90 Mr. R. E. Turner on 
convex, subconical; propodeum smooth and shining, with a 
median longitudinal carina; abdomen very closely and 
minutely punctured ; mesopleurze swollen below, but not 
tuberculate ; vagina strongly exserted. Humeral cell of the 
fore wing divided beyond the middle by an almost perpen- 
dicular feebly curved nervure. Third abscissa of the radius 
twice as long as the second. 
Hab. Chapa, Tonkin, May 27,1916; 1 9°. 
This is nearly allied to C. magrettii, Konow, which occurs 
in the same locality, but differs in the much paler colouring 
of the thorax and abdomen ; in the longitudinal carina of the 
propodeum, which almost reaches the apex, but in magrettiz 
is only represented by a tubercle at the base; in the less 
strongly swollen mesopleur, and in the black antenne and 
hind tibie and tarsi. 
Tenthredella vitalisi, sp. n. 
©. Ochracea; mandibulis apice, antennis, tibiisque tarsisque 
posticis nigris; mandibulis, clypeo labroque flavis; alis flavis, 
apice late fuscis; scutello mesopleurisque infra tuberculatis, 
od. Femine similis. 
Long., 9 15 mm., ¢ 14 mm. 
g, narrowly rounded 
at the apex and sparsely punctured. Eyes converging 
toward the clypeus ; antenne clothed with very short black 
hairs, the third joint about one-quarter longer than the 
fourth; frontal sulcus with strongly raised lateral carine 
which are raised into rounded tubercles above the base of the 
antenne, and extend posteriorly. to the hind ocelli ; vertical 
area broader posteriorly than long, but as long as the ante- 
rior breadth, finely and closely punctured and divided by a 
very shallow longitudinal groove. ‘Thorax finely and closely 
punctured; scutellum raised into a conical tubercle; the 
mesopleuree produced into a large blunt tubercle below, very 
distinctly carinate behind the tubercle; mesosternum with 
an acute tubercle on each side before the intermediate coxe. 
The fuscous border of the fore wing reaches te the apex of 
the stigma. 
Hab. Chapa, Tonkin, May 27, 1916; 1 2. Tong King, 
Haut Mékong, April 13, 1918; 1 @. 
This belongs to the group of 7. zanthoptera, Cam., and 
may he distinguished from other species of the group by the 
wholly black autennee and the wholly ochraceous abdomen. 
?. Clypeus emarginate ; labrum long 
