508 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.40. 



Sphex Linnaeus. 



campestris Latreille, Germany (Scholz, 1909). 

 luctuosa Smith. 1. Idaho, (female) (University of Nebraska 

 collection) ; 2. Colorado Springs, Colorado (male pupa, female) 

 (Eupathocera luctuosse Pierce) (University of Nebraska col- 

 lection) . 



Family LARRIMJ. 

 Tachytes Panzer. 



xenoferus Rohwer. Deesa, India (males, females) (C. G. Nurse) 

 (Tachytixenos indicus Pierce). 



Superfamily APOIDEA. 

 Family ANDRENIDiE. 



Subfamily H^LICTIN^E. 



Augoclilora F. Smith. 



viridula F. Smith, Carlinville, Illinois, September 17 (Robertson 

 1910), (female) (Halictoxenos viridulse Pierce). 

 Halictus Latreille. 



nymplisearum Robertson, Carlinville, Illinois (Robertson 1910) 

 (female), (Halictoxenos nymphseari Pierce). 



sparsus Robertson 2. Carlinville, Illinois, April, May, July, Sep- 

 tember, October (Robertson, 1910). 



versatus Robertson 2. Carlinville, Illinois, April 11, November 3 

 (Robertson, 1910). 



zephyrus Smith 2. Carlinville, Illinois, April, July (Robertson, 

 1910). 



Subfamily ^NIDRENHSTJE. 



Andrena Fabricius. 



andrenoides Cresson, Carlinville, Illinois, April 1-29 (Robertson, 

 1910), (female), (Stylops andrenoides Pierce). 



asteris Robertson, Carlinville, Illinois, September 8 (Robertson, 

 1910) (female), (Stylops asteridis Pierce). 



crawfordi Viereck, Dallas, Texas (Viereck, 1909). 



cressoni Robertson, Falls Church, Virginia, June 14 on Ceanothus 

 (female), (in U. S. National Museum collection). 



desponsa Smith (victima Smith), Nova Scotia (male, female) 

 (Stylops childreni Gray) (Latreille, 1845, Smith, 1853, Cock- 

 erell, 19066). 



didelta Viereck, Florissant, Colorado, July 17, 1907 (S. A. Roh- 

 wer) (female), (in U. S. National Museum collection). 



erigenise Robertson, 1. Carlinville, Illinois, April 11 (Robertson, 

 1891, 1910), (female). 2. Castle Rock, Pennsylvania, April 17, 

 1908 (females), (in U. S. National Museum collection). 



Jiemileuca Viereck, Florissant, Colorado, June 19, 1907 (S. A. 

 Rohwer), (females), (in U. S. National Museum collection). 



