126 



Hab. Arisan, Formosa. (M. Maki, July.) 

 'Ko angle at junction of vertex and face, keels of face con- 

 tiauons at base. 



i 



(4) rnaculata sp. n. 



^ Fuscous yellow, dark on face, antennae, ventral surface of 

 thorax and over abdomen. Tegmina dirty white, opaque with waxy 

 secretion, veins light yellow, black mark on hind margin at end of 

 clavus, in some specimens forming small V, and infuscate spot in 

 clavus, over radial cross-vein, end of subcosta and more or less over 

 all apical cells; wings dirty white with yellowish veins. 



Ventral edge of pygophor straight with a small rotundate projection 

 in middle, from the middle inner surface arises a pair of flattened 

 divergingly curved spines bluntly pointed at apex, lateral edges slightly 

 curved; anal segment large, sides subparallel, anus in middle, beyond 

 anus segment curved ventrally, apex broad, roundly excavate, (each 

 corner produced into a point) ; styles large, reaching beyond anal seg- 

 ment, dorsal edge straight, ventral edge sinuous, produced in middle 

 half, apex pointed and turned inward, from inner surface near base 

 arises a small round-pointed process. 



9 Markings on tegmina much smaller and fainter. Last abdomi- 

 nal sternite wider than long, median three-fifths roundly produced. 



Length 3.. 5 mm. ; tegmen 7mm. 



Hab. Arisan, Formosa. (M. Maki, July.) 



The male has no angle at junction of vertex and face and the 

 keels of face are contiguous at base ; the female has the vertex 

 slightly flattened, slightly angular at junction with face and the 

 keels of face not contiguous till a little beyond base. 



Platoceka Muir. 



(1) alhipennis sp. n. 



^ Antennae as in iiifirifroHS but not quite so flattened, sense or- 

 gans equally distributed over its surface. 



Head and body stramineous to light castaneous, darker over face, 

 edges of antennae, lateral portions of pro and mesonotum and sides 

 of abdomen. Tegmina and wings white, opaque with waxy secretion, 

 veins light yellow. 



Ventral edge of pygophor slightly and evenly convex, between the 

 styles a bifurcate process, the apices pointed and divergingly curved 

 with a small projection below apices on outer sides, lateral edges 

 straight, a small angular projection from inner surface near middle; 

 anal segment large, base broad tapering to pointed apex, anus about 

 middle; styles large, broadest on distal half, curved slightly upward, 



