Key to the Genera
North American Scorpions
Pedipalp chela fixed finger with primary row of denticles serrate in side
view, undivided or divided into two to five (never six) subrows by almost
imperceptibly larger denticles (Fig. 40); females with one or more pairs
of proximal pectinal teeth ovoid and lacking sensillae (Fig. 42). . . . .Serradigitus
Pedipalp chela fixed finger with primary row of denticles not especially
serrate in side view, divided into five or six subrows by larger denticles
(Fig.41); proximal pectinal teeth not ovoid or lacking sensillae (Fig.
43). . . . .Go to Couplet
Disclaimer: The views expressed here are mine
alone and do not represent the views of the Department of the Army
or the Smithsonian Institution... or anybody else for that matter.
– Dr. Scott A. Stockwell
The Walter Reed Biosystematics Unit | Museum Support Center, MRC-534 | Smithsonian Institution | 4210 Silver Hill Rd. | Suitland, MD 20746-2863 USA | Ph: 301-238-1077; FAX: 301-238-3168
Entomology Branch | Walter Reed Army Institute of Research | 503 Robert Grant Avenue | Silver Spring, MD 20910-7500 USA