76 INSECTA. 
never longer than half the body, here, terminate in an arcuated club, 
or are evidently larger at the extremity, and there, from the second 
joint, form a short, cylindrical, or almost fusiform stem, 
They form the genus Mylabris, of Fabricius. 
Those, in which the two or three last joints of the antenne are 
united, at least in the females, and form an abrupt, thick, ovoid, or 
globuliform club, the extremity of which does not extend beyond the 
thorax, and in which the total number of joints in these organs is 
then but from nine to ten, form the subgenus 
Hycrevus, Lat.—Dices, Dej.—Mytasris, Oliv.* 
Those, in which these same crgans, proportionally larger, present in 
both sexes eleven very distinct and well separated joints, gradually 
enlarge, or only terminate regularly in an elongated club, and of 
which the eleventh or last joint, well separated from the preceding 
one, is larger and ovoid, constitute the 
My.asais, Fab. Oliv. Lat., 
Or our Mylabris properly so styled. The respective length of the 
antennz Varies slightly, and these modifications have an influence on 
the form of their joints, and principally the intermediate ones. These 
considerations appear to have induced M. Megerle—Dejean Cata- 
logue, &c.—to form certain species into the genus Lydus ; but two 
of those which he places there—algiricus, trimaculatus—present to 
us a much less uncertain and more decided character: the inferior 
division of the hooks of their tarsi is pectinated, while in the other 
Mylabres it is simple. 
M. chicori, L.; Oliv., Col, III, 47, I. a, b, c. d, e. Length 
from six to seven lines; black; pilose; an almost round yellowish 
spot on the base of each elytron, and two transverse and indented 
bands of the same colour, one near their middle, and the other 
before their extremity; antennee entirely and constantly black, 
I have occasionally found this species in the vicinity of Paris, 
but it is much more common in the south of France and other 
southern parts of Europe. Its vesicating properties are quite as 
active as those of the Cantharides of the shops. In Italy it is 
mixed with the latter, or even used alone. The Chinese employ 
the M. pustulatus—Oliv., Ibid., I, f. and II, 10, b f. 
Cinas Lat. Oliv.—Me nor, Lin.—Lytra, Fab. 
These insects seem to form the passage from the Mylabres te the 
following Heteromera. Their antennze, the length of which is hardly 
* Mylabris impunctata, Oliv., Encye. Méthod.;—M. argentata, Fab. ;—M. lunata, 
Fab. ;—WM. Bilbergii. Schcenh. 
+ For the other species see Encye. Méthod., article Mylabre; Schoenh., Synon. 
Insect.; and Fischer, Entomog. Imp. Russ., II, xli, and xl, 5, 8—but these 
synonymes, notwithstanding the excellent Monograph of Bilberg, require a re- 
examination, 
