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Show 464 INSECTA.. Some othe•r s, but in which the• five last joints are alone per~'ao 1•ta te and form a httle club, also constitute a separate genus, that of Pen. taphyllus( 1 ). Other Insec~s of this tr.ibe, whos~ a~ten~re gradually enlarge and are almost entirely perfohate, are d1stmgutshed from Diaperis and Phaleria by the linear form of their body, and their thorax, which forms a long square or is almost cylindrical. They are the HYPOPHLJEus, Fab.-lps, Oliv. They are found undet· the bark of trees(2). There, the antennre, exposed at base or but very slightly covered are abruptly terminated by a large oval or ovoid perfoliate club of at least four joints, the second of which, in those where it consists of five, is very small. The body is ovoid, or almost hemispherical, and convex. In TRAOHYSOELrs, Lat. Dej. The antennre, hardly longer than the head, terminate in an ovoid club of six joints; all the tibire are broad, triangular, and fitted for digging, and the body short and most usually hemispherical. They bury themselves in the sand on the sea shore(3). LEronEs, Lat.-Anisotoma, Illig. Fab. The body similarly short and convex; but the antennre, as long as the head and thorax, are terminated by an oval club of five joints, the second of which is smaller. The tibire are narrow, elongated or but slightly dilated; the four anterior ones, at least, are spinous(4). TETRATOMA, Herbst. Fab. The body somewhat more elongated than that of the preceding Insects, ovoid, less elevated above; all the tibire narrow and without rate subgenus. The T.ferruginea, Fab., also appears t.o constitute another by its antenna:, which abruptly terminate in a perfoliate club of three joints, the pre· ceding ones being very small and granose. ~1) Sec Catalogue, &c., Dej., and Dahl., and for the other species, Fabricius, Olmer, and Gyllenhal. (2) Hypophlreus castaneus, F'ab.; Panz., Faun. Insect. Germ., XII, 13;-H.litUaris, Fab.; Panz., lb., VI, 16;-H.fasciatus, Panz., lb., V1, 17;-H. bicolor,Fab.; Panz., lb., XII, 14;-H. pini, lb., LXVII, 19. In Hypophlreus and Eledona, ll. Leon Dufour found but four biliary vessels; in Diaperis there are six. (3) Lat., Gener. Crust. et Insect. IV, p. 379. (4) ~at., Ibid., If, p. 180;-the Anistomre humerale, a:xillare, ca8taneum, qrbietl" iare, ptaeum, ferrugineum of Gyll., Insect. Suec., I, ii, p. 180, and I, et seq. COLEOPTERA.. 465 spines; the antennre as long as the head and thorax and terminated . by an oval club of four joints(!). ' Sometimes th~ ~ntennre, always terminated by a perfoliaceous club of five or three JOmts, the preceding ones of which are almost in the form of a reversed cone, or slightly dilated on the outer side in the manner of a tooth, are arcuated, or somewhat curved. The body is ovoid, very unequal above, or the elytra are deeply punctured and striated. The thorax is depressed laterally, and the edges of this marginal border are dentated; it is separated posteriorly on each side by a remarkable hiatus. The pal pi are filiform, or slightly enlarged at the extremity, as in Phaleria and Diaperis. The head of the males is frequently horned. They are also found· in the fungi on trees: they form the genus ELEDONA, Lat.-Boletophagus, Fab., and most others. M. Ziegler and Count Dejean only refer to it those species in which the club of the antennre is formed by the last five joints, and the preceding ones are slightly securiform(2). Those, in which the three last alone form the club, and the three preceding ones, are in the form of reversed cones, without an interior projection, compose the genus CoxELus(3). Our second tribe of the Taxicornes, the CossYPHENEs, consists of Insects analogous in form to the Peltis of Fabricius, and to several Nitidulre and Cassidre : it is ovoid or sub-hemispherical, and overlapped in its contour by the dilated or flattened sides of the thorax and elytra ; the head is sometimes entirely concealed under that thorax, and at others received into an anterior emargination of the same part. The last joint of the maxillary palpi is larger than the preceding ones, and securiform. This tribe is composed of the genus CossYPHus, Oliv. Fab. Some of them have a flat body, of a solid consistence, in the form of (1) La.t., Gener. Crust. et Insect., II, p. 180, and I, ix, 10. See Fab. and Gyl- ~~ . (2) See the Catalogue, &c., Dej., p. 68; but refer my Eledona spinosula to the genus Coxelus. (3) Catalogue, &c., Dej., p. 67. The Cis, in a natural ot·der, seem to approach these Insects. v OL. III.-3 I |