Arachnids of North Carolina
Order:
Scientific Name: Common Name: Family (Alpha):
« »
View AGELENIDAE Members: NC Records

Coras cavernorum Barrows, 1940 - a funnel weaver


No image for this species.
Taxonomy
Order: ARANEAEInfraorder: ARANEOMORPHAEFamily: AGELENIDAE                                                                                 
Species Comment: this species may be synonymous with C. montanus but the name will remain valid until a study of the type can be made
Identification
Online Description/Photos: BugGuide Google, iNaturalist, Wikipedia, GBIF
Comments: Cephalothorax with the usual markings. A dark line from posterior lateral eyes to an elongated hexagonal light area which has its posterior point on the outside of a dark hexagonal area which ends lateral to the dorsal groove. A faint line from posterior middle eyes to the elongated light hexagonal area. The anterior angle of this area bisected by a dark line which is an extension of the line from the posterior lateral eyes. Anterior part of head a rich yellowish brown. This color becomes lighter toward the posterior edge of the cephalothorax where it is lemon color. The legs are the same color as the head except the distal end of femur and the patella which are lemon. Faint bars show on the upper side of femora and tibiae. The femora underneath show three well marked dark bars; the first or basal is narrow; the second or middle bar and the subapical are broad. Abdomen a dark greenish gray. The indefinite pattern is made up by the underlying white which shows through. A basal dark stripe extends half the length of the abdomen. It is broken in the middle by a white spot between two muscle impressions. On the posterior part are five chevrons. The two anterior are broad and irregular flocculent white spots. The three posterior are inverted V marks, each made up of a single row of small white dots. Just above each posterior spinnerette a long white horizontal dash mark. Venter of abdomen with a long dark shield-shaped center broken by two small white spots just below the epigynum. The dark center is surrounded by large irregularly placed white spots. Sides of venter dark with small white dots. Epigynum wide, but narrow from front to back. Sternum dark with a central light line which nearly meets a posterior light diamond mark
Total Length: Female.—Total length 13 mm. Cephalothorax 6 mm. Abdomen 7 mm. Cephalothorax widest part between second and third leg, 4 mm. Cephalothorax at eye region, 2.6 mm. Width of posterior lateral eyes, 1.6 mm. Length of first leg, 20 mm
Distribution in North Carolina
Comments: Smoky mountians and nearby Maggie Valley
County Map: Clicking on a county returns the records for the species in that county.
Coras cavernorum
Adult phenology:
 High Mountains (HM) ≥ 4,000 ft.
 Low Mountains (LM) < 4,000 ft.
 Piedmont (Pd)
 Coastal Plain (CP)

Click on graph to enlarge
Habitats and Life History
Habitats: Small caves
Observation Methods:
Abundance/Frequency:
Status in North Carolina
Natural Heritage Program Status:
Natural Heritage Program Ranks:
State Protection:
Comments: