INSECUTOR INSCITI^ MENSTRUUS 181 



and outer end of cell ist M, narrowly seamed with brown ; 

 Cu broadly seamed with brown ; wing-tip indistinctly darkened ; 

 veins dark brown, those in the costal region clear yellow. 

 Venation : Sc long, Sc^^ ending about opposite two-fifths the 

 length of Rs, Sc, much longer than S'cj and at its tip ; Rs long ; 

 r less than its own length from the tip of R^ ; inner ends of 

 cells i?3 and ist M^ arcuated ; basal deflection of Cu.^ close to 

 the fork of M. 



Abdomen brownish black. Ovipositor with the valves long 

 and slender, tergal valves very slender. 



Holotype, male Mount Minomo. May 4, 1931 (K. Takeuchi). 



Allotopotype, female. 



Paratopotypes, 1 male, 5 females. 



Limnobia amatrix, new species. 



Male. — Length about 7.5 mm. ; wing, 10 mm. 



Female. — Length about 8.5 mm. ; wing, 9.5 mm. 



Rostrum and palpi brownish black. Antennae with the basal 

 segment of scape dark brown ; remainder of antenna light yel- 

 low, the terminal segments scarcely darkened. Head obscure 

 yellow, the center of the vertex darkened. 



Pronotum greenish yellow. Mesonotal praescutum greenish 

 yellow with four pale brown stripes, the lateral pair less dis- 

 tinct ; scutal lobes conspicuously marked with brown, the median 

 area greenish yellow ; scutellum dark brown, the median por- 

 tion obscure greenish yellow ; median sclerite of postnotum dark 

 brown, the sides paler. Pleura brownish yellow with a narrow, 

 dorsal, longitudinal, brown stripe extending from the cervical 

 sclerites to beneath the wing-root. Halteres yellow, the knobs 

 dark brown. Legs with the coxae and trochanters yellow ; 

 remainder of the legs black, the tips of the femora narrowly 

 but very conspicuously light yellow. Wings tinged with pale 

 yellow, handsomely variegated with brown ; costal cell brown ; 

 subcostal cell brown at base, over origin of Rs and at tip; a 

 brown seam at base of cells R and M, continued as a con- 

 spicuous seam along vein Cu to the wing-margin, narrowly 



