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Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

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Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

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Genus Trachyrhinus

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)