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Family Protolophidae

Havest Man? - Protolophus Harvestman - Protolophus Harvestman up high on a flower - Protolophus tuberculatus harvestman - Protolophus niger - male Protolophus sp. - Protolophus niger - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Opiliones (Harvestmen)
Suborder Eupnoi
Superfamily Phalangioidea
Family Protolophidae
8 described species in genus Protolophus:
P. cockerelli, P. differens, P. niger - G & G 1942
P. dixiensis - Chamerberlin 1925
P. longipes - Schenkel 1951
P. rossi - G & G 1943
P. singularis, P. tuberculatus - Banks 1893

Genus badly in need of revision
Immatures and adult females with medial "thumb" process on patella of pedipalp. *This character also found in some Phalangiidae, and some Trachyrhinus*

Male palpal femur and tibia robust, sometimes greatly enlarged; male palpal tarsus narrowing abruptly; palpal tarsus generally equal to or shorter than tibia

Most diverse in CA, also northwards to British Columbia, westwards to Arizona, New Mexico, Utah
Maturing in Spring and early Summer
Print References
Goodnight, CJ. & ML. Goodnight, 1942. The genus Protolophus (Phalangida). American Museum Novitates, New York, 1157: 1-7. (PDF from AMNH Digital Library)

Goodnight, CJ. & ML. Goodnight, 1943. New and little known phalangids from the United States. The American Midland Naturalist, Notre Dame, Indiana, 29(3): 643-656. online PDF

Schenkel, E. (1951) Spinnentiere aus dem westlichen Nordamerika, gesammelt von Dr. Hans Schenkel-Rudin. Zweiter Teil. Verhandlungen der Naturforschenden Gesellschaft in Basel, 62, 24–62. online PDF