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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Harvestmen (Opiliones) » Eupnoi » Phalangioidea » Sclerosomatidae » Trachyrhinus

Genus Trachyrhinus

Classification · Numbers · Identification · Range · Season · Print References
Harvestman - Trachyrhinus favosus Harvestman - Trachyrhinus favosus Trachyrhinus marmoratus Bentsen daddy longlegs - Trachyrhinus marmoratus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Opiliones (Harvestmen)
Suborder Eupnoi
Superfamily Phalangioidea
Family Sclerosomatidae
Genus Trachyrhinus
Numbers
6 species in genus, all found in US
Identification
At least one pseudoarticulary nodule on femur II; coxae III and IV enlarged in males; abdomen with a "wrinkled" appearance; eye mound with pointed tubercles, rare for Sclerosomatidae
Range
TX to AZ, then northwards, particularly in Plains states; 3 species narrow endemics
Season
Records indicate maturation in Fall/Winter
Print References
Cokendolpher, J.C. (1981a) Revision of the genus Trachyrhinus Weed (Opiliones, Phalangioidea). The Journal of Arachnology, 9(1), 1–18. (online PDF)
Contributed by marshal hedin on 27 February, 2009 - 3:50pm
Last updated 30 June, 2016 - 3:39pm

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