Lcucoi-rhiiiia. 65 



with pale nervures at the base of the hind-wings, and 

 a short hne of the same colour nearer the costal margin, 

 a very small spot at the base of the fore- wings. 

 Pterostigina nearh" square, dark brown, 2mm. long. 

 Accessory niciiibranc small on fore-wings, long but narrow 

 on hind-wings, and conspicuous against the dark spot. 

 Legs black. Ahdoiiicii almost c\-lindrical, slender, swollen 

 at the base, not much constricted at the third segment, 

 rather down\', black, \\ith crimson spots, the crimson 

 markings being as follow : On segment i , a tins- 

 lateral spot and a line along the hind edge ; 2, except 

 at the base nearh' all crimson ; 3, a large basal spot, 

 constricted at the middle and ha\ing twrj tin\' dorsal 

 black spots near the base ; 6 and 7, a basal, dorsal, 

 wedge-shaped spot ; 7, 8, and 9, the hind margin crimson ; 

 sometimes 4, 5, and 8 ha\e small dorsal spots or lines. 

 Anal appoidagi'S, upper, black, c}'lindrical, pointed, as 

 long as the ninth segment, rather distant at base ; 

 lower, short, squarish, indented behind, black. 



Female Imag-o. 



In general appearance the female does not greatly 

 differ from the male. The labnnii is black except at 

 the corners. The spots are all pale yellow in place of 

 crimson, and the dorsal ones on the abdomen are 

 longer and more equal on the \arious segments, 

 abdomen itself stouter and shorter than in male. Basai 

 s/^ot on wings larger and lines longer, the spot on 

 the fore-wing being often produced as a line. Ptero- 

 stigina 2-5mm. Aiini appendages but little longer than 

 the tenth segment, black, c\'lindrical, pointed. Vulvar 

 scale consists of two small, thick, parallel projections. 



F 



