Caddisfly Larva (Case-maker)

Scientific Name: Trichoptera (Order)

Order & Family: Order: Trichoptera; Family: Multiple possible (e.g., Limnephilidae)

Size: 2 mm to 40 mm depending on the species and growth stage.

Caddisfly Larva (Case-maker)

Natural Habitat

Freshwater ecosystems like streams, rivers, and lakes, typically attached to rocks or vegetation.

Diet & Feeding

Mostly herbivorous or detritivorous, feeding on algae, decaying leaves, and microscopic organic matter.

Behavior Patterns

They build protective cases from silk and environmental materials (like plant bits shown here). They undergo complete metamorphosis in the water before emerging as winged adults.

Risks & Benefits

Generally harmless to humans; they are critical ecosystem indicators of good water quality and serve as a primary food source for fish.

Identified on: 3/4/2026