Horn-faced Marsh Fly vs Speckled Cockroach

Side-by-side species comparison

Attribute Horn-faced Marsh Fly Speckled Cockroach
Scientific Name Dictya umbrarum Periplaneta picea
Order Diptera Blattodea
Family Sciomyzidae Blattidae
Size 4-7 mm 25-35 mm
Habitat Wetlands Forests
Diet Detritivores Detritivores
Regions North America Southeast Asia
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.

Speckled Cockroach

A dark cockroach with a finely speckled pattern on its wings. It is found in tropical forests of Southeast Asia.

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Did You Know?

Its cryptic speckled wing pattern helps it blend in with bark and leaf litter on the forest floor.