach

A tiny pale yellowish cockroach found in the southeastern United States. It lives in leaf litter and is rarely encountered indoors.

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Did You Know?

At only 5 mm long, it is one of the smallest cockroach species in North America.