PELOPGEUS.— CHALYBION. 25 



Pelopceus assimilis, Dahlbom, Hymen. Eur. i. p. 23. 



Pelopoeus annulatus, Cresson, Proc. Ent. Soc. Phil. 1865, p. 135 2 . 



Hab. North America. — Mexico, Tampicp 1 , Cordova *, Orizaba 1 . — South America, 

 Brazil, Chili, Patagonia ; Antilles, Cuba 2 . 



v 3. Pelopoeus histrio. (Tab. II. figg. 11 ; 11 a, d .) 



Pelopceus hisirio, Lepel. de St.-Eargeau, Hist. Nat. Ins., Hymen, iii. p. 316. 

 Pelopeus histrio, Saussure, Reise d. Novara, Hymen, p. 32 \ 

 Pelopceus bimaculatus, Lepel. de St.-Fargeau, loc. cit. p. 319. 

 Pelopceus fistularius, Dahlbom, Hymen. Eur. i. p. 23. 



Hab. Mexico \ Atoyac in Vera Cruz (Schumann) ; Guatemala, El Reposo, Pantaleon, 

 San Geronimo, Panzos in Vera Paz (Champion). — South America \ Cayenne, Brazil. 



CHALYBION. 



Chalybion, Dahlbom, Hymen. Europ. i. p. 21 (1845). 



i. Wings dark-violaceous ; body covered with black hair. 

 1. Chalybion cseruleuni. 



Sphew carulea, Linnaeus, Syst. Nat. i. p. 941. 



Pelopeus cosruleus, Saussure, Reise d. Novara, Hymen, p. 26 \ 



Chalybion caruleum, Pattern, Proc. Bost. Soc. Nat. Hist. xx. p. 378. 



Hab. North America, Middle and Southern States x . — Mexico, Cordova l , Jaral in 



Guanajuato (Schumann). 



** 2. Chalybion zimmermanni. (Tab. II. figg. 12 ; 12 a, s .) 



Pelopceus zimmermanni, Dahlbom, Hymen. Eur. i. p. 22 1 ; Patton, Proc. Bost. Soc. Nat. Hist. xx. 



p. 379. 

 Pelopeus zimmermanni, Saussure, Reise d. Novara, Hymen, p. 26 2 . 



Hab. North America, Carolina 1 . — Mexico, Ventanas (Forrer), Cordova 2 , Michoa- 

 can 2 , Valladolid in Yucatan (Gaumer). 



C. (Pelopeus) californicum, Saussure (Reise d. Novara, Hymen, p. 26), is no doubt 

 identical with this species. 



ii. Wings pellucid, smoky at the apex; body covered with cinereous hair. 



^ 3. Chalybion aztecum. 



Pelopeus aztecus, Saussure, Reise d. Novara, Hymen, p. 26 \ 



Hab. Mexico, Atoyac in Vera Cruz (Schumann), Tampico 1 , Jalapa 1 , Michoacan 1 , 

 Teapa in Tabasco (H. H. Smith). 



biol. centr.-amer., Hymenopt., Vol. II., November, 1888. eb 



Y', 



