OCR Text |
Show 312 INSECTA. anterior legs from the others, is more apparent here than in the following 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 corrigiolata of Linn reus, which is also a Fabrician Calobata( 1 ). In CALOBATA,. Meig. Fab. Or my Micropeza, the head is spheroidal, and the last joint of the antennre, more elongated than in the preceding subgenus, is almost triangular and rounded at the end; the seta is frequently plumous(2). Our seventh division of the Muscides, that of the CARPOMYzJE, so called because the larvre of several species feed on fruits and seeds, in the germ of which the mother had deposited her eggs, is characterized as follows: wings turned up or distant when at rest, and susceptible in that state of a reiterated vibratile motion, or of being alternately 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 abdo· men exhibits from four to five rings exteriorly, and frequently terminates, in the females, in a hard, cylindrical, or conical point, which acts as an ovipositor; the antennre are always short, en palette, and their seta is rarely pilose. Several species approach those of the last subgenera in thenar-row and elongated form of their body, the length of their ]egs, their bead more globular or elongated than in the other Carpomyzre, where its form is hemispherical. These elongated species constitute three subgenera(3). (1) Lat., Ibiu., 352; Meig., Dipt. According to the figure, given by M. Wiedemann, of a species of Neriw1 (juscus, Anal. Entom., 1 ), Fa b., these Insects must have a. general resemblance to the Micropezre, but are removed from them by their antennre, 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 Calobahe of Meigen lead to Sep$is, which 1 had united to the preceding ones under the com· mon name of Micropeza. Here the wings are vibratile, which leads us to the Cepltalia, Ortalis and Trypeta of Meigen, that present the t;ame characters. (2) See Meigen. (3) According to Meigen, two of these subgenera, Cephalia and Sepsis, have but four apparent abdominal annuli, whilst the following subgenera, Platysoma excepted, exhibit five. DIPTERA. 313 DxoPsxs, Lin. Fab. 1A lsdo called Mouchea a lunette a, on account of the' . p ace at the extremity of two 1 t 1 . 1r ~yes bemg longations of the head. the ant a et•a ' ~tstant, and cylindrical pro- 1 • ' ennce are mserted bene tl T te lum IS terminated by two s . . a 1 • he scu-which M. Dalman has given us pmes. d These smgular Diptcru, of 1-are foreign to Europe. a goo Monograph-Anal. E!ltom. thoBruaxt feawn ds pecies are k nown; one of them is red with a black wings;' it is ;o~~~t i~f ~~~n~~t=~dco~~~:ga\ th\ exhtremity ~f the specimen f th" . a· ave rece1ved a T . o Is specles from the liberality of my friend C oussehn, who obtained it fr·om Sene I ount describes five of them, calls it apicalis, ga • M. Dalman, who CEPHALIA, Meig. Where the palette of the antennre is narrow most linear, with a pubescent seta. the ~ , elongated, and al-siderably prolonged and without s~t • ore-pat:t of the head is conin the manner of a spatula( I). re, the palpt are strongly dilated SEPSIS, Fall. Meig.-Ten-rh ritia' Fab· -M:"tc ropeza, Lat. Where that palette is much shorter and . . . . a simple seta; the anterior art of tl h semt~elhptlcal, and has is covered with setre· th ~ . lle ead proJects but little and d ' e pa p1 are a most filiform d · 1 gra ually increase in thickness. ' an sunp y and 8. cynipaea; Musca cynip e L v black and loss • 8 a, · ery small; cupreous-a black ? t y, head black; coxre and anterior legs fulvous· pom near the extremity of th . I ' strong odour of Balm and . ~ d . e wmgs. t diffuses a and flowers· . . lS oun m great numbers on leaves The othe C ' Its wmgs are constantly but slowly vibrating(2). r apromyzre have the port t' . . hemispherical head t . 1 • o common Fhcs, a short legs. ' rlangu ar or comcal abdomen and moderate So me t"l mes the superior plane of the head is almost horizontal or (1) Meig., Dipt. XLVII 10 (2) For the othe; specie' -M16 .. See the genus Calobata, Fab. s, see etgen. VoL. lV.-2 p |