HYMEXOPTERA. 225 



narrow abbreviated lines run from the centre ; the mandibles 

 have also a yellow spot at their base ; the labrum ferruginous. 

 Thorax, except the disk which is shining and impunctate, closely 

 punctured ; the disk has two narrow parallel lines not reaching 

 the collar or the base of the scutellum, a short narrow line over 

 the tegulae, a dot on the collar laterally, the tubercles and the 

 middle of the scutellum, yellow ; the wings fusco-hyaline, the 

 nervures fuscous ; a transverse curved line on each side of the 

 pectus, and a short one in front of each intermediate coxa ; the 

 legs reddish-yellow, the femora and coxae more or less stained 

 with fuscous. Abdomen entirely ferruginous. 



Hah. Ceylon. 



11. CERATTNA SIMILLIMA. B.M. 



Male. Length 2% lines. Black, a trilobate spot on the cly- 

 peus, a transverse stripe above, widest in tlie middle ; the inner 

 margins of the eyes as high as the insertion of the antennae, 

 above each of which is a minute oblique spot, and behind the 

 eyes towards their vertex an oblique cream-coloured stripe. The 

 thorax has a lunate spot on the scutellum, two narrow stripes on 

 the disk, a minute spot over the tegulae, the collar and tubercles 

 cream-coloured ; the legs testaceous, the apex of the femora, the 

 tibiae and tarsi yellowish-white ; the apical margins of the seg- 

 ments have narrow white fasciae, interrupted in the middle, that 

 on the basal segment waved ; the abdomen beneath testaceous 

 at the base. 



Hab. East Indies. 



12. CERATIXA SCULPTURATA. 



Female. Length 4 lines. Black, closely and deeply punc- 

 tured ; head, the clypeus has a transverse lunate yellow spot, 

 and a similar yellow spot is situated on the face on each side ; 

 the punctures run into lines on the clypeus, those on the vertex 

 are very large and deeply impressed ; the mandibles have a 

 triangular yellow spot at their base. Thorax, the disk shining, 

 the metathorax opake, very closely and finely punctured, the 

 wings fuscous, their tegulae testaceous, their outer margins pale ; 

 the legs have a fringe of pale pubescence beneath ; the tarsi are 

 densely covered with a glittering pale yellow pubescence, the 

 cla\vs and the apical joints ferruginous. The apical segments of 

 the abdomen rugose ; beneath, covered with a short griseous pu- 

 bescence. 



Hab. Senegal. (Coll. Fred. Smith.) 



