376 INSECTA, 
to that of the preceding subgenus, but the seta is sometimes plu- 
mous*. 
The sixth division, that of the LErropopirss, is remarkable for the 
length and tenuity of the legs, the two last being at least twice the 
length of the body, which is also slender and filiform ; the two first are 
distant from the others ; all the tarsi are short. The head is spherical 
or ellipsoidal, and terminates in a point; its length equals or surpasses 
its transverse diameter. ‘The termination of the abdomen is pointed 
in the females, and clavate in the males. The antenne are -very 
small, and are inserted on the front. These Muscides are found on 
plants, and several frequent aquatic localities. In the 
Micropeza, Mergq., 
Which I formerly distinguished by the name of Calobates, the head 
is ellipsoidal and terminates in a point; the last joint of the antenne 
semi-orbicular, and the seta simple. The space which separates the 
anterior legs from the others is more apparent here than in the fol- 
lowing subgenus. 
M filiformis; Calobata filiformis, Fab. ; Schell., Dipt., VI, 1. 
Blackish ; abdominal annuli margined above with whitish ; legs 
fulvous, with a black ring round the posterior thighs. In the 
woods about Paris. To this species M. Meigen refers the Musca 
corrigtolata of Linnzeus, which is also a Fabrician Calobatat. 
In 
Catospata, Meig., Fab., 
Or my Micropeza, the head is spheroidal, and the last joint of the 
antenna, more elongated than in the preceding subgenus, is almost 
triangular and rounded at the end; the seta is frequently plumous f. 
Our seventh division of the Muscides, that of the Carpomyz#, so 
called because the larvee of several species feed on fruits and seeds, 
in the germ in which the mother had deposited her eggs, is charac- 
terized as follows : wings turned up or distant when at rest, and sus- 
sceptible in that state of a reiterated vibratile motion, or of being al- 
ternately raised and depressed, and spotted or dotted with black or 
yellowish ; a port generally analogous to that of the common Fly ; but 
the eyes are always distant, and the halteres exposed; the abdomen 
exhibits from four to five rings exteriorly, and frequently terminates, 
in the females, in a hard, cylindrical, or conical point, which acts as 
* Lat., Gener. Crust. Insect., 1V, 349. This subgenus should be re-examined. 
Some of the species may be referred to Sepedon.—S. rufa, rufipes, Fab.—and others 
will form separate subgenera. Some of them are connected with Oscinis and 
Dryomyza. : :. 
+ Lat., Ibid., 352; Meig. Dipt. According to the figure given by M. Wie- 
demann, of a species of Nerius (fuscus, Anal. Entom., 1), Fab., these Insects must 
have a general resemblance to the Micropezz, but are removed from them by their 
antenne, almost as long as the head, of which the second joint is At least as long as 
the third ; the latter is almost orbicular, a little longer than it is wide. It is evident 
then, that this genus is connected with Tetanocera, just as the Calobate of Meigen 
lead to Sepsis, which I had united to the preceding ones under the common name of 
Micropeza. Here the wings are vibratile, which leads us to the Cephalia, Ortalis 
and Trypeta of Meigen, that present the same characters. 
t See Meigen. 
