HALISIDOTA. 151 



brown ; the ground-colour of wing thickly irrorated with brown ; 

 the oblique streaks on veins 2 and 6 not prominent. 

 Hah. U.S.A., Arizona. 



1480. Halisidota bicolor. (Plate XL. fig. 4.) 



Hcilisidota bicolor, Wlk. iii. 734 (1855) ; Druce, Biol. Oentr.-Am., Het. i. 



p. 93 ; Kirby, Cat. Het. p. 208. 

 Euhalisidota pura, Neum. Papilio, ii. p. 133 (1882) ; Kirby, Cat. Het. 



p. 209. 



Pale ochreous yellow. Fore wing with oblique silvery-white 

 patch at base ; two antemedial and a medial series of silvery-white 

 spots, the 1st strongly bent inwards to costa, tbe two latter slightly ; 

 obliquely placed postmedial spots below costa and above vein 5, 

 followed by an oblique series of small lunules from just beyond 

 them ; a subterminal series of small lunules ; the apex produced and 

 acute. Hind wing semihyaline yellowish white. 



Hah. U.S.A., Arizona ; Mexico, 1 S , type (Hoege), 1 5 , Godman- 

 Salvin Coll. E^p., ^ 44, $ 58 millim. 



1481. Halisidota maculata. 



Lophocampa maculata, Harr. Ins. Mass. p. 259 (1841) ; Kirby, Cat. Het. 



p. 208. 

 Halisidota fulvoflava, Wlk. iii. 733 (1855). 

 Fhego'ptera guttifera, Herr.-Schaff. Aussereur. Schmett. f. 284 (1855). 



Primrose-yellow; vertex of head with brown stripe; patagia 

 edged with brown above. Pore wing with red- brown basal spot 

 from costa to median nervure ; an antemedial waved band angled 

 on median nervure, conjoined below the cell and often in cell to a 

 medial band angled inwards in cell and outwards above vein 1 ; a 

 postmedial irregular oblique band bent outwards at vein 5, angled 

 on vein 2, then confluent with the medial band ; a subterminal 

 band with minutely dentate inner edge and strongly dentate outer 

 edge, with a series of spots, usually large, in the interspaces beyond 

 it. Hind wing pale yellow. 



Hah. Nova Scotia, 1 $ , type fulvoflava ; Atlantic States, 2 S , 

 1 $ , Massachusetts, Beverly, 1 § , Grote Coll. Exp., (S 46, $ 54 

 millim. 



Larva. Pack. Ann. N. Y. Acad. Sci. viii. p. 67 ; Dyar, J. N. Y. Ent. Soc. v. 

 p. 132 ; and Psyche, vi. p. 165. 



Stage 2. Head black ; body straw-yellow ; thoracic shield black, 

 angulate at sides behind ; tubercles large with numerous spinose 

 hairs ; the 1st abdominal somite with large transverse oval black 

 spot with a piliferous tubercle on it, and another lateral on same 

 somite bearing tufts of black hair ; 6th somite with similar large 

 black double wart, and another dorsal on 7th somite with double 

 tuft from it ; abdominal somites 2-7 with five black lunate lateral 

 warts, and on each of these somites four dark greenish dorsal warts 



