458 HYMENOPTEKA. 



strongly and coarsely punctured ; the prosternum shining, obscurely punctured. Meso- 

 notum not so strongly punctured as the pronotum, the centre more finely than the sides ; 

 mesopleurae and sternum coarsely punctured. Metanotum almost impunctate, except 

 at the sides ; median segment with scattered, shallow, indistinct punctures ; meta- 

 pleurae excavated, impunctate. Abdomen glabrous above ; the ventral surface (espe- 

 cially at the apex) bearing long black hair and finely punctured ; the upper surface 

 obsoletely punctured. Legs stout, covered with pale hair, which is longest on the 

 coxae ; the latter are punctured. The pro- and mesothorax have coppery tints ; the 

 metathorax has a decided bluish tinge. 



Subfam. ELAMPIFJE. 



Seven genera are recorded by Aaron from North America as belonging to this sub- 

 family ; but three only are known to me from our region. 



NOTOZUS. 



Notozus, Forster, Verh. Ver. pr. Rheinl. x. p. 331 (1853) ; Aaron, Trans. Am. Ent. Soc. xii. p. 217 

 (1885). 



Eight North- American species of this genus are known. 

 1. Notozus nitidus. (Tab. XX. figg. 3, 3 a.) 



Notozus nitidus, Aaron, Trans. Am. Ent. Soc. xii. p. 218 1 . 



Bab. Noeth Ameeica, Montana and California \ — Mexico, Presidio (Forrer). 



HEDYCHRUM. 



Hedychrum, Latreille, Hist. Nat. Crust, et Ins. iii. p. 317 (1802) ; Aaron, Trans. Am. Ent. Soc. xii. 

 p. 222 (1885). 



A widely distributed genus. 



1. Hedychrum violaceum. 



Hedychrum violaceum, Brulle, Hist. Nat. Ins. Hymen, iv. p. 51 ; Norton, Trans. Am. Ent. Soc. vii. 



p. 238 ; Aaron, Trans. Am. Ent. Soc. xii. p. 223 \ 

 Hedychrum asperum, Brulle, Hist. Nat. Ins. Hymen, iv. p. 52; Norton, Trans. Am. Ent. Soc. vii. 



p. 238. 

 Hedychrum wiltii, Cresson, Proc. Ent. Soc. Phil. iv. p. 305 ; Norton, Trans. Am. Ent. Soc. vii. p. 237. 

 Hedychrum Louisiana, Norton, Trans. Am. Ent. Soc. vii. p. 237. 



Eab. Noeth Ameeica, United States \ generally distributed. — Mexico l . 

 According to Aaron this is a very variable species. 



HEDYCHRIDIUM. 



Hedychridium, Abeille de Perrin, Ann. Soc. Linn, de Lyon, xxxvi. p. 35 (1879) ; Aaron, Trans. Am. 

 Ent. Soc. xii. p. 221 (1885). 



This genus (or subgenus) merely differs from Hedychrum in the claws having a small 



