386 Mr. F. Walker's Notes on Chalcidites, 



rallbus flavis ; pectus flavo bimaculatum ; scutellum conicum, 

 bispinosum, flavo bimaculatum ; metathorax cornubus duobus 

 apice rufescentibus ; petiolus abdominis dimidio brevior; 

 abdomen longi-ovatum, compressum, subtus flavescens, thorace 

 valde brevius ; pedes pallide flavi ; alae fuscescente cinerese. 

 Eucharis plagiata, Westwood, MSS. 



Male. — Black, stout. Head nearly smooth, not broader than 

 tlie thorax. Antennae piceous, with nine branches ; scape yellow. 

 Thorax largely punctured, Prothorax well developed in the 

 middle, with a yellow spot on each side, where it is much 

 narrower. A yellow spot on each side of the pectus in front of 

 the fore-wings. Scutum sliort ; sutures of the parapsides slight ; 

 scutellum conical, ending in two spines, with a yellow spot on 

 each side. Metathorax well developed, armed with two stout 

 horns with reddish tips. Petiole slender, less than half the length 

 of the abdomen. Abdomen elongate oval, compressed, smooth, 

 yellowish beneath, very much shorter and narrower than the 

 thorax. Legs pale yellow. Wings brownish-cinereous ; veins 

 piceous ; humerus thickened towards its tip ; ulna full half the 

 length of the humerus; radius nearly obsolete; cubitus short, 

 black, descending directly towards the disk. 



Length of the body 3^ lines; of the wings 5 lines. 



Para. Presented by Mr. Bates. In the British Museum. 



Schizasjndia cyanea. 

 Mas. — Saturate cyanea, crassa ; antennae nigrse, 8-ramosae, 

 capitis latitudine non longiores ; thorax rude punctatus ; 

 parapsidum suturae indistinctae ; scutellum elongatum, spinis 

 duabus crassis sub-arcuatis abdominis apicem longe super- 

 antibus ; petiolus robustus, striatus, abdominis dimidio 

 brevior ; abdomen compressum, thoracis dimidio non longius ; 

 pedes fulvi, femoribus nigris ; alse anticse macula sub-costali 

 fusca diffusa. 



Male. — Dark blue, thick. Head short, nearly smooth, not so 

 broad as the thorax. Antennae black, not longer than the breadth 

 of the head, with eight branches which successively decrease in 

 length. Thorax roughly punctured. Prothorax extremely short. 

 Scutum broad; sutures of the parapsides indistinct; scutellum 

 large, elongate, ending in two thick, slightly curved spines which 

 extend much beyond the tip of the abdomen. Metathorax short, 

 vertical. Petiole stout, striated, less than half the length of the 

 abdomen. Abdomen smooth, compressed, not more than half the 

 length, and less than half the breadth of the thorax. Legs tawny ; 



