236 BULLETIN" 143, UNITED STATES NATIONAL MUSEUM 



PARATVPB XIAXERIAL 



Arizona : 3 males, Dragoon, Cochise County, July 20, 1917 ; 2 females, Carr 

 Canyon, Huachiica Mountains, Cochise County, August, 1905 (H. Skinner) ; 

 female, Benson, July 21, 1917 ; 4 females and male, Sabino Basin, St. 

 Catalina Mountains, July S-20, 1916 ; female, Sabino Basin, St. Catalina 

 Mountains, September 24 (C. H. T. Townsencl) ; female, Sabino, August 17, 

 1921; male, Catalina Mountains, June 11, 1924 (A. A. Nichol) ; 2 males, 

 Santa Catalina Mountains, September 25, 1924 (A. A. Nichol) ; female, 

 Tucson, March 22, 1921 ; female, Tucson, April ; female, Santa Rita Moun- 

 tains, July 16, 1921 ; female, McCleary's Camp, August 12, 1919 ; male, 

 Bonita, July IS, 1917 (H. H. Knight) ; female, Bonita, July 19, 1917; fe- 

 male, Pima county, July 26, 1918 ; 3 females and one male, Baboquivari 

 Mountains (F. H. Snow) ; male. Congress Junction, July (F. H. Snow) ; 

 female, Jerome, June 23, 1900 (Oslar) ; 2 females. Hot Springs (Barber 

 and Schwarz) : 2 females, Texas Pass, July 20, 1917; female and 3 

 males, Yuma County, September, 1903: female, Coyote Mountains, August 

 4-7, 1916; female, Tinajas Alt, 1905 (W J McGee) ; female, Palo Alto, 

 July 29-30, 1916; female, Wenden, August 10, 1919 (J. B. Swift) ; female, 

 Ventana Canyon, August 7. 1919 ; female. 



California : Female, Riverside, July 31, 1908 ; male. Riverside, August 3, 1893 ; 

 female, Clareniont (Baker); male, Redlands; male, Ontario. August 9 

 (Snodgrass) ; female, San Diego County. 



Mexico: Female, Arizpe, Sonora, 1902: female and male, Copete mine, east of 

 Carbo, Sonora (F. C. Nicholas). 



New Mexico: 2 males, Steins, July 14, 1917 (H. H. Knight) ; 2 males. Steins, 

 July 14, 1917. 



Nevada: Female, Nelfeon, August S, 1908 (J. F. Duncan). 



Paratypes in collections of United States National Museum, Ameri- 

 can Museum of Natural History: American Entomoloiiical Society of 

 Philadelphia, University of Minnesota, Cornell University, Uni- 

 versity of Kansas, Leland Stanford Jr. University, University of 

 Arizona, Utah Agricultural College, Colorado Agricultural College, 

 Mississippi Agricultural and Mechanical College, California State 

 Insectary, J. Bequaert, H. H. Knight, and the author. 



This species is, in superficial appearance, almost a duplicate of 

 klugii, with its black head and thorax and orange-red abdomen. 

 The female is readily distinguished from klugii by the prominent 

 carina on the genae, the rugose pygidium, the fringe of reddish hairs 

 on the apical margins of the ventral segments, and the dark-red 

 color of the integument. The male is distinguished from klugii by 

 the fringe of reddish hairs on the apical margins of the ventral seg- 

 ments (in klugii only the lateral apical margins have a fringe of 

 reddish hairs), and by the structure of the genitalia; in the latter 

 the base of the squamae beneath in klugii is thickly clothed with long 

 hair, while in magnifica the hairs at the base of the squamae are 

 sparse. The female of magnifica has been confused with klugii in 

 collections, while the male has been designated as phaon in some in- 

 stances. I have examined the type of the latter and fi.nd it may be 



