Image of Agelenopsis aperta (Gertsch 1934)
![Image of Agelenopsis aperta (Gertsch 1934)](https://beta-repo.eol.org/data/media/39/53/56/18.https___www_inaturalist_org_photos_3900353.580x360.jpg)
Description:
Only two genera of California funnel-web weavers have both a procurved posterior eye row and exceptionally long spinnerets, Agelenopsis and Calilena. Calilena tend to be greyer and build their webs flush against the substrate and are frequently found under rocks, lumber, and other debris. Agelenopsis build large funnel-shaped webs with sheets up to several feet across wide openings. their webs spread out above the substrate and in tall, grassy fields, it's not uncommon to see a tube of silk extending several inches below the sheet into a crack in the ground. Only a single species of Agelenopsis lives in southern and central California: A. aptera.
Included On The Following Pages:
- Life
- Cellular
- Eukaryota (eukaryotes)
- Opisthokonta (opisthokonts)
- Metazoa (animals)
- Bilateria
- Protostomia (protostomes)
- Ecdysozoa (ecdysozoans)
- Arthropoda (arthropods)
- Chelicerata (chelicerates)
- Arachnida (arachnids)
- Araneae (spiders)
- Opisthothelae
- Araneomorphae
- Entelegynae
- Retrolateral tibial apophysis
- Agelenidae (funnel weavers)
- Agelenopsis (Grass Spiders)
- Agelenopsis aperta
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Source Information
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- cc-by-nc-4.0
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- R.J. Adams
- original
- original media file
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- iNaturalist
- ID