Flea Larva

Natural Habitat

Found in dark, protected areas where pets sleep or frequent, such as deep carpet fibers, cracks in floorboards, bedding, and upholstery. They dislike light and seek high humidity.

Diet & Feeding

Scavengers that feed on organic debris, specifically 'flea dirt' (dried blood excreted by adult fleas), dead skin cells, and other insect debris.

Behavior Patterns

They are negatively phototactic (avoid light) and actively burrow deep into substrates like carpets to avoid detection and desiccation. They spin silken cocoons to pupate after the larval stage.

Risks & Benefits

Risks: These larvae mature into biting adult fleas that cause itching, allergic reactions, and can transmit tapeworms and diseases like typhus or cat scratch fever. Benefits: None in a domestic setting; they are a significant pest.

Identified on: 3/11/2026