Mr. F. Walker on some neiv species of Chalcidites. 205 



much broader than the chest, green towards the mouth ; jaws fer- 

 ruginous : eyes and eyelets dark piceous : feelers black ; first joint 

 piceous, tawny at the base : chest nearly elliptical : fore-chest short, 

 much rounded in front ; its length not more than one-fourth of its 

 breadth : shield of the mid-chest rather short ; sutures of the parap- 

 sides very indistinct ; axillae parted by one-fourth of the breadth of 

 the chest ; scutcheon truncate-conical, rather large : hind-chest well 

 developed, obconical, declining, brassy green, with a ridge along the 

 middle and a rim on each side, where there are also a few white 

 hairs : petiole short and very slender : abdomen flat, smooth, shining, 

 purple, bright coppery green at the base, a little longer than broad ; 

 metapodeon occupying more than one-third of the back, its hind- 

 border convex ; octoon not half the length of the metapodeon ; en- 

 naton shorter than the octoon ; decaton as long as the ennaton ; the 

 following segments shorter : hips and thighs brassy ; trochanters and 

 shanks piceous ; knees and feet tawny, tips of the latter piceous ; 

 fore-shanks and fore-feet brown: wings colourless; veins pale brown ; 

 ulna about half the length of the humerus ; radius a little longer than 

 the ulna ; cubitus shorter than the ulna, slightly curved ; brand dark 

 brown, of moderate size. Length of the body 1 line ; of the wings 

 2 lines. 



Dicyclus nigro-aeneus. 



Pachyneuron formosum. 



Pteromalus Carinus, mas. jEneo-viridis, ah domine purpurea flavo 

 maculato hasiceneo-viridi, antennis nigris, pedibus Jlavis, metafemO' 

 rihusfulvis, alls limpidis , proalis fusco maculatis. 



Bright green, with a very slight brassy tint : head and chest convex, 

 shining, finely shagreened : head a little broader than the chest ; 

 front vertical : eyes and eyelets red : feelers black, slender, subclavate, 

 as long as the chest ; first joint long, slender, tawny ; second cup- 

 shaped, piceous, tawny at the tip ; third and fourth very short ; fifth 

 and the following joints to the tenth successively decreasing in length 

 and increasing in breadth ; club elliptical, rather broader than the tenth 

 joint and a little more than twice its length : chest nearly elliptical : 

 fore-chest short, narrower in front ; its length less than one-fourth of 

 its breadth : shield of the mid-chest broader than long ; sutures of the 

 parapsides very indistinct, approaching each other till they reach 

 the hind-border, where they are separated by one-sixth of the breadth 

 of the chest ; axillae rather large, separated by somewhat less than 

 one-third of the breadth of the chest ; scutcheon nearly conical, 

 truncate in front, with a rim along its hind-border, a little more con- 

 vex than the shield ; hind-scutcheon visible but very short : hind- 

 chest obconical, declining, with an indistinct suture along the middle 

 and a rim on each side : petiole very short, not one-fourth of the 

 length of the hind- chest : abdomen nearly conical, a little narrower 

 and much shorter than the chest, depressed, smooth, shining, dark 

 purple, with a large pale yellow spot near the base which is brassy 

 green ; metapodeon occupying about one- third of the back ; octoon 



