Spiders in the genus Enoplognatha are, for theridiids, medium to large sized. Like Steatoda

Steatoda

The spider genus Steatoda, in the family Theridiidae, includes over 120 recognized species, distributed around the world ....

, they have a large colulus and a subspherical abdomen

Abdomen

In vertebrates such as mammals the abdomen constitutes the part of the body between the thorax and pelvis. The region enclosed by the abdomen is termed the abdominal cavity...

. Males usually have enlarged chelicerae

Chelicerae

The chelicerae are mouthparts of the Chelicerata, an arthropod subphylum that includes arachnids, Merostomata , and Pycnogonida . Chelicerae are pointed appendages which are used to grasp food, and are found in place of the chewing mandibles most other arthropods have...

.

They can be found almost everywhere on earth.

E. maricopa is largely red-brown, with a mottled purplish abdomen. They reach a length of 3.4mm in males, and 2.9mm in females. Female E. peruviana reach about 6.5mm, female E. zapfei even 9.2mm.