Spiders of North Carolina

Order:
Scientific Name: Common Name:		Family (Alpha):

View	Oecobiidae Members:	NC Records
Oecobius cellariorum - a flatmesh weaver

Taxonomy

Order: ARANEAE

Infraorder: Araneomorphae

Family: Oecobiidae

Identification

Online Description/Photos:

BugGuide Google, iNaturalist, Wikipedia, GBIF

Comments: Minimal markings on the cephalothorax are characteristic.

Total Length: Females ca. 3mm, males ca. 2mm

Adult ID: identifiable by photo of specific features and/or supplementary info

Left palp of NCBP 6113, specimen shown below

Epigynum of NCBP 6347, shown below.

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		Photos: 7
	Recorded by: Donald Zepp on 2022-06-20 Johnston Co. Comment:	Recorded by: Donald Zepp on 2022-06-20 Johnston Co. Comment: See epigynum in "Structural photos," above
	Recorded by: Donald Zepp on 2022-03-24 Johnston Co. Comment: See palp photos in "Structural photos," above	Recorded by: Carol Tingley on 2019-08-12 Wake Co. Comment:
	Recorded by: Carol Tingley on 2019-08-12 Wake Co. Comment:	Recorded by: Carol Tingley on 2019-08-12 Wake Co. Comment:
	Recorded by: Brian Bockhahn on 2015-06-13 Rockingham Co. Comment:

Photo Gallery for Oecobius cellariorum - a flatmesh weaver