7ifw Evniiiitlaj ami I^raconiJiB. 271 



Pristaulacus excisus^ s\). u. 



2 . Very similar to /'. emniyinaticejj.'t, Ijiit tlic licad is 

 rather less massive ; the posterior emargiiiatioii is wider 

 and less deej) ; there is no tooth on the niai-;^in of the 

 clypens ; the antenTue are more slender; tlie winj^s are less 

 strouf^ly infuseated, especially at the apex, rendering the 

 dark area helow the stigma more conspicuous ; the second 

 recurrent nervure is received heycjud four-tifths from the 

 base of the second cuhital cell, and the sculpture of the 

 mesopleuru' is not as coarse. Tarsal ungues with four tectii 

 onlv. 



Hab. Hoahinh, Tonkin, August 11)18 {H. \'itulis de 

 Salvuza). 



Pristaulacus beesoni, sp, u. 



$. Nii^ra : albido-pilosula ; alls hyaliiiis, venis nigri;', anficis 

 macula Jiij^ra sub stigmate, vena cuhitali traiisverea secuiida 

 ill dimidio infcriore dccolorato ; scapo bruuueo. 



cJ . Feminie siinilis. 



Long . ? , 11 nim. ; terebraj long. 8 mm. ; J , 10 mm. 



$ . Head smooth and shining, tlie front microscopically 

 punctured and clothed with short white pubescence. Sccoiui 

 auteunai joint twice as long as broad, the fourth h;df as long 

 again as tiie third, the apical joints slender. Thorax ver- 

 tically truncate anteriorly, the prothorax with a small spine 

 on each side beneath. Mesonotum and scutcUum very 

 coarsely transversely striated, the prieseutum longitudin iliy 

 depressed in the middle ; median segment j'nd pleune 

 coarsely reticulate. First abdominal segment petiolate, 

 broadened at the apex, and longer than the rest of the 

 abdomen ; the apical segments elotiied with very delicate 

 white pubescence. Tarsal ungues with four teeth, excluding 

 the apical point. First recurrent nervure received by the 

 first cubital cell a little l)efore the apex, second received 

 before three-fifths from the base of the second cui)ital cell. 

 The fuscous spot below the stigma is suudl, not entering the 

 second cubital cell, and scarcely reaching beyond the middle 

 of the first transverse cubital nervure. 



//ah. Thano, Siwalik Hills, United Provinces, India, 

 September (5, 1919 (('. F. C. /ieeson). 



Taken emerging from a Sal log. 



This is very near /*. niijripis, Kielf., from Sikkim, of 



