H0')/i6 Japanese Hymenoptera. 305 



segment with an oblique stria on each side. Sheaths of 

 the oviduct hardly one-fourtli as long as the abdomen. 

 Legs luteous ; coxae and trochanters white ; tarsi blackish ; 

 hind tibiae black, with a broad white band at a little before 

 the middle. Wings cinereous ; stigma and veins black ; no 

 discal areolet. Length of the body 3|- lines. 



10. Lissonota semistriata. 



Female. Black, shining. Head smooth, fully as broad 

 as the mesothorax. Antennae nearly as long as the body. 

 Thorax slightly and thinly punctured ; sutures strongly 

 marked. Metathorax scalirous, with three longitudinal 

 keels. Abdomen smooth except the three first segments, 

 which are finely and longitudinally striated ; first as long- 

 as the second and third together ; under-side yellow for 

 more than half the length from the base. Oviduct nearly 

 as long as tlie body. Four anterior legs luteous ; coxae 

 black towards tlie base. Hind coxae and hind femora 

 black, with yellow tips, the latter also yellow at the base ; 

 hind trochanters and hind tibiae yellow, the latter black 

 towards the tips and with a blackish .spot above near the 

 base, their spines yellow ; hind tarsi black, yellow at the 

 base. Wings dark cinereous ; stigma and veins black ; 

 discal areolet triangular. Length of the body 4 lines. 



11. Macrus apicifer. 



Female. Black. Head and thorax rather roughly punc- 

 tured. Mouth testaceous. Antennae red, a little shorter 

 than the body, black at the base. Mesothorax white about 

 the insertion of the wings. Metathorax white on the hind 

 part and with a white dot on each side in the fore part, the 

 outline of the white hue conical. Abdomen red, punctured, 

 fully twice as long as the thorax ; first, second, and third 

 segments white on the hind borders ; first white at the base ; 

 fifth, sixth, and seventh black, short. Oviduct nearly as 

 long as the abdomen. Four anterior legs whitish. Hind 

 legs red ; coxae and trochanters black, with whitish tips ; 

 tarsi black ; tips of the first, second, and third joints tes- 

 taceous. Wings cinereous; stigma and veins black. Fore- 

 wings with a black apical spot ; discal areolet triangular, 

 with a vtiry long petiole. Length of the body 5 lines. 



