and species of TentlirccUnidce and Siricidce. 469 



see;ments yellow. Feet yellow ; coxre at base, middle 

 femora above, jjosterior almost wliolly, apex of posterior 

 tibia?, Avith the tarsi at the joints, black. AVings hyaline, 

 with a small smoky cloud at the apex ; costa and stigma 

 fuscous. Legs covered Avith scattered hairs. 



Length lOg lines. 



i/rtZ<.— North China. 



Allied to T. hicincta, Linn. 



Tentliredo obscura. 



$ . Pale olive, not unlike the colour of T. olivacea, but 

 more faded. Antennas about the length of the abdomen ; 

 apical joints whitish, except the last, Avliich is black ; 3rd 

 joint considerably longer than 4th; clypeus deeply incised, 

 paler than the colour of the head. Abdomen about a 

 fourth longer than the head and thorax, dilated at apex. 

 Femora black above at the base; a line above the four 

 posterior tibiffi and joints of tarsi black. Legs hairy. 

 Spurs black. Ocelli black. 



Length 12^ lines. 



Hub. — North China. 



Has a faded look, as if it had been pure yellow when 

 alive. 



Dolerus riifocinctus. 



2 . Deep black, with a bluish tinge, pilose. Pro- and 

 part of meso-notum in front, tegula?, and second to sixth 

 abdominal segments, red. Wings hyaline; costa and 

 stigma deep black ; basal part of costa yelloAv. Apex of 

 abdomen and head densely covered Avith long Avhite hairs. 

 Head coarsely punctured. 



Length 6 — 7 lines. 



Hab. — India. 



Dolerus bicolor. 



? . Black. Head deep, coarsely punctured, glabrous, 

 covered Avith a scattered pubescence ; clypeus incised. 

 Pro- and anterior edge of meso-notum above and beneath, 

 and abdomen from basal segment, yelloAAdsh-red. Meso- 

 notum opaque, punctured; terebra jirojecting, black, hairy. 

 Wings dee^J smoky, hyaline at apex ; posterior Avings 

 lighter ; costa and stigma deep black ; tegulje black ; 

 cenchri white ; calcaria pale. 



Length 10 lines. 



Hab. — North China. 



