( 115 ) 



?. Vagiiiiil plate siiuiolli ilistally, proNimal tlircc-fdurtlis memlinuiaccous, 

 vnj^inal orifice aiiteuiediaii. 



J/ab. Dawsmi River, (jueenslaiid (I'anianl coll.). 



In the Tring Museniu Id,! ? ex coll. Banianl, fi//>r. 



XXXin. ATUEU8.— Typiis: j,/,/jrj». 



Sjiliiii.r, Fdhricius (hou Liune, 1768), Geii. Lis. p. 273 (1777). 



Aiurnjx Walker, List Lep. Lis. B. M. viii. p. 224 (1856) (partim ; type : phiastri). 

 ILjhiicus, Grote & Rob. {nnn Hiibner, 1822), Proc. But. Soc. Phihid. v. p. ICG (1865). 

 Atreiis Grote, Howk-Moths N. Am. p. 41 (1886) (type : pleheja). 



S ? . Tougue long. Eyes lashed. Comb of pilifer normal. Fore- aud mid- 

 tibiae spinosp, spines not numerous ; two of the apical spines of foretibia long, no 

 spines on anterior surface, first segment of foretarsns with two or three long spines, 

 much shorter than the tibia, half as long again as second segment ; hiiidtibia about 

 as long as tlie first tarsal segment, spurs very long, long ajiicai one reaching end 

 of first tarsal segment ; comb of mesotarsns present, consisting of a few long bristles 

 which stand in basal fifth of the segment ; pulvillus and paronychinm present. 

 Antenna gradually tapering from middle to end, segments in ? with distinct basal 

 rows of prolonged ciliae. R- of hindwing in or before centre of cell. 



i. Tenth abdominal tergite as in Protoparce qui/iquemacidafits ; lobe of 

 sternite iiat, rounded, rather obviously sinuate (PI. XXVIII. f. 8), agreeing with 

 the sternite found in some Hijloicus. Clasper rather slender, uot dilated dorsad ; 

 harpe (PI. XXXV. f. 20) with a patch of erect scales as in Protoparce. Penis-sheath 

 as in Protoparce, with an apical horizontal tooth, which points to the right-hand 

 side. 



?. Vaginal })late semi-membranaceous, mouth of vagina very wide, its proximal 

 edge shar]), but not, or little, raised above the level of the postvaginal jiortion of 

 the plate (PI. XXI. f. 19). 



Larva green, paler above or pinkish, seven yellow side-bands, bordered black 

 or red in front ; horn with numerous black granules ; head rounded, very little 

 narrowed above, granulose all over ; thorax with dispersed granules, a transverse 

 row anteriorly on pr(jthorax and a dorso-lateral series on meso-metathorax more 

 distinct. 



Pupa : tongue-case detached, straiglit, closely applied to the breast, long, 

 reaching to the end of the antenna-case. 



Hah. Eastern parts of the Nearctic Region. 



Two species. 



An offshoot from Protoparce, or rather from a form (not yet discovered, or 

 extinct) connecting Protoparce with Hijloicua. 



88. Atreus plebeja. 



Sjihiiix iMiijii Fabiicius, Gin. Lis. p. 273. n. 16-17 (1777) ("St. Cniz I.'' err. loc.) ; id., Spfr. hia. 

 ii. p. 146. n. 31 (1781) (" Amer. meriJ. insul." err. loc.) : id., Mant. Li.i. ii. p. 95. n. 34 (1787) ; 

 id., Ent. Syst. iii. 1. p. .367. n. 36 (1793) ; Gmel., Sysl. Nnt. i. 5. p. 2385. n. 91 (1790) {loc. err.); 

 Steph., Jltustr. Brit. Eiit., Ilaust. i. p. 122 (1828) ; Harr., in Sill., Jourii. Sci. Art xxxvi. 

 p. 296. n. 9 (1839) (N. Carolina) ; Wood, Lid. Eiit. p. 246. t. 53. f. 27 (1839) ; Clem , Jouni. 

 Ac. Nat. Sci. Philad. iv. p. 170. n. 66 (1859) (Penn. ; Conn. ; Mass.) ; Morris, Cat. Lcp. X. Am. 



