Araneae23 species

Family Cellar Spiders (Pholcidae)

Pholcidae is a family in the order Araneae. Browse 23 named species recorded in this family, or open an individual profile for its available identification and natural-history information.

Guides

Daddy Long Legs Guide Cellar Spider Guide

Species in Pholcidae (23)

Artema atlanta

Identification: Largest pholcid in the world. Abdomen is globular. Males' chelicerae have a very conspicuous black modification. Web is a domed sheet with a network of irregular threads above it.

Tailed Cellar Spider

Crossopriza lyoni

Crossopriza lyoni is a widespread species of cellar spiders that prefer to live in or around human structures. They are commonly known as tailed cellar spiders, tailed daddy longlegs spiders, and sometimes box spiders. They all possess extremely long

Pholcus manueli

Identification: Epigynum Palp Dr. Bernhard Huber's 2011 revision of the genus Pholcus includes some habitus images of the male on page 343 (see: ). Looks very similar to our other two introduced (non-native) species of Pholcus . We do not often come

Harvestman Cellar Spider

Pholcus opilionoides

Identification: Epigynum It will be rare for BugGuide to get submissions of any of the ten endemic (native) Pholcus , so it will mostly only be the three (so far) introduced/non-native species that we will see and need to differentiate, thus here is

Cellar Spider

Pholcus phalangioides

Sometimes called the 'Daddy Long-legs Spider' it is relatively easy to identify due to the very long legs and cylindrical body. Pholcus phalangioides is an eight-eyed spider, which is a pale yellow-brown except for a gray patch in the center of the c

Physocyclus californicus

Physocyclus californicus is a spider in the family Pholcidae ("cellar spiders"), in the infraorder Araneomorphae ("true spiders"). The distribution range of Physocyclus californicus includes the USA and Mexico.

Psilochorus apicalis

Identification: Per Slowik 2009: "This species can be separated from all other species by the cheliceral spur shape in the males and the overhanging MEP in the females. The sternal pattern is also distinctive".

Northwestern Cellar Spider

Psilochorus hesperus

Psilochorus hesperus is a spider found in cellars and rock boulder nooks in the Northwestern United States and in British Columbia. Adult males have curved spikes protruding forward from their jaws.

Psilochorus papago

Identification: "The barb appearance on the spur and the slit procursus with the longer dorsal side separates this species from all other male species with truncated spurs. The low MEP ridges and wide PEP projection on the epigynum will separate it f

Psilochorus rockefelleri

Identification: "Specimens may be distinguished by: males spur short and wide, curving inward and pointed in dorsal view (Fig. 138), spur is located on the proximal half of the chelicerae and is equal to or less than half of the cheliceral length (Fi

Psilochorus simoni

2 to 3 mm long. Prosoma yellowish to light brown, slightly darkened in the middle. Legs yellowish to light brown. Opisthosoma bluish grey, egg-shaped or globular. Unless identified by a recognised expert, a photo is required. If the photo doesn't sho

Psilochorus utahensis

Psilochorus utahensis is a species of cellar spider in the family Pholcidae. It is found in the United States.

Smeringopus pallidus

Identification: Abdomen mostly cylindrical and elongate. The color pattern of paired purplish spots the entire length of the top and sides of the abdomen can usually distinguish this species from other similar synanthropic pholcids. Carapace has a br