101. TEXTHRED3. 319 



175. Tenthredo nimbipinnis. 



Tenthrddo nirnbipennis, Cress. Trans. Amer. Ent. Soc. iv. p. loo 

 (1872). 



Huh. Texas. 



a, h. J. Texas. Dr. Cresson. 



17U. Tenthredo nigrofasciata. 

 Tenthredo nigrofasciata, Esch. Entomoyr. p. 92 (1822). 

 Hab. Unalaschka. 



177. Tenthredo vittata. 

 (Plate XII. fig. 14.) 



Exp. al. 10| lin., long. corp. 5 lin. 



1 u -t nut-red; ocelli and a small spot between and beneath each 

 antenna black ; face yellow, clypeus very deeply concave, mandibles 

 red. Thorax red. with three black - . and the middle of 



the ; black; collar and tegulae yellow. Abdomen red above, 



and black to the middle below ; two yellow spots above the hinder 

 : the first four segments ab narrow. i with black 



behind, this is interrupted in the middle on the third, but more 

 widely on the fourth; the sixth segment is marked with a small 

 iton each I saws are bla . Coxae black; legs 



reddish : front femora with a black line at base above; four hinder 

 femora mostly lilark ; four front tibiae yellowish beneath ; hind tibiae 

 yellow. Wings yellowish hyaline, with yellow ncrvures ; stigma 

 reddish brown at the extremity. 



Huh. Hudson's Bay. 



a. 2- (Type.) Martin's Falls, Dr. Barnston. 



Albany Hi . 



L78. Tenthredo castanea. 

 (Plate XII. fig. 17.i 



Exp. al. 1 1 lin., long. corp. 5 lin. 



Chestnnt-red : face yellow, tips of mandibles red, middle of pectus 

 black. Fore wings yellowish hyaline, with yellow and brown ncr- 

 vures ; costa yellow; stigma brown at the extremity: hind wings 

 clear hyaline, with brown ncrvures. 



// <!■. Hudson's Bay. 



a. 2- (Type.) St. Martin's Falls, Dr. Bamston. 



Albany River. 



