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National Moth Week photos of insects and people. Here's how to add your images.

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

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

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

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


Genus Trachyrhinus

Harvestman - Trachyrhinus favosus Harvestman - Trachyrhinus favosus Trachyrhinus marmoratus Bentsen daddy longlegs - Trachyrhinus marmoratus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Opiliones (Harvestmen)
Suborder Eupnoi
Superfamily Phalangioidea
Family Sclerosomatidae
Genus Trachyrhinus
6 species in genus, all found in US
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
TX to AZ, then northwards, particularly in Plains states; 3 species narrow endemics
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)