104 ^Ir, K. E. Tiinicr on Fossoju'al IJx/mey^optera. 



Long., excl. tegni., 11-17 mm. ; exp. tegm. 31-40 mm. 



Hab. Tonkin ; Cliapa [R. Vitalis de Salcaza). N. China 

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

 Baker). 



A somcwliat variable s[)pcies, allied to M. ejf'ecio, Dist. 

 In some specimens the basal cell of tcgmina is ochraceous, 

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

 are fused. 



Haechys tonkinensis, sp. n. 



Head, pronotum, and mesonotnm black ; vertex of head 

 with almost anterior half^ the ocelli and an angulatcd spot 

 behind them, pronotum with a central, l)road, longitudinal 

 fascia which is strongly, medially, angularly compressed, 

 mesouotum with the lateral margins and a medial, longi- 

 tudinal, anteriorly strongly attenuated fascia sanguineous; 

 iace black, apically sanguineous ; sternum, opercnla in 

 male, body beneath and above sanguineous; legs black; 

 tcgmina dark brownish, the venation darker ; wings sub- 

 liyaline, the venation dark brownish ; head with the face 

 strongly, centrally, longitudinally sulcate for about two-thirds 

 its length, the transverse lateral striations very coarse ; 

 liead (including eyes) about as wide as base of mesonotnm; 

 bead about as long as pronotum ; mesonotnm (including 

 cruciform elevation) longer than pronotum ; tegmina with 

 eigiit apical areas ; opercula in male not passing base of 

 abdomen, well separated, but inwardly obliquely directed ; 

 their apices roundly truncate. 



liong.. excl. tegm., (^ , 18 mm. ; ex[). tegm. 40 ram. 



Hab. Tonkin; Ciiapa [R. Vitalis de Salvazd). 



Allied to H. c/iri/selectra, Dist., from Borneo. 



^ I. — Incites on Fossori'd Hyme.noptera. — XXV. ()n new 

 kSphecoidea in the British Mut,euin. By KOWLAND E. 

 TuKNEH, F.Z.S., F.E.8. 



Subfamily PHiLA^'THiyjE. 



Cerceris arrnic/eraj sp. n. 



$. Xigra ; clypeo, mandibulis ba.si, scapo, i'roiite sub antennis, 

 segmeiito dorsali seciuido macula baj^ali utrinque, segmentisque 

 quarto qiinitoque fascia apicali einarginata flavis ; vertice macula 

 utrinque pone oculos, pronoto macula utrinque, tegulis, fcmoribus 



