no. 1834. NEW SPECIES OF STREPSIPTERA— PIERCE. 509 



liilaris Smith, Georgia (female), (in U. S. National Museum col- 

 lection). 



Mppotes Robertson, 2. Carlinville, Illinois, April 10 (Robertson, 

 1910). 



illinoiensis Robertson, 2. Carlinville, Illinois, April 17 (Robert- 

 son, 1891, 1910). 



imitatrix Cresson race daytonise Robertson, Stylops daytonise 

 Pierce. 



var. texana Cresson Stylops daytonise vieredci Pierce, 

 var. profunda Viereck. 

 The above synonymy will change the location of the references 

 in Bulletin 66. 



lewisii Cockerell, Florissant, Colorado, July 8, 1907 (S. A. Roh- 

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



mandibulars Robertson, Carlinville, Illinois, March 21, 29, 

 April 10 (Robertson, 1910), (female) (Stylops mandibularidis 

 Pierce) . 



nasoni Robertson (hartfordensis Cockerell) . 



Stylops hartfordensis is, however, not a synonym of Stylops 

 nasoni. 



nuda Robertson, Carlinville, Illinois, March 17 (Robertson, 1910), 

 (female) , (Stylops nudse Pierce) . 



pilipes Fabricius, Pekin, China, April 21, 1901 (M. L. Robb) 

 (female), (Stylops pilipedis Pierce) (in U. S. National Museum 

 collection) . 



polygoni Viereck (paratype), Florissant, Colorado, July, 1907 

 (T. D. A. Cockerell) (females), (in U. S. National Museum 

 collection) . 



ribesina Cockerell, Florissant, Colorado (Cockerell, 1906a). 



salictaria Robertson, Carlinville, Illinois, April 2-17 (Robert- 

 son, 1910). 



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



verecunda Cresson types (Robertson, 1910). 

 Biareolina Dufour. 



neglecta Dufour (Perez, 1886; Pierce, 1909). 



Family PANURGID^. 



Panurginus Nylander. 



boylei Cockerell, Las Vegas, New Mexico, August 3 (W. Porter) 

 (female), (Crawfordia cockerelli Pierce), (Pierce, 1909). 

 Pseudopanurgus Cockerell. 



labrosiformis Robertson, Carlinville, Illinois, August 3 (Robert- 

 son, 1910), (female). 

 labrosus Robertson, Carlinville, Illinois, July 3 (Robertson, 1910), 

 (female) (Crawfordia labrosi Pierce). 



