Arachnids of North Carolina
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View Araneidae Members: NC Records

Micrathena mitrata - white micrathena


Taxonomy
Order: ARANEAEInfraorder: AraneomorphaeFamily: Araneidae                                                                                 
Comments: Originally described by Hentz as Epeira mitrata in 1850, it was later transferred to the genus Micrathena, which had been erected in 1833 by Sundevall.
Identification
Online Description/Photos: BugGuide, Google Images, iNaturalist, WikipediaTechnical Description: Levi, H. W. (1985). The spiny orb-weaver genera Micrathena and Chaetacis (Araneae: Araneidae). Bulletin of the Museum of Comparative Zoology 150: 429-618.
Comments: White abdomen with dark markings and having 4 points (usually black) on posterior end.
Total Length: Females 4.7-6.0mm; males 3.0-3.7mmAdult ID: identifiable by photo
Distribution in North Carolina
Comments: Eastern states, though not found in Florida peninsula.
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: low forest understory, particularly in humid areas
Observation Methods:
Abundance/Frequency:
Silk / Web: Off-vertical orb with closely spaced sticky lines and a hole at the hub.
Behavior: Diurnal
Status in North Carolina
Natural Heritage Program Status:
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Photo Gallery for Micrathena mitrata - white micrathena

Recorded by: John Petranka
Orange Co.
Comment: New Hope Creek Biodiversity Survey (2021-22)
Recorded by: H. Quay
Orange Co.
Comment: ENRI - Inside park office @ -79.004916, 36.078687
Recorded by: Vin Stanton
Buncombe Co.
Comment:
Recorded by: Owen McConnell
Durham Co.
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Recorded by: Brian Bockhahn
Alleghany Co.
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Recorded by: Owen McConnell
Orange Co.
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Recorded by: Barbara McRae
Macon Co.
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Recorded by: Vin Stanton
Buncombe Co.
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Recorded by: NEW
Moore Co.
Comment: WEWO - Horse trail by intersection with Pine Island Trail
Recorded by: Jane Wyche
Camden Co.
Comment: DISW - Bull Blvd.
Recorded by: j.wyche
Gates Co.
Comment: MEMI - north boundary
Recorded by: Brian Bockhahn
Polk Co.
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Recorded by: Brian Bockhahn
Wake Co.
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Recorded by: Brian Bockhahn
Warren Co.
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Recorded by: Brian Bockhahn
Stokes Co.
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Recorded by: Brian Bockhahn
Stanly Co.
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Recorded by: Brian Bockhahn
Durham Co.
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