( 115 ) 



?. ViigiiKiI jilatc siiKidtli distaljy, ]ir(j.\iii]al tlirco-fnurtlis iiicmliranaccons, 

 vaginal orifice aiiteiuedian. 



Hoh. Dawson River, Qneenslanil (Bariiavd coll.). 



Id the Tring Museum 1 c?, 1 ? ex coll. Barnard, ti/pe. 



XXXlll. ATKEUS.— Typus: pl<'h,j„. 



Sjildiir, Fiihrkiiis {iii:a Liune, IT.'iS), Geii. Iiis. p. 273 (1777). 



Anrenjx Walker, List Lrp. Ins. B. M. viii. p. 224 (1856) (partim ; typo : jjimistri). 

 Jli/loicus, Grote & Rob. {no,, Hiibner, 1822), P,ric. E,it. Soc. riilhid. v. p. 1G6 (1865). 

 Alreus Grote, Hawk-Moths N. Am. p. 41 (1886) (type : jilibrjn). 



S ? . Tongue long. Eyes lashed. Comb of pilifer normal. Fore- and mid- 

 tibiae sjnnose, 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 ; hiudtibia about 

 as long as the first tarsal segment, spurs very long, long apical one reaching end 

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

 which stand in basal fifth of the segment ; pnlvillus and paronychium 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 mptemacidatus ; lobe of 

 sternite flat, rounded, rather obviously sinuate (PI. XXVIII. f. S), agreeing with 

 the sternite found in some Hi/loicus. Clasper rather slender, not dilated dorsad ; 

 harpe (PI. XXXV. f. 26) 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 plate semi-membranaceons, mouth of vagina very wide, its proximal 

 edge sharp, but not, or little, raised above the level of the postvaginal portion of 

 tbeiilate(Pl. XXI. f. 19). 



Larva green, paler above or jiiukisli, 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 prothorax and a dorso-lateral series on meso-metathorax more 

 distinct. 



Pnjia : tongue-case detached, straight, closely applied to the breast, long, 

 reaching to the end of the antenna-case. 



Ilab. Eastern parts of the Nearctic Region. 



Two species. 



An olikhoiif from l'ro/i,jiiiri;\ or rather IVum a form (not yet discovered, or 

 'Xtiiicf) (•(iniiectiMg I'rotojiKrcc willi Ilijliiicus. 



8«. Atreus plebeja. 



I'hinx iiUbrjn Fabiiciun, (»Vk. Ins. p. 273. u. 16-17 (1777) ("St. Cruz I.'' urr. loc.) ; id., Spn: Ins. 

 ii. p. 146. n. 31 (1781) (" Amcr. meiid. insul." err. loc.) ; id., .Vant. Ins. ii. p. 95. n. 34 (1787) ; 

 id., ICnt. Hyst. iii. 1. p. .367. ii. 36 (17y3) ; Gmcl., %«/. Nul. i. 5. p. 2385. n. 91 (1790) (/oc. err.); 

 Steph., Illnsh: linl. I'.nl., Ihtusl. i, p. 122 (182H) ; Harr., in Sill., J,mi;i. Si-i. Ai-t xxxvi. 

 p. 290. II. 9 (1839) (N. Carolina) ; Wood, /„<!. Ent. p. 246. t. h'A. f. 27 (1839) ; Clem , .foiii-n. 

 Aij. Nul. .Si:i. I'lii/ad, iv. p. 170. n. 66 (1859) (I'ciin. ; Conn. ; Mass.) ; Morris, Cat. Lrp. X. Am. 



