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Show - INSECTA· 218 Their wings are usually briJ.. 'vith the first budding of the Oak. h.a nt. .!J.l 't De(1'eerella, F a b .,• De Geer, lbn sde ct., Id, .fJ. Degeerella; uct a o . 1 ngth of the o y an · thnce the e · ld xxx.u. , 13 . The a.n tennre tion blac k ; s uperior wmgks go . hen - h'tish the infertor por . 1 gitudinal strea s, Wlt a w 1 , d formmg on . . 1 t ye1 1 o W on a black groun ' sverse b an d ' margined w1th v1o e ·. d olden-yellow, tran lla Fab. Black; supen.or broa ' g ll • .!J.Zucita Reaumure ' .fJ. Reaumw·e a, 1) .• s golden and immaculateN( .t rnal Lepidoptert\, that ofthe wmg . fthe oc u d' The tenth and last se~tiOn o is closely related to the prece mg ExssiPENN..£ (Pterophontes,h Lat.r)r,o w an d e1 o n gated form of the body one, so f ar as relates t.o t e noav ed from 1't ' as well as from . all oth·e rs an d upp er wings, but 1s rem· gs or at 1e as t two ' being spht longttud-f this ordet· by the four wm ' fingers with fringed edges, an o of branches or f B' d dinally in the manner . s resemble those o tr s. res embling feather.s . d tThheese w Lempg1' d op tera in his division of the Pha· Linnreus comprise them Phalcenre-tipulce. ZceniE alucitre, De. Geer calls and Fabricius, they constitute the subWith us, as With Geoffroy genus PTEROl'HORUS· 'liars have sixteen feet, an d live on le. aves or flowers The caterpi without constructing a tube. 1 . recurvecl from their origin, are S mctimes the inferior pa pl are d t longer than the head. 0 • h r ttle scales, an no . h t'rely covered wit 1 f Latreille. Thetr c ry- eTnh~y form the genus Pterophorus p~oper ~ttle tubercles, sometimes d with hatrs or 1 salides are exposed, covere . fixed to a bed of silk on 1e aves, th ead and sometimes suspended by a r ' . hooks of the abdomen. &c by means of the termmal I t I Class IV, Pap. Noct., . , p pentadactylus, Fab.; Rces. ~seed.! i'decl into two slips, and v. ·S now-white w.m gs; the superior 1v the inferior into tbree(2).. . longer than the head, and Sometimes the inferior palpl proJect,dar:vith scales, and the last have the secon d J. o int uensely covere h of the genus Pltycl·s , ·m the Magas. . b see the Monograp the preccdmg su genus, 223· and der Entom., Ill, of Germat·. L t Gener. Crust. et Insect., IV, ' (1) See Fab., En tom. Syst., Supp.; a ., al HUbner, Tinea:, XIX. . f Fabricius, the hexadactylu8 excepte d. See so (2) The other Pteropborl o Hubner and De Geer. LEPIDOPTERA. 219 almost naked and turned up. The chrysalis is enclosed in a cocoon of silk. Latreille distinguishes these species by the generic appellation of 0RNEODES( 1 ). ORDER XI. RHIPIPTERA. This order was established by M. Kirby under the name of Stresipte1·a (twisted wings), on certain Insects remarkable for their anomalous form and irregular habits. From the two sides of the anterior extremity of the trunk, near the neck and the exterior base of the two first legs, are inserted two small, crustaceous, movable bodies, in the form of little elytra, directed backwards, that are narrow, elongated, clavate, curved at the extremity, and terminate at the origin of the wings(2). As elytra, properly so called, always cover the whole or the base of the latter organs and arise from the second segment of the trunk, these bodies are not true wing. cases, but parts analogous to those (pterygoda) we have already observed at the base of the wings in the Lepidoptera . The wings of the Rhipiptera are large, membranous, divided by longitudinal and radiating nervures, and fold longitudinally in the manner of a fan. The mouth consists of four pieces, two of which, the shortest, appear to be so many biar- (1) P. hezadactylua, Fab.; the PUroplwre en lventail of Geoffroy. See Lat., Gen. Crust. et Insect., IV, p. 234 and 235. [See also for American species generally, Bois-Duval und Le Conte, op. cit. .IJ.m.Ed.] (2) The prebalancierB, Lat. |