5i8 Records of the Indian Museum. [Vol. XXII, 



subgenital plate ot 9 notched at apex {<? un- 

 known) ... ... ... ... D- iiiilica, sp. nov. 



— Posterior femora armed beneath with I — 3 

 very small spines on the internal margin, subgenital 

 plate of 9 with 3 or 5 apical lobes ... ... 8. 



8. Coloration rufous, rather uniform, thorax 

 weakly shining, the tergitcs bordered with brown 

 posteriorly, subgenital plate of 9 with 5 apical lobes, 

 eerci shorter than the ovipositor ( c? unknown) ... D. annamialei. Kirb). 



— Coloration less imiform ; pronotum marked 

 with two large, very neat, yellowish spots near 

 the anterior border and presenting, as. well as the 

 mesonotum, a median brown band ; thoracic and 

 three first abdominal tergites very shining ; subge- 

 nital plate of 5 trilobed at apex, the median lobe 

 more or less notched at apex ; cerci as long as or 

 longer than the ovipositor, cpiphallus of ^ rectan- 

 gular with a subacute process ... ... D. gravely I, Lho\>. 



g. Large internal spur ot posterior tibiae 

 shorter than the metatarsus ... 10. 



— I^arge internal spur of posterior tibiae at 

 least equal to the metatarsus ... .. i-'. 



10. Posterior femora armed beneath with 

 — 10 external and 16 — 17 internal spines ; anterior 

 tibiae with 2 spines on each interior margin ; col- 

 oration rather bright, mixed with small brown, 

 light yellow and whitish spots ; pubescence almost 

 inx'isible ; process — of 7th abdomin;il tergite of 3 



rounded at apex (9 unknown) . . ... D. longipes. Rehn 



— Coloration dull chestnut brown ; armatiu-e 

 of the posterior femora weaker (unknown in D. 

 ingcns, Karny) ... 11. 



11. . Formosan species; subgenital plate of 

 S large, posteriorly submarginatc ( 2 un- 

 known) . ... ... ... P. ingens,V,.a.rn\. 



— Tonkinese species ; posterior leniora armed 

 beneath with 2 — 3 external, Q — 11 internal spines; 

 anterior tibiae with 2 external and i internal spine ; 

 subgenital plate of 9 square ( 'j' unknown) . , D. macitlata. Chop. 



12. Face wholly black ; large internal spur 

 of posterior tibiae longer than the metatarsus ; 

 posterior femora presenting a large fuscous, longi- 

 tudinal band on their superior margin ; subgenital 

 plate of 9 carmated, notched at apex ( C" un- 

 known) .. ... ... ... D. griffinii, Chop 



— Face adorned with longitudinal, blackish 

 bands ; large internal spur of posterior tibiae equal 

 to the metatarsus ; subgenital plate of 9 trian- 

 gular ... ... ... ... 13. 



13. Face adorned with 2 longitudinal bands ; 

 7th tergite of <? without process, subgenitak plate 

 of 2 acute at apex, ovipositor short (length of post. 



fem. 31 mm., of ovipositor I2 mm.) ... ... D. inarmorata, Haan. 



— Face adorned with 4 longitudinal bands; 

 7th tergite of -j with a long process, slightly 

 notched at apex subgenital plate of 9 rounded at 

 apex, ovipositor longer (length of post. fem. 32 

 mm., of ovipositor 21 min.) ... D. palpata, Rehn. 



Diestrammena brevifrons, Chopard. 



Rupmath Cave, north of Jaintiapur, Jaintia Hills, Sylhet Dis- 

 trict [alt. ca. 1000-1500 feet], (R. Friel and W. Ballantine, iii'iS); 



