230 TENTHKEDINIDJE. 



78. Dolerus affinis. 

 (Plate IX. fig. 12.) 



Dolerus affinis, Cameron, Trans. Ent. Soc. Lond. 1876, p. 170. 

 Exp. al. 8-9 lin., long. corp. 4 lin. 



Closely allied to D. ephippiatus, but less pilose ; wings and 

 antennas shorter ; abdomen stouter, bluish black above, and black 

 below ; pectus wholly black, except the anterior angle ; thorax with 

 a small black spot in front ; head a little more closely punctured ; 

 wings a little darker. 



Hab. China. 

 6 . 2.|Uypes.J Shanghai. R. Fortune. 



79. Dolerus coxalis. 



Dolerus coxalis, Motsch. Hull. Mosc. xxxix. p. 182 (1866). 

 Hab. Japan. 



E. North-American Species. 



80. Dolerus unicolor. 



Tenthredo unicolor, Beauv. In*. Afr. Amer. p. 07, pi. ix. fig. 2 (1805). 

 Dolerus unicolor, St.-Farg. Mm. Tentkr. p. 125, u. 373 (1823); 



Nort. Proc, Host. Soc. viii. p. 151(18(31); id. Trans. Amer. Ent. 



Soc. i. p. 234 i L867). 



Hab. North America. 



a. 3 . New York. E. Doubleday. 



b,c.($. Nova Scotia. Lieut. Redman. 



d-g. $ . N. America. 



81. Dolerus thoracicus*. 



Tenthredo thoracica, Beauv. Ins. Afr. Amir. p. 07, pi. ix. fig. 3 



(1805). 

 Dolerus arvensis, Say, Long's Second Exped. ii. p. 819, n. 2 (1821) ; 



Nort. Trans. Amer. Ent. Soc. i. p. 235 (18G7). 

 Dosytheus arvensis, Nort. Proc. Bost. Soc. viii. p. 151 (1861). 



Hab. North America. 



a, 6.$. Nova Scotia. Lieut. Redman. 



c. 2 • New York. E. Doubleday. 



d-h. 5 • N. America. 



82. Dolerus sericeus. 



Dolerus sericeus, Sag, Long's Second Exped. ii. p. 320, n. 3 (1824) ; 

 Nort. Proc. Bost. Soc. viii. p. 151, n. 1 (1861) ; id. Trans. Amer. 

 Ent. Soc. i. p. 235, n. 3 (1867). 



Hab. North America. 



* Probably the female of the preceding species. 



