Key to the Genera

North American Scorpions


Couplet 13

check icon 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 14

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

WRAIR logo  Smithsonian Institution logo © Smithsonian Institution  | Privacy | Terms of use | Contact WRBU