—OoOor — 
DIPTERA. 32 
oy) 
Stresia, Dalm. 
Differing from Ornithomyia in the wings, which are crossed on 
the body, and of which some of the longitudinal nervures are united 
by small transversal ones. ‘The eyes are very small and situated 
on the posterior angles of the head. Ona Bat of South America(1). 
Me tornacus.—Melophila, Nitz. 
Destitute of wings, and where the eyes are rather indistinct. 
M. vulgaris; Hippobosca ovina, L.; Panz., Faun. Insect. 
Germ., LXI, 14. Reddish. It conceals itself in the wool on 
Sheep. Another species is found on the Stag(2). 
A species of Melophagus that lives on the Stag, that presents 
rudiments of wings, and whose thorax is rather wider than the 
head, forms the subgenus Liporena of Professor Nitzsch. Near 
the Melophagi should probably be placed his genus BRauLa— 
Germ. Magas. der Entom.—of which the only known species 
lives on the domestic Bee. It is figured by M. Germar, Faun. 
Insect. Eur., VI, 25, and is entirely blind. Its thorax is divi- 
ded into two transversal portions. The underpart of the last 
joint of the tarsi is furnished with a transverse range of spines 
forming acomb. Long before this, Réaumur had observed an 
analogous parasitical animal (if it be not the same), provided 
with a proboscis, on the Bee. He has figured it in his Memoirs, 
V, pl. xxxviii, fig. 1—4. 
The head of the other Pupipara—Phthiromyies, Lat.—is 
very small or almost wanting. It forms a minute, vertical 
body near the anterior and dorsal extremity of the thorax. 
They constitute the genus 
Nycrerisia, Lat.—PAthiridium, Herm. 
These Insects have neither wings nor halteres, and resemble spi- 
(1) Dalm., Anal. Entom. 
(2) Lat., Ibid., and Leach. 
