NEW SPECIES OF PYRALID^ FROM "fORMOSA. 267 



the packing. Mr. Wright informs me that the surrounding 

 district is especially good for Crambidse. During week-ends in 

 July and early August he had taken the following : Crambus 

 falcellus, C. pratellus, C. pascuellus, C. uliginosellns (Mr. Mans- 

 bridge took the first, which is new to North Lancashire and 

 Westmorland lists), C. margaritellus, C. pinellus, C. perlelkis and 

 var. 2varringto7iellus, C. tristellus, C. inqainatellus, C. genicideus, 

 €. cuhnellus and C. hortuellus. The only Crambites netted on 

 August 8th were C. tristellus and C. inquinatellus. 

 October Uth, 1919. 



NEW SPECIES OF PYRALID.E FROM FORMOSA. 



By a. E. Wileman and Richard South. 



(Concluded from vol. li, p. 219.) 



Mastigophorus bilinenta, sp. n. 



Palpi very long, outer half with long hairs. Antennas with short 

 bristles. Fore wings dark-brown, clouded with blackish; antemedial 

 and postmedial lines ochreous-white, the former almost straight and 

 the latter inwardly oblique ; subterminal line wavy, most distinct 

 towards costa, where it is ochreous-white, inwardly bordered with 

 black ; two pale-ringed black spots in the cell between the transverse 

 lines ; a series of black triangles on termen. Hind wings smoky 

 grey, paler on costal area, a pale transverse line beyond middle. 

 Underside grey ; fore wings suffused with fuliginous, except on 

 dorsal area, two pale marks on apical third of costa ; hind wings 

 .stippled with fuliginous, two black spots in the cell and a waved line 

 beyond. 



Expanse, 40 mm. (^ , 38 mm. $ . 



Two males and two females, Arizan, Formosa, August, 1908. 

 Comes near M. brevivittalis, Moore. 



Nephopteryx ochridorsalis, sp. n. 



(^ . Fore wings greyish, with faint brownish tinge, inclining to 

 blackish on the terminal neuration, dorsal area ochreous, dashes 

 between the veins before termen ochreous ; hind wings fuscous grey, 

 veins darker. 



9 . Wings rather broader than the male and the ochreous colour 

 between the veins on terminal area of fore wings rather more 

 pronounced. 



Expanse, J" 28 mm., $ 30 mm. 



Collection numbers, 1728 ? , 1729 <? . 



One example of each sex from Rantaizan, the female taken 

 on May 8th, 1919, and the male on May 9th of the same year. 



Phycita g^-iseofusa, sp. n. 

 Head, thorax and abdomen grey. Fore wing grey, freckled with 

 darker ; postmedial line black, inwardly edged with white, slightly 



