262 NOCTUIDJE. 



4649. Bellura melanopyga. (Plate CXLII. fig. 29.) 



Arzama melanopyga, Grote, Papilio, i. p. 148 (1881) ; Smith, Cat. Noct. 

 N. Am. p. 181. 



2 . Head, thorax, and ahdomen ochreous white, tinged with red- 

 brown ; anal tuft black-brown. Fore wing pale ochreous slightly 

 irrorated with red-brown ; subbasal line brown, waved, from costa 

 to submedian fold ; antemedial line brown, oblique from costa to 

 subcostal nervure and singled inwards on vein 1 ; orbicular large, 

 round, defined by diffused red-brown confluent with the antemedial 

 line and reniform which is very obscurely denned ; a diffused 

 oblique waved red-brown line from lower angle of cell to inner 

 margin ; postmedial line red-brown, strongly bent outwards below 

 costa, then oblique, dentate ; subterminal line brown, rather 

 diffused, dentate, bent outwards to tornus. Hind wing whitish 

 suffused with purplish red ; traces of a waved postmedial line, 

 rather more distinct on underside. 



Hah. U.S.A.., Florida, Lake Beresford (ComstocJc), 1 § type. 

 Exp. 42 millim. 



Larva. Comstock, Papilio, i. p. 147. 



Dorsal surface dark olive-grey, ventral surface pale olive-grey ; 

 head pale reddish brown ; anal somite reduced dorsally with the 

 spiracles of the penultimate placed on its dorsal part at posterior 

 end and much larger than the other spiracles. Food-plant : Water 

 Lily, boring from upper side of leaf into the stem, exposing the 

 anal extremity at intervals, sometimes passing from one leaf to 

 another. 1. 



4650. Bellura diffusa. (Plate CXLII. fig. 30.) 



Arzartm diffusa, Grote, Bull. U.S. Geol. Geog. Surv. Terr. iv. p. 170 

 (1878); Smith, Cat. N. Am. p. 181. 



J . Head, thorax, and abdomen ochreous greyish mixed with red- 

 brown ; palpi darker red-brown ; tarsi dark red-brown with pale 

 rings ; abdomen with small dorsal dark spots on basal segments. 

 Fore wing ochreous tinged with rufous and irrorated with red- 

 brown, the medial area suffused with red-brown not extending 

 to postmedial line except at costa and leaving a pale diffused oblique 

 medial line from submedian fold to inner margin ; a black point at 

 base of median nervure ; subbasal line brown, angled outwards in 

 cell and ending at submedian fold ; antemedial line brown, dentate 

 and oblique from costa to median nervure, then inwardly oblique ; 

 orbicular and reniform ochreous, the former small, round, the 

 latter a narrow oblique bar suffused with rufous at middle ; post- 

 medial line brown, bent outwards below costa, then dentate, 

 oblique below vein 4, some whitish points beyond it on costa ; 

 subterminal line represented by a series of small rather diffused 

 dentate dark marks on its outer edge, somewhat angled inwards at 

 discal and submedian folds, excurved at middle and bent outwards 



