428 HYMENOPTERA. 



Genus 8. PEMPHREDON. 



Crabro, pt., Fabr. Ent. Syst. ii. 293 (1793). 

 Spliex, pt., Panz. Faun. Germ. 52 (1804). 

 Pemphredon, Lair. Hist. Nat. Ins. xiii. (1805). 

 Cemonus, Jiirine, Hym. 214 (1807). 



I 



1. Pemphredon lugubris. B.M. 



Crabro lugubiis, Fabr. Eat. Syst. ii. 302. 30. 

 Sphes unicolor, Panz. Faun. Germ. 52. 24. 

 Cemonus unicolor, Panz. Krit. Revis. ii. 187. 



J urine, Hym. t. 11. gen. 28. 

 Cemonus lusubris, Jurine, Hym. p, 214. 



St.Faiy. l-]ym.m.9A. 1. 

 Pemphredon lugubris, Lutr. Hist. Nat. xiii. 325. 



Fabr. Syst: Piez. 3\5. 2. 



St. Fury, c)- Sero. Encycl. Meth. x. 48. 1. 



Van d. hind, Obs. ii. 80. 4. 



Shuck. Foss. Hym. 196. 1. 



Dahlb. Hym. Europ. 259. 159. 



Zett.Ins. Lapp. 441. 1. 



Wesm. Hym. Foss. Belg. 118. 1. 



Hab. Britain; France; Germany; Belgium; Sweden; Norway. 



2. Pemphredon luctuosus. B.M. 



Pemphredon luctuosus, Slivclc. Foss. Hym. 197. 2^. 

 DaUb. Hym. Europ. i. 258. 158. 



Hab. Britain. 



This is in all probability a variety of the male of lugubris, the 

 only difference being that the ridge which encloses the subcordi- 

 form sjjace at the base of the metathorax is smootli and shining, 

 whereas it is usually obliquely striated; but every degree of 

 approach to smoothness is to be met with. No example of the 

 female has occurred with the smooth limbus, although many 

 hundreds have been examined. 



3. Pemphredon montanus. 



Pemphredon montanus, Dahlb. Hym. Europ. i. 262. 160 $ <J . 



Hab. Italy ; Norway ; Lapland. 



