432 HYMENOPTERA. 



Stigmus, Latr. Gen. Crust, et Ins. iv. 84 (1806). 

 Cemomis, Jurine, Hi/m. 214 (1807). 

 Dioclontus, Curtis, Brit. Ent. ii. 496 (1836). 



1. DiOUONTUS MINUTUS. B.M. 



Crabro miniitus, Fnbr. Ent. Syst. ii. 302. 32, 

 Pemplu*e<lon minutus, Fabr. Syst. Piez. 316. 9. 



Van d. Lind, Obs. ii. 7'^- '2. 



St. Farg. Hym. iii. 96. 2 ? (non <? ). 

 Sphex pallipes, Panz. Faun. Germ. 52. 22? 

 Cemonus uiinutus, Jurine, Hym. 214. 

 Stigmus miuutus, Loir. Gen. Crust, et Ins. iv. 84. 

 Diotlontus minutus, Curtis, Brit. Ent. fol. 496. 



Shuck. Foss. Hym. 185. 1, 



Df'hlb. Hym. Europ. i. 2.52. 152. 



Wesm. Hym. Foss. Belg. 121. 2. 



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

 Denmark. 



2. DiODONTUS TRISTIS. B.M. 



Pemphredon tristis, Van d. Lind, Obs. ii. "JQ. 1. 

 Diodontus tristis, Shuck. Foss. Hym. 187. 3. 



Dahlb. Hym. Emop. i. 249. 149. 



Wesm. Hym. Foss. Belg. 120. 1. 

 Diodontus pallipes, Dahlb. Hym. Europ. i. 250. 151. 



Hab. Britain; Germany; Belgium; Sweden. 



3. Diodontus luperus. B.M. 



Diodontus luperus, Shuck. Foss. Hym. 186. 2. 

 Dahlb. Hym. Europ. i. 254. 153. 



Hab. Britain; Germany. 



4. Diodontus medius. 



Diodontus medius, Dahlb. Hym. Europ. i. 250. 150. 

 Hab. Sweden. 



Genus 11. CERATOPHORUS. 



Pemphredon, Van d. Lind, Obs. ii. 82 (1829). 

 Ceratophorus, Shuck. Foss. Hym. 198 (1837). 



