c'AMKKON, FOSSOKKS. 273 



5 (4) Medium sized; llu> \ello\\ hands mi abdomen not linked with vellow, Ihe meianotal area without 

 a central furrow, Ilic sides with s ..... e deep, bordered furrows. masfniii-n. 



fi (17) Metanotal area transversely singled, ihc 2nd and following abdominal segments orange yellow, wings 

 uniformly fuscous. cratocephala. 



7 (3) Metanotal area rugose, wings for the greater part hyaline. 



8 (9) Sides of inetanotitin hroadlv yellow, the head and body densely haired, trichionota. 



9 (8) Sides of nielaiiotiiin black, the head and bodv not densely haired. 



to (11) Apex of 1st abdominal segment hroadlv vellow, the fa<-e, clypeiis and apex of abdomen red. 



erythroura. 



11 (\'2^i Apical half of Isl abdominal seamen! red, the apex of 2nd narrowly reel, pii'tinoda. 



12 (11) Abdominal basal segment black, Ihe sides of 2nd segment yellow. kilimandjaroensis. 



13 (6) Metanotal area obliquely striated, the sculellums red, the sides of 1st abdominal segment broadly 



yellow. 



Cerceris basiornata, sp. uov. 



Black, the Isl abdominal segment, the sides of the 2nd above and beneath broadly 

 i Ihe black upper central part being triangular) and the pygidium, red; the clypeus, the 

 face except above, its upper central part triangularly narrowed, so that the top is in 

 3 divisions, the apex of the 3rd abdominal segment, narrowly in the centre, broadly on 

 the sides, the 6th segment except at the base and the 3rd ventral, red; antennal scape 

 yellow below, the flagellum below and the apical joint entirely, brownish red; legs with 

 the coxa 3 black, the trochanters and femora red, the latter black below, the tibia? and 

 tarsi yellow, the hind iibkp rufous below, the apical joints of the tarsi rufous. Wings 

 hyaline, iridescent, the nervures and stigma black; the pedicle of the 2nd cubital cellule 

 half the length of the basal branch which is more roundly curved than the apical; the 

 recurrent nervure is received near the apex of the basal fourth of the cellule. Metanotal 

 area smooth, furrowed down the middle, tf. Length 8 mm. 



Merit rainforest, 3000 m. January. 



Last antennal joint bare, smooth, shining, slightly, but distinctly dilated, the apex 

 rounded. Head and thorax strongly punctured; the parts bordering the clypeus black 

 except at the apex, which is rufous; the black parts covered with silvery pubescence. 

 Abdominal petiole almost twice longer than wide. Pygidium coarsely, sparsely, irregul- 

 arly punctured; its apex transverse, depressed behind; apex of hypopygium depressed, the 

 sides roundly raised. 



May be known from ('. pictiiioda by the 1st abdominal segment being entirely 

 red and by the smooth metanotal area. 



Cerceris Yngvei, sp. nov. 



Black, the head from below the antennal keel, laterally extending shortly above 

 the antenna?, the lateral marks roundly narrowed above, the marks above the clypeus 

 roundly dilated in the middle and more broadly in the centre below, there being a black 

 spot on either side of it below, a line on the sides of the 2nd abdominal segment, 

 widened laterally to the base of the segment, where Ihe yellow is suffused with red, a 



>/(/. './/X A /// ii'iiii'lj'ii-ii Mi't-H l-'..i iifilitinn. 8. 35 



