154 Cameron, HymenopUra Orientalia. 



line at the tegulse, black. Scutellum fulvous, yellow at the 

 sides, the apex broadly black; the postscutellum yellow; 

 its foveas large. The base of the median segment black, 

 the black narrow in the centre; at the sides broader and 

 continued to the apex of the spiracles; the basal central 

 area is almost square, flat; the single lateral one is longer 

 than it is broad, narrowed at the apex ; the keels bordering 

 the central area are indistinct, the lateral more strongly 

 defined. Pro- and meso-pleurae smooth, shining, the 

 apex of the propleurse narrowly, the base of the mesono- 

 tum, a longitudinal line immediately under the tubercles, 

 an oblique one extending from above the middle to near 

 the apex, becoming wider as it does so, and ending for- 

 wards at right angles to the base of the coxae, black. The 

 four anterior legs are yellow, the femora and the middle 

 tibiae and tarsi tinged with fulvous ; the hinder coxae are 

 broadly black at the base below and at the sides; the 

 apical joint of the trochanters, the femora broadly in the 

 middle, and the tibiae, rufous; the tarsi dark fuscous. 

 Wings hyaline; the apex infuscated; the areolet oblique, 

 the nervures united at the top; the recurrent nervure 

 received shortly beyond the middle. Abdomen rufous; 

 the apices of the segments yellow ; the petiole, the second 

 and third segments black in the middle ; the others broadly 

 black at the apex ; the depression at the base of the petiole 

 shallow ; the furrow down the apex deep ; in the centre of 

 the second segment at the base is a narrow, deep, longi- 

 tudinal furrow; the oblique depression at the sides is 

 deep. 



Theronia gracilis, sp. nov. 



Long. 9 ; terebra 3 mm. 



A smaller and more slender species than T. nigro- 

 balteata, with which it agrees in having the abdominal 



