160 Mr. Walker on Chalcidites. 



Pteromalus Aglaus, mas. Viridis, abdomine cupreo basi viridi, antennis 



piceis, pedibus fulvis, femoribus fusco-cinctis, alis limpidis. 

 Corp. long. lin. |; alar. lin. 1. 



Body rather narrow : head and thorax green : head a little broader than the thorax : an- 

 tennEB filiform, piceous, a little longer than the thorax ; first joint fulvous towards the 

 base ; club fusiform, more than twice the length of the tenth joint : thorax elliptical : 

 prothorax short: scutum of the mesothorax rather long; sutures of the parapsides 

 indistinct; scutellum subrhomboidal : propodeon large, short-obconical, declining, 

 having three longitudinal striae: podeon very short: abdomen elliptical, depressed, 

 cupreous, shining, narrower and much shorter than the thorax ; metapodeon green, 

 rather large ; octoon and following segments short : legs fulvous ; coxae green ; tips 

 of the tarsi piceous ; a broad fuscous band across each of the hind thighs : wings 

 limpid, rather narrow ; nervures fulvous ; humerus nearly twice the length of the 

 ulna; radius shorter than the ulna; cubitus shorter than the radius; stigma very 

 small. 



July, near London, 



It has some resemblance to Pt. Pronax ( Monograph ia Chalciditum, i. 224). 



Pteromalus Urgo, fern. Cyaneo-viridis, abdominis segmentis basi purpureis, 

 antennis piceis, pedibus flavis, femoribus viridibus, alis limpidis. 



Corp. long. lin. 1^ ; alar. lin. 1|. 



Head and thorax bluish-green ; head not broader than the thorax : antennae piceous, sub- 

 clavate, rather shorter than the thorax ; first joint fulvous ; club conical, flat, twice the 

 length of the tenth joint : thorax oval : prothorax very short : scutum of the meso- 

 thorax large ; sutures of the parapsides very indistinct ; scutellum subrhomboidal : 

 propodeon rather short, declining, narrower behind: podeon very short: abdomen 

 fusiform, shining, green, slightly compressed, concave above, keeled beneath, rather 

 narrower and very much longer than the thorax ; metapodeon of moderate size ; 

 octoon and following segments shorter, some of them purple on the disc, excepting 

 the hind border : legs yellow ; coxae and thighs green ; tips of the tarsi piceous : 

 wings limpid ; nervures yellow ; humerus much more than twice the length of the 

 ulna ; radius longer than the ulna ; cubitus rather shorter than the ulna ; stigma very 

 small. 



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



Differs slightly from Pt. Amyntor (List of Chalcidites in the British Mu- 

 seum, p. 48). 



