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

Oecobius cellariorum - a flatmesh weaver


Taxonomy
Order: ARANEAEInfraorder: AraneomorphaeFamily: Oecobiidae                                                                                 
Identification
Online Description/Photos: BugGuide, Google Images, iNaturalist, Wikipedia, GBIF
Comments: Minimal markings on the cephalothorax are characteristic.
Total Length: Females ca. 3mm, males ca. 2mmAdult ID: identifiable by photo of specific features and/or supplementary info
Structural photos
Distribution in North Carolina
Comments: MD to AZ, but notably non-reported from the Gulf states.
County Map: Clicking on a county returns the records for the species in that county.
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:
Observation Methods:
Abundance/Frequency: Synanthropic and and widespread globally, these small spiders are easily overlooked.
Prey: Members of this family seem readily to take ants.
Behavior: Commonly found on walls, they can run surprisingly fast when disturbed.
Status in North Carolina
Natural Heritage Program Status:
Natural Heritage Program Ranks:
State Protection:
Comments:

Photo Gallery for Oecobius cellariorum - a flatmesh weaver

Recorded by: Donald Zepp
Johnston Co.
Comment: Captured on front porch of residence 10 June '22. Mo;ted to adult female 18 June, sacrificed for epigynum photo 20 June '22
Recorded by: Donald Zepp
Johnston Co.
Comment: Captured on front porch of residence 10 June '22. Mo;ted to adult female 18 June, sacrificed for epigynum photo 20 June '22
Recorded by: Donald Zepp
Johnston Co.
Comment: Adult male, found on wall of office
Recorded by: Brian Bockhahn
Rockingham Co.
Comment:
Recorded by: Carol Tingley
Wake Co.
Comment: Male
Recorded by: Carol Tingley
Wake Co.
Comment: Female
Recorded by: Carol Tingley
Wake Co.
Comment: Female