Fungus Gnat Control: Best Carnivorous Plants for Indoor Gnats

A grower lost a Brazilian sundew (D. graminifolia?) and has fungus gnats. VFTs are dormant. Asks for effective gnat-catching plants.

Top Indoor Gnat Catchers

Drosera adelae — shade-tolerant, excellent for gnats
Drosera capensis — prolific, easy, catches gnats well
Fork-leaf sundews (D. binata varieties) — high trap density
Pinguicula moranensis (Mexican butterwort) — sticky leaves trap gnats effectively

Carnivorous Plants: Classroom Terrarium for Carnivorous Plants in Northern Maine: Setup and Species Selection; Drosera Spatulata Size Expectations: Mature Dimensions of the Spoon-Leaf Sundew; Complete Drosera capensis Care Guide; Are Ants Good Prey for Sundews? What They Actually Catch; Reviving a Dewless Cape Sundew After Shipping; Diagnosing Sundew Decline: Fertilized Soil and Orchid Overspray; Why Your Sundew Isn't Producing Dew: Light Requirements for Sticky Traps; Identifying a Mystery Green Sundew: Likely Drosera capensis 'Alba'; Choosing Sundews for a Lowland Nepenthes Terrarium (And Why You Might Not Need One); Growing Cape, Lance Leaf, and Pygmy Sundews in a Greenhouse

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