290 INSECTA. 
Sometimes the antenne are shorter than the head, and terminate 
in an ovoid club. The wings are crossed on the body. 
Zopion, Lat. Meig.(1) 
There, the proboscis is geniculate near the base, and again about 
the middle, with its extremity bent underneath. The antenne are 
shorter than the head, and terminate in a palette with a stilet. 
Myopra, Fab. 
To which belongs the 
M. ferruginea, Fab. Russet, with a yellow front and blackish 
wings(2). A 
The others, Stomoxydz, Meig., in their general form, disposition 
of their wings, their palette-terminated antenne shorter than the 
head and accompanied by a seta, and in their triangular or conical 
abdomen without external appendages, resemble common Flies. 
Sromoxys, Geoff., Fab.(3) 
Where the proboscis is only geniculate near its base, and then 
advances directly forwards. 
C. calcitrans, L.; De Geer, Insect., VI, iv, 12, 13. Seta of 
the antenne pilose; body cinereous-grey spotted with black; 
proboscis shorter than the body. It bites our legs severely, 
particularly on the approach of rain(4). 
Bucentes, Lat.—Stomoxys, Fab.— Siphona, Meig. 
Where the proboscis is bi-geniculate as in Myopa(5). 
The genus Carnus of Professor Nitzsch—Insect. Epiz., Magas. 
der Entom., of Germar—which he refers to our family of the Co- 
nopsariz is distinguished from the preceding ones in the presence 
(1) Lat., Gen. Crust. et Insect., 336; Meig., Dipt., xxxvii, 1, 7. 
(2) See Fab., Lat., Meig., Fall., &c. 
(3) Messrs Lepeletier and Serville—Encyc. Méthod., X, 500—have formed a 
new genus Prosena, which they have separated from the preceding one, on account 
of its much longer proboscis—four times the length of the head—and the seta of » 
the antennz, which is bearded on both sides. 
(4) Fab., Lat. Meig., Fall., &c. 
(5) Lat., Gener. Crust. et Insect., IV, 359; Meig., Dipt., xxxvii, 18, 25. 
