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Show 556 INSECTA. EuMOLPus, Kllig, Fab. Where the mandibles are of the ordinary size, and the second joint of the antennre is shorter than the following one. E. vitis, Fah.; Panz., Faun. Insect. Germ., LXXXIX, 12. Black, pubescent; elytra, base of the antennre, and the legs reddish- brown; very injurious to the Vine. This subgenus, through the Colaspes, and by an almost insensible transition, is connected with the genus CnRYSOMELA, When the body is usually ovoid or nearly oval, and the head salient, projecting, or simply inclined; where the antennre are simple, about half the length of the body, and most frequently granose and insen. sibly enlarged towards the extremity. Some, in which the body is always ovoid or oval and provided with wings, and the palpi terminate in a point, approach the Eumolpi, and are distinguished from the other following Chrysomelinre by their filiform antennre, which are longer than the half of the body, and consist of elongated and almost cylindrical joints, the eleventh or last of which is terminated by an appendix or false joint, the length of which is almost equal to that of the half of the preceding portion of that joint. Such are CoLASPIS, Fab. Where there is no sternal projection( 1 ). PoDONTIA, Dalm. Where the mesosternum projects in a short and conical point, the end of which is received into a posterior emargination of the prre· sternum(2). The first and penultimate joint of the tarsi is very large and strongly dilated; the second is small. The last joint of the maxillary palpi is conical. The body is oblong, depressed, or but little ele· vated, while in Colaspis it is generally short and very convex. In the following Chrysomelin::e of the same tribe, the antennre are shorter and composed of obconical joints, or are more or less almost granose and gradually enlarge towards the extremity; the false joint or appendage terminating the last is very short or indistinct. (1) See Fabricius, Olivier, Schrenherr and Germar. (2) Dalm., Ephem. Entom., I, 23. Of this number is the Chrysomela 14-punttata, Fab.; Oliv. Col., V, 91, iv, 42. COLEOPTERA. 557 The maxillary palpi of some are thicke d t trem1' t y. r an runcated at the ex - Of these there are some in which the two 1 t · · . r as Jomts of those palpi are umted and torm a truncated club· the last· h . . . ' 1s s orter than the pe-nultimate, and IS e1ther transversal or in the r f lOrm o a very sl1o t and truncated cone. r PHYLLOOHARis, Dalm. Where there is no mesosterna} projection(!). DoRYPHORA, Illig. Where the mesosternum, on the contrary adva. n · · . ' ces m a pomt or m the manner of a horn. The species of this sub . A . r genus are proper to South mertca\.2); those of the precedinn- one· 1 b' N 1 • b m 1a 1t ew Iol-land and the Island of Java. These ' of which there are b ut rte w, d'f 1 ~ fer from the pre~edin~ in their more elongated and much less ele-vate~ body, and m their antennre, the first joints of which are proportiOn~ lly shorter, thicker, and more rounded at the extremity; the second IS al~ost globular and scarcely shorter than the third. Two species are found in Spain which should form another subgen~ s-:-Cyrtonus, D~l~. As in Phyllocharis, there is no mesosterna} proJeCtiOn, but ~he JOints of the antennre are proportionally longer and more obcomcal; ~h~ body is more convex, and the thorax higher transver.s ely and pulVImform, or rounded in the m1' ddl e, w hI'l st I· ts surface Is plane or on a level in the preceding subgenera(3). Another subgenus, PARoPsrs, Oliv.-Notoclea, Marsh1 . O.f ';hie? al1 the species are exclusively proper to New Ho1land, IS d1stmgu1shed from all the others of this family by the maxill 1 . • . . . ary pa pt, t~e last JOmt of wh1ch IS much larger and securiform( 4). (1) Dalm., Ep!1~m. Entom., I, p. 20. The Chrysomelre cyanipes, cyanicornis, undt~lata, of Fabrtcms. See Olivier, Col., V, 91, iv, 50, 46, and vii, 99, 100. (2) Oliv., Col., V, continuation of No. 91, Daryplwre. See also the Insect. Spec. Nov., Germar . . (3) C/l)'ysomela rotundata, Dej., and another very analogous but striped spectes. I have re.ceived from Dr Leach a Chrysomela allied to the Doryphorre, in the male of winch the antennre present but eight joints, the two last forming a club. It constitutes his genus JJ.pamma. The Cltrysomela badia of Germar appears to form another. (4) Se~ Oliv., Col., V, 92; but we must take away the P . .ftavicans-Chryaomela flamcans, Fab.-which is a true Chrysomela. See also the Monograph of the same. genus, but under the name of Notoclea, published by M. Marsham in the Transactions of the Linnean Society. |