THE CANADIAN ENTOMOLOGIST. 10 



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blue ; tips of tibias and tarsi yellowish-white. Wings hyaline ; veins pale 

 brown. 



Hab. — Virginia. 



(8) Entedon arizoncnsis n. sp. 



$. Length. 10 inch. Head, antennas and thorax, fiery cupreous. 

 Head nearly smooth, vertex narrow ; thorax and scutellum very coarsely 

 scaly. Abdomen ovate, black, very highly polished, the second segment 

 occupying nearly the whole surface. Legs blue-black, the anterior and 

 middle pairs with metallic tingings, the posterior pair all cupreous. 

 Wings hyaline ; veins dark brown. 



Hab. — Arizona. 



(9) Entedo'i columbiana n. sp. 



$ . Length .07 inch. This species is very close to E. albitarsis, 

 and may prove to be nothing but a variety of that species. It differs, 

 however, in being much more robust, more coarsely punctate and in 

 having the trochanters, extreme tips of femora, all white, as well as the 

 tarsi, characters that will readily separate the species. 



Hab. — District of Columbia. 



Asecodes Forster. 



(10) Asecodes albitarsis n. sp. 



$. Length .08 inch. Blue-black, smooth, shining. Head and 

 thorax with a decided brassy tinge. Scutellum smooth, metallic green. 

 Antennae (?) seven-jointed, scape blue, flagellum metallic green, pilose. 

 Legs, excepting the three basal joints of tarsi which are white, all blue 

 or black. Wings hyaline ; veins brown, the postmarginal vein is slightly 

 developed. 



Hab.— (?) 



Omphale Haliday. 

 ■ (11) Omphale bicinctus n. sp. 



g. Length .09 inch. Stout, robust, cyaneous, delicately ripple 

 marked. Head large, broader than the thorax. Eyes very large, brown. 

 Antennae inserted low down on the face ; scape slender, yellow, excepting 

 a dusky streak above near the apex ; joints of flagellum black, with long 

 hairs. Legs, excepting coxae and femora which are black, all yellow. 

 Abdomen pointed ovate, slightly longer than the thorax, the second 



