180 Mr. F. Walker on some nev) species of Chalcidites. 



joints unto the ninth small, successively increasing in breadth ; eighth 

 and ninth joints yellow ; club 3-jointed, fusiform, as long as the three 

 preceding joints : thorax rounded in front, square behind, aeneous 

 green, pale red on each side : prothorax transverse, short, convex in 

 front, straight behind : scutum of the mesothorax broad ; parapsides 

 united to the scutum ; axillae large, triangular, complete or meeting 

 together between the scutum and the scutellum ; scutellum cupreous, 

 large, obconic : metathorax, propodeon and podeon very short and 

 broad : abdomen obconic, depressed, cupreous, smooth, shining, much 

 shorter than the thorax ; metapodeon, octoon, ennaton and decaton 

 of moderate size ; protelum, paratelum and telum short : legs yellow ; 

 middle tibiae and tarsi dilated and the former armed with long spines ; 

 a broad interrupted piceous band across each thigh and tibia : wings 

 limpid ; nervures fulvous ; humerus rather less than half the length 

 of the wing ; ulna extremely short ; radius very short ; cubitus longer 

 than the radius ; stigma very small. 



England. From the collection of the Rev. G. T. Rudd. 



18. Encyrtus Genutius, fern. Viridis, scutello cupreo, ahdomine 

 purpurea, antennis fulvis apice piceis , pedihus fulvis fusco cinctis, 

 alls Umpidis. (Corp. long. lin. |^; alar. lin. 1^.) 



Body stout : head and thorax convex, dull green, pilose, finely 

 squameous : head transverse, a little broader than the thorax ; vertex 

 broad ; front abruptly declining : eyes of moderate size, not promi- 

 nent : ocelli forming a triangle on the vertex : antennae clavate, ful- 

 vous, piceous toward the tips, inserted near the mouth ; first joint 

 long, stout; second long-cyathiform ; third and following joints 

 short, successively increasing in breadth until the ninth ; club ellip- 

 tical, piceous, broader than the ninth joint and more than thrice its 

 length : thorax oblong- quadrate : prothorax transverse, very short ; 

 scutum of the mesothorax broad, nearly flat on the disc ; parapsides 

 united to the scutum ; axillae complete or meeting together on the 

 dorsum ; scutellum cupreous, obconic : propodeon transverse, short, 

 declining : podeon extremely short : abdomen obconic, purple, de- 

 pressed, smooth, shining, rather shorter and narrower than the tho- 

 rax ; metapodeon of moderate size ; octoon and following segments 

 short : oviduct subexserted : legs fulvous ; mesotibiae and mesotarsi 

 dilated and the former armed with long spines ; coxae green ; thighs 

 and tibiae and tips of the tarsi fuscous : wings limpid ; nervures ful- 

 vous ; humerus much less than half the length of the wing ; ulna 

 fuscous, very short; radius extremely short; cubitus of moderate 

 length, pointing towards the disc of the wing ; stigma very small. 



England. From the collection of the Rev. G. T. Rudd. 



19. Encyrtus Mamertus, mas. Niger, antennis nigris, pedibus ful- 

 vis, alls Umpidis. (Corp. long. lin. \; alar. lin. 1.) 



Body black, stout, slightly pubescent : head and thorax convex, 

 finely squameous : head transverse, very short, nearly as broad as 

 the thorax ; vertex broad ; front impressed, abruptly declining : eyes 

 of moderate size, not prominent ; ocelli near together in a triangle 



