LAEEA. — NOTOGONIA. 201 



verse, anterior and basal margins parallel and boldly arched ; 

 median segment above finely transversely striate, on the sides 

 smooth ; abdomen long, slender, with the pygidial area bare and 

 punctured, the basal ventral segment longitudinally carinated and 

 with some coarse stria? on the margin ; tarsal claws long and slender. 

 Black, the head and clypeus in front, the posterior margin of the 

 pronotiun, and broad transverse bands on the apical margins of the 

 lst-5th segments of the abdomen bright silvery ; the legs, except 

 the C0X3B and trochanters, red. 



Var. With anterior legs above and the base of the femora o£ 

 all the legs dusky black. 



c? similar, but smaller. 



Hah. Celebes ; Tenasserim. $ . Length 13 ; ex2). 18 mm. c? . 

 Length 10 ; exp. 15 mm. 



389. Larra nigriventris, Cam. Mem. Manch. L. Ph. Soc. (4) ii, 1889, 

 p. 1-27. 



2 . Head, thorax, and abdomen pilose ; clypeus short, broad, 

 slightly projecting in the middle at apex and carinated ; vertex 

 depressed, a wide furrow along the inner orbits, a medial shallow 

 furrow on the front, bifurcating at the anterior ocellus ; posterior 

 ocelli obsolete, anterior ocellus pointed anteriorly ; median segment 

 above opaque, sides and apex striate ; abdomen long, slender ; 

 pygidial area bare, with very fine punctures. Black, the clypeus 

 with dense silvery pubescence; the rest of the head, the thorax, 

 and abdomen v^ith silky short sih^ery pile, seen only in certain 

 lights ; the pile on the abdomen denser on the apical margins of 

 the lst-5th segments, forming transverse glittering bands : wings 

 light flavo-hyaline, broadly fuscous along the apical margins ; 

 nervures and tegulas testaceous. 



J similar, but with the median segment more coarsely striate. 



Hab, Barrackpore ; Tirhoot ; North-West Provinces ; Poona ; 

 Bombay ; Pegu Hills, Burma ; Tenasserim. 5 . Length 10-12 ; 

 eoi;2). 18-20 mm. S . Length 9-10 ; ex2). 17-20 mm. 



Genus NOTOGONIA. 



Tachytes, pt., Dahlb. Hijm. Eur. i, p. 4(38 (1845). 

 Larrada, pt.. Smith, Cat. iv, p. 274 (1856). 



Noto<>-oniii, Costa, Ann. Mus. Zool. Univ. Napoli, iv, pp. 80, 82 

 (1867). 



Type, N. nigra. Van d. Lind. 



Range. J'oth hemispheres. 



Head wider than the thorax ; mandibles incised on the outer 

 margin near the middle, and Avith one blunt tooth on the inner 

 margin nearer the base ; eyes convergent at vertex, especially so in 

 the male ; the pronotum small and depressed below and under the 

 level of the mesonotum ; fore wing as in Larra, with one radiiil 



