240 BULLETIN" 143, UNITED STATES NATIONAL MUSEUM 



Holotype. — Female, Bill Williams Fork, Arizona, August (F, H. 

 Snow), in collection of University of Kansas. 



Paratypes. — Seven females. Bill Williams Fork, Arizona, August 

 (F. H. Snow); female, Tucson, Arizona, July 26, 1921; female, 

 Florence, July 29, 1917; female, Sacaton, July 26, 1924 (J. A. 

 Harris, jr.) ; 2 females, Sacaton, July 27, 1924 (J. A. Harris, jr.) ; 

 female, Yuma, Arizona, 1901 (H. Brown) ; female, Arizona; female, 

 Indio, Salton depression, Riverside County, California, July 29, 

 1907; female. Ash Meadow, Nye County, Nevada, August 14-19, 

 1921 (Knaus, Nininger, Hoover). Paratypes in collections of United 

 States National Museum, American Entomological Society of Phila- 

 delphia, University of Minnesota, University of Kansas, University 

 of Arizona, Cornell University, and the author. 



Satanas is related to nruigna^ magiiifica^ klugii, and sachenii. It 

 may be distinguished from the first three by the less coarsely sculp- 

 tured genae, and from sackenii by the black pubescence in the apical 

 fringes of the sternites. 



98. DASYMUTILLA FLAMMIFERA, new species 



FeiTUile. — Very dark mahogany red, the pubescence of the head, 

 thorax, and abdomen above scarlet ; length, 13 mm. 



Head very dark mahogany red, the front and vertex clothed with 

 long, erect and recumbent scarlet pubescence ; mandibles acuminate at 

 the tip, unidentate within; clypeus feebly bidentate medially on the 

 apical margin, clothed with long, erect black hairs ; scape clothed with 

 coarse black hair ; first segment of flagellum twice as long as its own 

 width at the apex; antennal scrobes distinctly carinate above; front 

 and vertex with moderate, close, shallow, confluent punctures; genae 

 rounded posteriorly, with moderate, more or less confluent punctures, 

 not as coarsely sculptured as the front and vertex, clothed with sparse 

 black pubescence; relative widths of head and thorax, 8-9. 



Thorax very dark mahogany red, the dorsum with coarse, deep, 

 confluent punctures, clothed with long, erect and recumbent scarlet 

 pubescence, longer tlian broad; propleura with scattered moderate 

 punctures, the carina defining the cephalic margin very distinct, 

 clothed with sparse black pubescence ; anterior half of mesopleura 

 glabrous, with small, indistinct punctures, clothed with sparse, re- 

 cumbent black pubescence; posterior half of mesoj)leura closely and 

 coarsely punctate with a longitudinal row of very long, erect, black 

 hairs; metapleura glabrous with a few coarse punctures ventrally, 

 clothed with sparse, recumbent, black pubescence; anterior half of 

 sides of propodeum with scattered, moderate punctures, the posterior 

 half becoming shallowly and broadly foveolate, the whole clothed 

 with sparse black pubescence; posterior face of propodeum deeply. 



