618 MR. R. E. TURNER ON 



iiervLire, much shorter than the distance between tlie recurrent 

 nervures on the cubitus; second recurrent nervure interstitial 

 wich the first transverse cubital nervure. 



Hah. Shillong, Assam, 5000 ft. {Turner), May. 3 $ $ . 



Very near rothneyi, of which it may prove to be a subspecies, 

 but as there ai^e structural difierences it cannot be treated as 

 identical. The ocelli are much smaller, the eyes are further 

 apart both on the clypeus and the vertex, the puncturation of 

 the head is somewhat finer, the median segment has the dorsal 

 surface very distinctly longer and more narrowed to the apex, 

 and the sulcvis of the median segment is broadly interrupted 

 between the dorsal and ■ posterior surfaces, not almost continuous 

 as in rotlineyi. The pronotum is also a little more depressed in 

 the present species. The apical half of the posterior slope of the 

 median segment is finely tx-ansversely sti'iated in rotlineyi, finely 

 punctured in differens, 



58. PisoN (PisaNOiDEs) isoLATUM Turn, 



Pison (Parapison) isolatum Turn. Trans. Linn. Soc. xiv. p. 372 

 (1911), ? 6. 



This is a very distinct species, without chitinous or pubescent 

 bands at the apex of the dorsal segments, being very much 

 nearer to the Australian erythrocerus Kohl than to the Asiatic 

 species. The antennas are much longer than in erythrocerv^s, 

 and the sculpture of the median segment is difi'erent. 



Hah. Silhouette Island^ Seychelles {Scott). 



59. PiSON (PiSONOIDES) TESTACEIPES, Sp. n. 



6 . Niger ; mandibulis, palpis, scapo, tegulis, tibiis anticis 

 tarsisque rufo-testaceis ; segmento abdominali quarto dimidio 

 apicali, quinto,. sexto> septimoque brunneo-testaceis ; alis hyalinis, 

 iridescentibus, margine apicali late infuscatis, venis nigris. 



Long. 7 mm, 



(5 . Clypeus broadly truncate at the apex ; antennas rather 

 slender at the base, slightly thickened towards the apex, the 

 second joint of the flagellum only a little longer than the third, 

 about twice as long as the first. Posterior ocelli separated both 

 fi'om each other and from the eyes by a distance about equal to 

 the diameter of one ocellus, further from the anterior ocellus 

 tha,n from each other, Clypeus and front as high as the emar- 

 gination of the eyes clothed with silver pubescence, the frontal 

 sulcus indistinct, front opaque, finely punctured-rugulose, vertex 

 finely punctured. Eyes half as far again from each other on the 

 clypeus as on the vertex, Pi-onotum short, much shorter than 

 in P. xanthopios ; mesonotum and scutellum finely and closely, 

 but distinctly punctured ; mesopleurte more finely punctured, 

 with a fovea in the middle. Median segment closely punctured, 

 Avith a distinct triangular doisal area which is obliquely striated 

 at the extreme base, the median sulcus strongly marked, the 



