Arachnids of North Carolina
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Agelenopsis emertoni - a grass spider     Agelenidae Members: NC Records BugGuide Account Public View
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Distribution Records
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Vetting Levels
Adult phenology:
 High Mountains (HM) ≥ 4,000 ft.
 Low Mountains (LM) < 4,000 ft.
 Piedmont (Pd)
 Coastal Plain (CP)

Click on graph to enlarge

synonym
taxonomic_comments Agelenopsis emertoni has a stable taxonomic history, having been described as such by Chamberlin & Ivie, 1935.
species_comment The 5 Agelenopsis species reported from NC "resemble each other closely in general appearance. Even in the same species there is much variation in size and some in depth of color. Our [five] known species can only be distinguished with certainty only by a comparison of the genitalia." (Kaston, 1948)

The NC species can, however, be distinguished with some accuracy by noting their differing habitats: A. emertoni is usually found in old field and meadows.

id_comments A. emertoni is generally yellowish in color and may have a broad dark band on the abdominal venter; if present, it is usually not as dark as on other species--more commonly, it is two thin lines with a light area between them, similar to A. kastoni.
total_length females 8-11mm; males 8-10mm
structural_features Click to see a comparison of the genitalia of the 5 Agelenopsis species reported in NC
silk_web Typically a slightly concave, horizontal sheet having at one end a tube that serves as a retreat for the web's denizen, and, the tube's being open at both ends, it also serves as an emergency exit. The webbing is not sticky: instead, the spider relies on its quickness to seize prey that falls or blunders onto its web.
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distribution_reference
technical_reference Kaston, B. J. (1948). Spiders of Connecticut. Bulletin of the Connecticut State Geological and Natural History Survey 70: 1-874.
adult_id 1 identifiable by photo 2 identifiable by photo of specific features and/or supplementary info 3 identifiable from specimen only
abundance
distribution_comments Durham Co., Duke Forest
checklist_mt_high
>=4,000 ft.
Regular
Frequent
Infrequent
Occasional
Seldom
Frequency
checklist_mt_low
<4,000 ft.
Regular
Frequent
Infrequent
Occasional
Seldom
checklist_pd
Piedmont
Regular
Frequent
Infrequent
Occasional
Seldom
checklist_cp
Coastal Plain
Regular
Frequent
Infrequent
Occasional
Seldom
habitat Usually taken in old fields and meadows; funnel/sheet web
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Photo Gallery for Agelenopsis emertoni a grass spider

Recorded by: Brian Bockhahn
Durham Co.
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