Bug Identifier
Trawl-line spider (Egg sac)
Community identification

Trawl-line spider (Egg sac)

Allocyclosa bifurca

Order & Family
Araneae: Araneidae
Size
Egg sacs are approximately 3-5mm in diameter; adult females reach 6-9mm in length.
See this bug in the Encyclopedia

Natural Habitat

Typically found in coastal forests, wetlands, and subtropical gardens across the southeastern United States and South America.

Diet & Feeding

Strictly carnivorous, feeding on various small flying insects such as mosquitoes, flies, and gnats trapped in its orb web.

Behavior Patterns

The spider creates a unique 'trawl-line' of silk where it hangs its egg sacs and attaches remnants of prey. This creates a vertical line of debris that serves as camouflaged decoys to trick predators.

Risks & Benefits

Generally harmless to humans and lacks significant venom. Beneficial to the ecosystem as they provide natural pest control by consuming winged insects.