PTEALIS.— MICEOSCA. 71 



Pyralis nannodes. (Plate LVIII. fig. 5.) 



Allied to P. glaucinalis, cousiderably smaller, the primaries of a more sandy tint, the 

 transverse lines dusky with yellowish external edges, angulated mueh nearer to the eostal 

 margin ; a blackish discocellular dot ; fringe purplish with a yellow basal line and a rosy 

 central line : secondaries with the central white lines more irregular ; fringe as in primaries : 

 body corresponding in tint with the wings. Under sm-face much paler, the lines obsolete. 

 Expanse of wings 9 lines. 



Yokohama [Jonas). 



MICROSCA, g. n. 



Allied to Osca, the palpi less porrect and with shorter terminal joint ; spines of hind 

 tibifE longer; primaries with the outer margin more or less convex. Type M. hedilalis 

 {Pyralis hedilalis, Wlk.). 



Microsca pallida. (Plate LVIII. fig. 7.) 



Whitish, sericeous ; wings reticulated with dark brown, the basal and external areas 

 clouded with pale cupreous brown; two narrow ill-defined cupreous-brown discal bands 

 partially margined and dotted with black ; primaries with a black-edged bifid apical white 

 spot : wings below nearly as above, but less distinctly reticulated. Expanse of wings 1 inch. 



Yokohama [Jonas). 



Microsca exusta. (Plate LVIII. fig. 8.) 



Similar in colour to the preceding species, but with the basal half of the wings deeper, 

 with one ill-defined blackish-edged central band ; a curved subapical black-edged brown 

 fasciole in the primaries, the body darker : wings below whitish, with well-defined central red- 

 brown band ; primaries with the costa at apex and a subapical fasciole red-brown ; reticulations 

 less strongly defined than above : pectus and legs pale reddish brown. Expanse of wings 

 1 inch 1 line. 



Yokohama [Jonas). 



Microsca ardens. (Plate LVIII. tig. 9.) 



Pale reddish brown reticulated with dai'ker brown ; basal half deeper in colour than the 

 external half, and limited by a blackish-edged ferruginous central band ; each wing also with 

 black-edged subapical and subanal fascioles ; fringe black-spotted externally : primaiies with 

 grey costal border, spotted beyond the middle with ferruginous ; two transverse brown lines 

 across the basal area : body red-brown, prothorax greyish. Under surface with the ground- 

 colour paler and the markings darker than above. Expanse of wings 1 inch 1 line. 



Yokohama [Jonas). 



