56. NEMATUS. 127 



176. Nematus continuus. 



Nematus continuus, Eversm. Bull. Mosc. xx. p. 19, n. 20 (1847). 

 Hah. Kasan. 



177. Nematus per spirillar is 



i 



Hah. Germany. 



Nematus perspicillaris, Hart. Stett. ent. Zeit. i. p. 24 (1840) ; Ratz. 

 Forst-Insekt. iii. p. 126, pi. iii. fig. 5 (1844). 



178. Nematus approximatus. 



Nematus approximatus, Forst. Verh. Ver. Rheinl. xi. p. 320, pi. vi 

 fig. 32 (1854). 



Hah. Aix-la-Chapelle. 



179. Nematus immaculatus. 



Nematus immaculatus, Vollenh. Tijdschr. Ent. xii. p. 119 (1869). 

 Hah. Holland. 



180. 'Nematus salicis. 



Tenthredo salicis, Be Geer, Mem. Ins. ii. pt. 2, p. 991, n. 14, pi. xxxvii. 



figs. 12-22 (1771). 

 Nematus salicis, Thorns. Hym. Scand. i. p. 141 (1871). 



Hah. Sweden. 



181. Nematus hartigii. 



;ulse, 

 .70,; 



Hah. Europe, 



Nematus betulse, Hart. Blattw. p. 219 (1837) ; Vollenh. Tijdschr. 

 Ent. vii. p. 70, pi. iii. (1864). 



182. Nematus umbratus. 



Nematus umbratus, Thorns. Hym. Scand. i. p. 142 (1871). 

 Nematus ribesii, var. b, Thorns. (Efv. Vet.- Akad. Forh. xix. p. 634, 

 n. 44 (1862). 



Hah. Sweden, Lapland. 



183. Nematus bohemani. 



Nematus bohemani, Thorns. Hym. Scand. i. p. 143 (1871). 

 Nematus ribesii, var. c, Thorns. (Efv. Vet.- Akad. Forh. xix. p. 634, 

 n. 4 (1862). 



Hob. Sweden, Lapland, 



