126 



TENTHKEDINTD^l. 



169. Nematus acuminatus. 



Nematus acuminatus, Thorns. Hym. Scand. i. p. 138 (1871) ; Zadd. 

 Schrift. Konigsb. xvi. p. 52 (1876), 



Hah. Sweden. 



170. Nematus melanopsis *. 



Nematus melanopsis, St.-Farg, Mon. Tenthr. p. 71, n. 215 (1823). 



Hah. Paris. 



171. Nematus dorsatus. 



Nematus dorsatus, Cameron, Ent. M. Mag. xii. p. 129 (1875) ; 

 id. Proc. N. H. Soc. Glasg. ii. p. 291 (1876). 



Hah. Britain. 



a,b. 2 • Britain. J. F. Stephens. 



c. 2 ' ' Britain. 



d. 2 • Scotland. P. Cameron, Esq. 



172. Nematus inflatus. 



Nematus inflatus, Thorns. Hym. Scand. i. p. 139 (1871). 



Nematus salicis, Hart. Blattw. p. 194 (1837). 



Nematus flaviventris, Hart. Stett. ent. Zeit. i. p. 24 (1840). 



Hah. Britain. 



a-h. $ 2 • Britain. J. F. Stephens. 



i-p. 6 2 • Germany. J. F. Buthe. 



173. Nematus notatus. 



Nematus notatus, Foist. Verh. Ver. Rheinl. xi. p. 298, pi. v. fig. 15 

 (1854). 



Hah. Aix-la-Chapelle. 



174. Nematus gracilis. 



Nematus gracilis, Gimm. Bull. Mosc. vii. p. 122 (1834). 

 Hah. Livonia. 



175. Nematus griseus. 



Nematus griseus, Eversm. Bull. Mosc. xx. p. 18, n. 18 (1847). 

 Hah. Kasan. 



* This species is represented in the British collection by N. dorsatus, Cam. 

 (compare Ent. M. Mag. xii. p. 129, xiii. p. 174) ; but in that species the vertex 

 is not black, as should be the case in JSf. melanopsis. 



