42 PYGIDICRANIDiE. 



Bengal : Calcutta {Ind. Mus., coll. Burr). 

 Tyije in the Indian Museum, Calcutta. 



Larva. 



Antennae of same number of segments and form as adult. 

 Pronotum almost circular, ample, anterior and posterior margins 

 straight ; elytra present as free short rounded flaps ; legs very 

 slender, depressed and rather broad ; lateral tubercles very dis- 

 tinct ; lateral dorsal segment very small and narrow ; caudal 

 setae very long, with 20-30 segments, considerably longer 

 than the body ; basal segments very long, about equalling the 

 next seven segments together ; the segments all cylindrical, rather 

 long, gradually lengthening after the second. Head, elyti'a, 

 apical half of abdomen and cerci, except at the very base itself, 

 blackish, the rest of the body straw-coloured. Length of body 

 5*5 mm., of basal segment of cerci 1"7 mm., total length of cerci 

 7'75 mm. (The soft body is of course rather shrivelled.) 



This is a very distinct species, being the only one known in 

 which the wings are abortive, and the elytra so short that they 

 are almost square ; the coloration is also distinctive ; in the 

 strongly dilated last dorsal segment of the male and the depressed 

 and dilated forceps, it approaches D. fakatus, but in that species 

 the inner margin of the dilated part is crenulate, and the forceps 

 are bowed so that the outer margin is sti'ongly arched ; in 

 D. gladiator the outer margin is almost straight. 



it has hitherto only been record(jd from Calcutta, where 

 Dr. Aunandale found the larvae during hot weather under flower- 

 pots, resting on stones. 



5. Diplatys falcatus, sp. n. (Fig. 4.) 



Size relatively great. General colour reddish brown. Antennae 

 pale yellowish grey. Head blackish brown, broad, especially in 

 the S , depressed, sutures strongly marked, postocular carina 

 strong and sharp, occiput depressed. Pronotum of d suboval, a 

 little longer than broad, a little narrower posteriorly than an- 

 teriorly, the sides rounded; yellowish brown, M'ith indistinct 

 blackish markings ; in $ , the prozona bi-own, the metazona pale 

 yellowish, pentagonal, slightly longer than broad and narrowed 

 posteriorly ; anterior margin roundly convex, sides and posterior 

 margin almost straight. Scutellum yellowish, broader in the $ 

 than in the J • Elytra ample, long and narrow, purplish black. 

 Wings long and prominent, creamy, the scale blackish. Legs 

 dirty yellowish, shaded or banded with brownish. Abdomen 

 reddish brown, with stiff' reddish bristles at the sides ; long and 

 slender and dilated posteriorly in the 6 , stouter and narrowed 

 posteriorly in the $ ; lateral tubercles distinct. Last dorsal 



