Arachnids of North Carolina
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View Linyphiidae Members: NC Records

Grammonota inornata - a dwarf spider

Taxonomy
Order: ARANEAEInfraorder: AraneomorphaeFamily: LinyphiidaeSubfamily: Erigoninae                                                                                 
Identification
Online Description/Photos: "The prosoma is dark brown. The opisthosoma is dark gray. The legs are orange, with dusky bands at the distal ends of the femurs and tibiae." (Rose, 2022) Unlike many linyphiid species, the head of male is little different from that of the female. BugGuide Google, iNaturalist, Wikipedia, GBIFTechnical Description:

Bishop, S. C. & Crosby, C. R. (1933). Studies in American spiders: The genus Grammonota. Journal of the New York Entomological Society 40: 393-421.

Total Length: Female 2-2.5mm, male 1.9mmAdult ID: identifiable from specimen only
Distribution in North Carolina
Comments: Eastern US and Canada, west to the Great Plains, and south to Texas.
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: Kaston (1948) reported this species being found under leaves, but also "in greatest abundance [in Connecticut ] on open beaches under dry eel-grass and other weeds."
Observation Methods:
Abundance/Frequency:
Behavior: Builds its small webs in low vegetation, close to the ground. Often found in lawns.
Status in North Carolina
Natural Heritage Program Status:
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 Photo Gallery for Grammonota inornata - a dwarf spider

Photos: 1

Recorded by: Carmen Zepp on 2023-04-29
Johnston Co.
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