Kukulcania arizonica

Kukulcania arizonica, commonly called the Arizona black hole spider is a species of spider belonging to the family Filistatidae. As the scientific and common names suggest, this spider is found in Arizona, United States and the neighboring states of New Mexico and California.

This is a black spider with a velvety texture. It builds a silken tube in a crevice, often on the wall of a building, with silken threads radiating from the entrance. The female, around 13 mm in length (excluding legs), can live for several years. The male is dissimilar, having noticeably longer legs and a thinner body. like it's cousin Badumna longinquus also known as the black house spider Kukulcania arizonica ( Black Hole Spider) is almost all black but has a little bit of greyish-silver spots on the abdomen ( AB-DO-MEN ). Like most spiders the Black hole Spider has four legs on each side of the body plus two pincers at the front.

References

Preston-Mafham, Ken (1998). Spiders: Compact Study Guide and Identifier. Angus Books. ISBN 978-1-904594-93-2.