144 PROCEEDINGS OF THE ACADEMY OF [Vol. LXXIV 



Type: 9 ; Mount Makiling, Luzon, Philippine Islands. (From 

 C. F. Baker.) [Hebard Collection, Type no. 793.] 



Vertex small, very narrowly V-shaped and deeply sulcate to 

 near apex; as characteristic of genus. Pronotum with lateral 

 lobes no deeper than wide. Tegmina and wings fully developed. 

 Tegmina with median vein branching a brief distance before its 

 median point, this branch forking nearly at its median point, these 

 veins running longitudinally and showing only weak obliquity; 

 near its extremity the median vein sends one or two, poorly defined, 

 branches to the sutural margin and apex. Anal tergite simple, 

 triangularly emarginate above the small, short, shield-shaped 

 supra-anal plate. Ovipositor short for the genus, dorsal margin 

 strongly concave proximad, ventral margin evenly convex to the 

 acute apex; dorsal and ventral margins distinctly serrulate, surface 

 of dorsal valves to near proximal portion with minute nodules, 

 the other portions of the lateral surfaces of the valves with even 

 smaller, very minute nodules. The ovipositor is much shorter 

 and more strongly curved, with apex more acute than in E. tenera 

 Brunner. Subgenital plate broad and short, its distal margin 

 broadly convex but showing a slight flattening of this convexity 

 laterad. Limbs elongate. Caudal femora heavy in proximal 

 portions, very slender in distal portions. Genicular lobes of 

 femora all bispinose, except one internal lobe of the cephalic 

 femora which is unispinose. Ventral femoral margins armed as 

 follows. Cephalic internal 2 and 4, cephalic external 0, median 

 internal 0, median external 3 and 3, caudal internal 4, caudal 

 external 5. 



The unique type is badly discolored. It would appear to have 

 been pale green in life, immaculate except for a delicate marking 

 along the sutural margins of the tegmina, much as here described 

 for Casigneta himellosa Brunner on page 142. 



Length of body 22.5, length of pronotum 5.1, caudal width of 

 pronotum 3.1, depth of pronotal lateral lobe 3.7, width of pro- 

 notal lateral lobe 3.7, length of tegmen 36, greatest width of tegmen 

 7, distal width of tegmen 5.4, length of cephalic femur 8, length of 

 median femur 10.9, length of caudal femur 25.2, proximal width of 

 caudal femur 3.4, length of ovispositor 7.6, greatest width of 

 ovipositor 2.1 mm. 



The species is known from a single specimen. 



Elbenia serraticauda new species. Plate XIII, figures 3 and 4. 



This remarkable insect has the male genitalia of the general type 

 found in the Sumatran E. appendiculata Brunner, but shows de- 

 cidedly greater specialization and several differences of striking 

 character. 



It agrees very closely with the Malaccan E. nigrosignata Stal in 

 these features, but the bifid production of the anal segment has 



