Tetragnathidae
Long-jawed Spiders

Diagnostic Features:

These spiders have three tarsal claws and no cribellum. They have eight eyes positioned in two rows, with the four median eyes clumped together in the shape of a trapezoid and the lateral eyes a small distance away. Their first leg is the longest and the third is the shortest.

 

Family Distribution:

They are widespread across the world and common in most areas.

 

Interesting Natural History Notes:

They form orb webs with open centers in the middle, as oppose to dense centers of Araneidae webs. They are often found in vegetation near or above water.

 

Origin of Latin Name:

The name means four jawed, possibly pertaining to the large chelicerae.

 

Genera found in the Northeastern United States:

Tetragnatha, Pachygnatha, Glenognatha, Meta