104 l\lr. R. E. Tinner on Fossorial Ilymenoptei-a. 



Long., excl. tegm., 14-17 mm. ; exp. tegm. 31-40 mm. 



Hab. Tonkin ; Cliapa {R. Vitalis de Salvaza). N. China 

 (Brit. Mus.). Philippine Is.; Malinao, Tayabas {C. T. 

 Baker^. 



A somewhat variable species, allied to M. effecta, Dist. 

 In some specimens the basal cell of tegmina is ochraceous, 

 in others the inner and outer dark fasciae of the basal area 

 are fused. 



Huechys tonkinensis, sp, n. 



Head, pronotum, and mesonotuin l)lack ; vertex of head 

 with almost anterior half, the ocelli and an angulated spot 

 behind them, pronotum with a central, broad, longitudinal 

 lascia which is sti'ongiy, medially, angidarly compressed, 

 mesonotum with the lateral margins and a medial, longi- 

 tudinal, anteriorly strongly attenuated fascia sanguineous ; 

 i'ace black, apically sanguineous ; sternum, opercnla in 

 male, body beneath and above sanguineous; legs black; 

 tegmina dark brownish, the venation darker ; wings sub- 

 hyaline, the venation dark brownish ; head with the face 

 strongly, centrally, longitudinally sulcate for about two-thirds 

 its length, the transverse lateral striations very coarse ; 

 head (includmg eyes) about as wide as base of mesonotum; 

 head about as long as pronotuui ; mesonotum (including 

 cruciform elevation) longer than pronotum ; tegmina with 

 eight apical areas ; opercnla in male not passing base of 

 abdomen, well separated, but inwardly obliijuely directed ; 

 their apices roundly truncate. 



Long., excl. tegm., (^ , 18 mm.; exp. tegm. 40 mm. 



Hab. Tonkin ; Chapa [R. litu/is de Salva~a). 



Allied to H. chryselectra, Dist., from Borneo. 



VI. — Notes on Fossvrinl Hyvieaoptera. — XXV. On new 

 iSpliecoidea in the British Ma.seuni. By KOWLAND E. 

 TuRNEK, F.Z.S., F.E.8. 



Subfaniiij' Fhilanthcnji:. 



Cerceris armiyerUj sj), ii. 



$ . Nigra ; cljpeo, mandibulis basi, scapo, fronte sub antennis, 

 seguiento dorsali secuudo macula basali utrinque, segmentisque 

 quarto qumtoque fascia apicali emarginata fiavis ; vertice macula 

 uirinque pone oculos, prouoto macula utrinque, tegulis,femoribu8 



