OCR Text |
Show INSECTA. 196 . . •d .. the anal feet ar e ;,.a nting, while all erfectly unique m thts ~~ et . . s have sixteen. . P f h three precedmg scchon H IALITES, 1s the genus those o t c of the first section, that of theb .E~us and the Cossus of The type ) of Fa r1c1 ' . Hepw. lu s (Henr iolus of some authorrsa re an d r emain concealed m the 1 r d The caterpillars are ' . coon is most y 10rme the sam£ eh. lants on which they feed; thelhr cmo The margin of the hearto t e P rishes t e · T of parti. el es cf the matter that ru ou. dentat ed or spinous. he an· ab d om.m a1 annuli of the cth ryes aa lIwS alyS s sh ot· t , and most frequehn tlTy hp re· f tl e perfect lnsec ar d d nd crowded teet • ose ten~~:t o~e sort of small, short, r.ou~e~ b; a simple thread; but they soefn t he P • others are always termmla 'tl a double line of setre. 10UI • t1 e ma es Wl 1 l'h f ·shed inferiorly m 1 are urm . short an d but slightly apparen·t . 1 e boscis is always vet Y ' d The last abdomma an· The pro lly elongate · 'l Th . re tectiform and usua d . duct or sort of tal . e wm1gs a J' n elongate ovl 1 k' d f nu . f the females lorm a . 'urious to severa m s o 1 o Insects are very lDJ caterpillars of these ble roductions. t ·ees and othet• useful vegeta p . 'larly formed in both sexes, 1 re almost s1m1 Sometimes the antenn ' d . n one or two lines. have but very short teeth, arrange 1 HEPIALus, Fab. lar an tennre, which are much Distinguished by their almo.stfgr.anuwings are usually destitute of shorter than the t h orax. The m er10r a bridle. . . the round and feed on the roots of plants. The caterpillars hve m g •x of Eng. Ins., IV, a-d. The H. ltumuli, Fab.; Harr., E p., '1 -white and immaculate; . . s of the males are 51 ver supenor wmg with red spots. those of the female yellow f the Hop and is extremely . 1 d ours the root o ' . It' The caterpll ar .ev . th t plant is extenstvely cu 1• noxious in those dlstncts where a vated(l). Cossus, Fab. 1 as the thorax, present on their Where the ~ntennre, at least as ong d th short and rounded at 1. nner s1'd e a range of small, lamellate tee ' ' theT ehned .c aterpi. llars 1' . the interior of trees, on which they feed; l ve m b . . s Esper, Engramelle, Ifu'b ner' Godart, ( 1) For the other species, see Fa 1'1CIU , Donovan, &c. LEPIDOPTERA. 1.97 t11C cut fragments enter into the composition of their cocoon • . The chrysalis, at the moment the Insect is about to be developed, advances to the mouth of the aperture through which it is to issue. C. ligniperda, Fab.; Rres., Insect. I, class II, Pap. Noct. XVIII. Rather more than an inch in length; cinereous-grey with numerous, small, black lines on the upper wings, forming little veins, mixed with white; posterior extremity of the thorax yellowish, with a black line . The caterpillar, which is found in the spring, resembles a thick worm; it is reddish, with transverse bands of blood-red. It lives in the heart of the Willow and Oak, but particularly in the Elm. 1t disgorges an acrid and fetid humour, contained in spacious internal reservoirs, which it uses apparently to soften the wood( I). STYGIA, Drap.-Rombyx, HUb. Where the antennre are furnished throughout their whole length with a double series of short, narrow teeth, dilated and rounded at the end(2). Sometimes the antennre vary greatly-according to the sex; those of the males are furnished inferiorly with a double range of hairs, .and terminated by a thread; those of the females are entirely simple, but cottony at base. ZEUZERA, Lat.-Cossus, Fab. The caterpillar of a beautiful species-Cossus tesculi, Fab.with a white body, blue rings on the abdomen, and numerous points of the same colour on the superior wings, lives in the Apple and Pear trees, &c., and frequently in their. very ~art(3). Our second section, that of the BoMBYOITEs, is distinguished from _the preceding one and the third, by the following characters: the (1} Add Oosam teretra, Fab.;-Pluzlama stria:, Cramer;-Ooaaualituratua, Dono. orap.n c;i-t.0 . .n!le.mbu. lEoadu.a], Donov. [For American species, see llois· Duval and Le Conte, (2} Stygia australia, Lat., Genet•. Crust. et Insect., IV, 215; Godart, llist. Nat. des Lepid. de }'ranee, III, 169, x:x:ii, 19. See also the Memoir of Villiers, already mentioned, in the Ann. de Ia Soc. Lin. de Par., V. North America produces ano. ther specie~. The antenna: differ from those of a Cossus, so that this subgenus may be retamed; the abdomen terminates in a little brush. (3) Ra:s., Insect., lli, xlviii, s, 6;-0oaam pyrinus, Fab.; 0. sea/aria, ejusd.; Phakna acalaria, Donov. ;-P. mincua, ejusd. |