PTEALIS.— BOSTEA. 159 



Pyralis postflava. (Plate CLXXI. fig. 22.) 



Expanse | incli. 



Female. Head, thorax, and first five segments of the abdomen reddish purple, the 

 terminal segments bright yellow ; wings reddish purple, with indistinet ante- and postmedial 

 lines, the latter being waved on the hind wing ; both wings with the outer margin and cilia 

 bright orange-yellow. Fore wing with an indistinet dark speek at end of cell, and a series of 

 yellow specks on the eosta from the base to the postmedial line. Underside paler ; the 

 thorax, abdomen, legs, and base of wings suffused with yellow. 



Pyralis minimalis. (Plate CLXXI. fig. 18.) 



Expanse f^ inch. 



Male. Head and collar ochrcous ; thorax and abdomen ciiocolate-brown ; anal tuft 

 ochreous. Fore wing with the base chocolate, bounded by a pale waved line ; a broad, medial, 

 oehreous band occupying half the wing, with a dark speck at the end of the cell, and bounded 

 by a pale waved line, beyond which the colour is ochreous sufi'used with brown, most deeply 

 towai-ds the oiiter angle. Hind wing blackish, with traces of antemedial, postmedial, aiul 

 submarginal pale liues couverging towards the anal angle. Cilia of both wings fuscous. 



Pyralis diiplicilinea. (Plate CLXXI. fig. 21.) 



Expanse -^^ inch. 



Female. Head, thorax, and abdomen pale oehreous brown, the last with the fifth and 

 sixth segments rather darker ; wings pale oehreous brown, the base suffused with fuscous ; an 

 indistinet dark double subbasal line; a similar, more distinct, oblique, postmedial line with 

 some fuscous sufi'usion beyond it, especially at apex of fore wing and anal angle of hind wing ; 

 fore wing with a dark speck at end of cell. 



Pyralis ustalis. (Plate CLXXII. fig. 2G.) 



Expanse j^^ inch. 



Female. Head ochreous brown; thorax and abdomen reddish ochreous. Fore wing 

 purplish red, the basal third sufi'used with fuscous, and terminating in an antemedial pale 

 line ; a series of ochreous striga3 along the basal half of the costa ; a curved submarginal 

 pale line from the costa just before the apex to near outer angle ; a series of marginal dark 

 specks. Iliud wing purplish red suffused with fuscous ; a broad whitish band irrorated with 

 red scales just before the middle; a series of marginal dark specks. 



Bostra iUuseUa, Wlk. (Plate CLXXII. fig. 19.) 

 Bostra illusella, Wll-. Cat. xxvii. p. 123. 



Expanse -^^ inch. 



Pale red-brown. Fore wing witii ante- and postmedial lines, the former slightly angled 

 below the costa, the latter excurved at middle. Hind wing with faint traces of a postmedial 

 line. 



