Rose Midge vs Common Fungus Gnat

Side-by-side species comparison

Attribute Rose Midge Common Fungus Gnat
Scientific Name Dasineura rhodophaga Bradysia impatiens
Order Diptera Diptera
Family Cecidomyiidae Mycetophilidae
Size 1-2 mm 2-4 mm
Habitat Underground Underground
Diet Gall Makers Fungus Feeders
Regions North America, Europe Cosmopolitan
Conservation Least Concern Least Concern

Rose Midge

A tiny gall midge whose larvae develop inside rose buds, causing them to blacken and fail to open. Adults are delicate yellowish flies barely visible to the naked eye.

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Did You Know?

A single rose bud can contain dozens of tiny orange larvae that destroy the flower before it ever opens.

Common Fungus Gnat

A small, delicate dark fly with long legs and antennae that commonly infests houseplant soil. Adults are weak fliers that hover near potted plants and are attracted to light.

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Did You Know?

Fungus gnats are one of the most common houseplant pests worldwide, with larvae damaging roots of seedlings.