MEYRICK— TORTRICINA AND TINEINA 273 



<£$. 8 — 9 mm. Head and thorax shining white. Palpi white, anterior edge of 

 terminal joint dark fuscous. Abdomen ochreous-whitish. Forewings elongate, narrow, 

 costa almost straight, apex pointed, termen sinuate, oblique ; 6, 7, 9 separate ; shining 

 white ; sometimes an irregular oblique dark fuscous spot from dorsum before middle ; 

 a very oblique dark fuscous wedge-shaped spot on costa about f , from apex of which 

 a dark fuscous line runs back to submedian fold before tornus, terminating usually in an 

 irregular dark fuscous spot along posterior third of dorsum, which spot is however in one 

 specimen obsolete ; a fuscous or ochreous-fuscous apical patch touching angle of preceding, 

 and including a black apical dot : cilia whitish or whitish-grey, towards base silvery- 

 metallic on upper part of termen, at apex with three diverging dark fuscous hooks. 

 Hindwings light grey, thinly scaled anteriorly; an oblique bar between vein lc and 

 middle of cell ; cilia whitish-ochreous-grey or grey-whitish. 



Silhouette, Mare aux Cochons plateau ; Mahe, near Morne Blanc, 1000 feet ; in 

 September and October, two specimens. Also two specimens from Cerf Island (Fletcher) 

 in October, and occurs in W. Africa. Varies rather considerably in development of 

 markings. 



Phthor.im.ea Meyr. 



20. PhthorimcBa operculella Zell. 



Mahe, near Morne Blanc ; one specimen. Also one received from Mr T. B. Fletcher. 

 An introduced species, of which the larva is a highly injurious pest of the potato. 



Onebala Walk. 



21. Onebala ctibiculata, n. sp. 



$. 12 — 13 mm. Head and thorax fuscous, crown with a whitish-ochreous line 

 above each eye. Palpi ochreous-whitish, second joint light fuscous except apex, terminal 

 joint with some light fuscous suffusion towards middle. Antenna whitish-ochreous. 

 Abdomen pale fuscous. Forewings elongate, somewhat dilated posteriorly, costa gently 

 arched, apex obtuse, termen nearly straight, rather oblique ; 3 absent, 2 and 4 stalked, 

 5 approximated, 7 absent, 8 and 9 stalked ; fuscous ; a dark fuscous basal patch 

 occupying f- of wing, edged by an irregularly sinuate cloudy line of whitish-ochreous 

 suffusion ; second discal stigma well marked, transverse, dark fuscous ; a small whitish 

 spot on costa at f-, whence an irregularly sinuate cloudy whitish-ochreous line runs 

 to dorsum before tornus : cilia fuscous. Hindwings grey ; cilia whitish-fuscous, with 

 fuscous subbasal shade. 



Silhouette, Mare aux Cochons plateau, 1000 feet, in September; two specimens. 



Brachmia Hueb. 



22. Brachmia nesidias, n. sp. 



$. 10 — 11 mm. Head ochreous-whitish. Palpi ocbreous-whitish, second joint 

 slightly sprinkled with brownish. Thorax pale whitish-ochreous, shoulders mixed with 

 ferruginous-ochreous. Abdomen pale greyish. Forewings elongate, rather narrow, costa 

 gently arched, apex obtuse, termen rounded, rather strongly oblujue ; 7 to apex, 8 and 9 



35—2 



