488 ON A NEW GENUS AND TWO NEW SPECIES OF TENTHREDINID M, 



of mesothorax. Legs moderately thick and long, all the tibiae 

 armed with two spurs at the extremity, and the intermediate and 

 hind ones with another spur on the outer edge, about two-thirds 

 from the base. Abdomen short; in the ^ constricted at the base; 

 in the 5 short and thick, the posterior segments short, and raised 

 higher than the base ; the saw lance-shaped, with broad teeth 

 on both sides. Wings : forewings long, one large marginal cell 

 not appendiculate, with four submarginal cells, 1st very small, 

 elongate, oval ; the transverse cubital nervure with a bulla at 

 its apex, which partly obliterates it ; 2nd submarginal elongate, 

 rounded at its base, a little longer than the 3rd submarginal ; the 

 latter broadest at apex ; 2nd discoidal cell long and narrow, 

 broadest at base ; lanceolate cell rather diamond-shaped, petio- 

 lated, and with a bulla on either side where the transverse veins 

 join the anal nervure : hindwings moderate ; inner cubital cell 

 broadest at apex, the transverse cubital vein nearly straight, 

 middle cell wanting. 



(1) Philomastix Nancarrowi, n.sp. 



$. Body, 5 lines ; expanse of wings, 13 lines ; antennae, 3 lines 

 long. 



Ochreous, marked with black ; centre of abdomen steel blue. 

 Head ochreous, ocelli testaceous, eyes dark brown, clypeus pale 

 yellow, shining, with a few shallow scattei-ed punctures, ferruginous 

 at apex ; labrum pale yellow ; mandibles black ; mouth parts and 

 palpi hirsute ; first two joints of antennse black, the remainder 

 pale ochreous. Thorax rounded in front, pronotum shining, an 

 impressed line in centre of mesothorax, the two lateral lobes 

 containing a black patch on either side ; the scutellum shining, 

 rounded behind ; metathorax small ; thorax beneath smoke- 

 col ouied. Legs : fore and intermediate legs and coxse pale cas- 

 taneous, tibiae and tarsi blue-black ; hind legs, coxse, and base of 

 femora sordid ochreous, the remainder blue-black ; all the legs 

 covered with a silvery pubescence. Abdomen : first two segments 

 sordid ochreous, the following bright steel blue, the blue running 

 back in a V-shaped point into the posterior segments, which are 



