HYMENOPTERA. 357 



3. SERICOPHORUS RELUCENS. B.M. 



Female. Length 3 lines. Black: the front with a fine golden 

 pile, that on the cheeks silvery ; the flagellum of an orange- 

 yellow beneath ; the mandibles ferruginous, palest at their base. 

 The prothorax posteriorly ferruginous, with an interrupted trans- 

 verse pale yellow line; the scutellum, post-scutellum, tegulse 

 and legs ferruginous ; the coxae, trochanters, and extreme base 

 of the femora black ; the hinder margin of the mesothorax with 

 a little golden pubescence; the metathorax has an enclosed 

 portion at the base above, which is covered with thin golden 

 pile ; at the base of the metathorax is a transverse deep channel, 

 from which a broad deep one runs downwards to the insertion 

 of the abdomen ; the wings hyaline, the nervures ferruginous. 

 Abdomen covered with a rich effulgent golden pile, the segments 

 in certain lights exhibiting angular silvery patches of pubescence; 

 the apical margins of the segments narrowly rufo-piceous ; the 

 apical segment ferruginous ; beneath smooth and shining, with 

 a few scattered punctures. 



Hab. Australia (Adelaide). 



Genus 6. PALARUS. 



Crabro, pt., Fabr. Spec. Ins. i. 470. 

 Philanthus, pt., Fabr. Syst. Piez. 304. 13 (1804). 

 Palarus, Latr. Hist. Nat. xiii. 74. 

 Gonius, Jurine, Hym. 205 (1807). 



1. PALARUS FLAVIPES. B.M. 



Crabro flavipes, Fabr. Spec. Ins. i. 470 ; Mant. Ins. i. 295. 8. 



Rossi, Faun. Etrus. Mant. i. 136. 301. 



Oliv. Encycl. Meth. vi. 513. 10. 

 Philanthus flavipes, Fabr. Ent. Syst. ii. 290. 7 ; Syst. Piez. 304. 13. 



Panz. Faun. Germ. 84. 24. 



Palarus flavipes, Latr. Hist. Nat. xiii. 74. t. 14. f . 1 <J ; Encycl. 

 Meth. viii. 651. 3; Gen. Crust, et Ins. iv. 74. t. 14. f. 1. 



Desm. Diet. Sc. Nat. i. 251. 



Guer. Diet. Class, xii. 607- 



Van d. Lind, Obs. i. 20. 1. 



Dahlb. Hym. Europ. i. 124. 60. 



St. Farg. Hym. iii. 232. i. t. 27- f. 4 <? . 



Sauss. Mem. Soc. Phys. Geneve, xiv. fasc. i. 13. 

 Gonius flavipes, Jurine, Hym. 205. t. 10. gen. 24 <J . 



Panz. Krit. Revis. ii. 178. 



Hab. France ; Italy ; Spain ; Germany. 



