NO. 2045. NORTH AMERICAN BEES— COCKERELL. 89 



*einarginatum Say, 1824. Tab. 3, 5, 6. 

 Face of female black. 



Cresson redescribes it from specimens collected in Kansas. 

 emarginatum atripes Cresson, 1879. Nevada (Morrison). 



Male with legs entirely black, 

 exhumatum Cockerell, 1906. Fossil in the Miocene shales of Florissant (Scudder). 

 flavolineatum Smith, 1879. Oajaca, Mexico= Dianthidiumflavolineatum. 



Female 8 mm., a short narrow line behind the eyes yellow. 

 *harbecki Crawford, 1910. Wenonah, New Jersey (H. S. Harbeck). 

 Has a pulvillus, "Related according to the swollen legs to larrex and to crassipes. 

 Outside of that one character it does not seem close to any others." (Crawford in 

 letter.) 

 Type.— G&t. No. 13454, U.S.N.M. 



This is to be referred to Heteranthidium on the authority of Mr. Crawford, 

 hesperium Swenk, 1913. Palo Alto, California. 

 hesperium dentipygum Swenk, 1913. Laramie, Wyoming. 

 *illustre Cresson, 1879. Nevada (Morrison). Tab. 3. 

 Fowler described the male from Redlands, California. 

 Nesting habits; Entom. News, 1904, p. 284. 

 This species is to be referred to Dianthidium. 

 illustre consonum Cresson, 1879. Nevada (Morrison). 

 impatiens Smith, 187 9 =Dianthidiu7n impatiens. Tab. 4. 



Male 8^ mm, 

 incurvatum Swenk, 1913. Ute creek, Costilla County, Colorado (H. S. Smith). 

 jocosum Cresson, 1878. Colorado (Ridings). Tab. 3. 

 "A pretty little species, with the bands on apex of abdomen broad and uninter- 

 rupted." (Cresson.) 

 *lupinellum Cockerell, 1904. Pecos, New Mexico (W. P. Cockerell). Tab. 1. 

 Male about 11 mm. ; clypeus all yellow. Visits Lupinus. 



Also in Texas. — 



maculatum Smith, 1854. Mexico. 



Notes on type: Trans. Amer. Ent. Soc, vol. 21, p. 336. 



Apex of male abdomen with long straight parallel blunt spines, the outer ones very 



much longer than the middle one; subapical lateral spines hooked. 

 Renamed A. americanum Friese, 1911. 

 maculifrons Smith, 1854. "United States." Tab. 3. 

 *maculosuin Cresson, 1678. " Utah (Putnam); California (H. Edwards)." Tab.2,3. 



Male; Ann. Mag. Nat. Hist., May 1900, p. 412. 

 montivagum Cresson, 1878. Colorado (Ridings). Tab. 2, 3. 

 mormonum Cresson, 1878. Utah (Ulke). Tab. 3. 



nebrascense Swenk, 1913. Sowbelly canyon, Sioux County, Nebraska (R. W. Daw- 

 son). Tab. 6. Also in Wyoming. 

 orizabae Dalla Torre= Dianthidium orizabx. Tab. 4. 



Abdominal scopa black, 

 palliventre Cresson, 1878. California (Hy. Edwards). Tab. 1, 3. 



Supposed male; Bull. Southern California Acad. Sci., April, 1904, p. 60. 

 palmarum Cockerell, 1904. Palm Spring, California (Davidson). Tab. 1. 



Tegulre apricot color, 

 paroselae Cockerell, 1898. Mesilla, Nex Mexico (Cockerell). Tab. 1. 

 Male: Ann. Mag. Nat. Hist., May 1900, p. 412. 

 Nesting habits; Minnie Newberry, Psyche, 1900, p. 94. 

 *pecosense Cockerell, 1904. Pecos, New Mexico (Cockerell). Tab. 1, 2. 

 Also at Flagstaff, Arizona (F. C. Pratt). 



