Bird Nest Fungus Gnat (Larva) / Junk Bug

Scientific Name: Ceraia spp. / Leucochrysa spp.

Order & Family: Order Neuroptera, Family Chrysopidae (or family Sciaridae)

Size: 1 mm to 10 mm

Bird Nest Fungus Gnat (Larva) / Junk Bug

Natural Habitat

Wooded areas, gardens, and decaying organic matter

Diet & Feeding

Larvae of many species are predatory, eating aphids and mites, while others consume decaying organic material

Behavior Patterns

Known for building a 'trash' or 'junk' pile on their backs made of debris, silk, and remains of prey for camouflage

Risks & Benefits

Beneficial to ecosystems and gardens as natural pest control against aphids; harmless to humans

Identified on: 12/28/2025