NOTES ON CHALCIDLE. 121 



--Pteromalus nigricans. Fcem. — Cyaneo-niger ; caput thorace 

 multo latius ; antennae fuscae, extrorsum crassiores, thorace non 

 longiores, articulo lo luteo, clava lanceolata ; abdomen longi-ovatum, 

 basi apice aeneum, subtus abrupte angulatum, thorace paullo brevius 

 vix angustius ; pedes fusci, tibiis basi apiceque tarsisque flavescente 

 albis ; alas diaphance, venis pallidissirae testaceis, stigmate minirao. 

 Mas ? — Aurato-viridis ; antennae luteae ; pedes flavi. 



Female. — Bluish black. Head much broader than the thorax. 

 Antennae brown, slightly increasing in thickness towards the tips ; 

 first joint luteous ; second elongate-cyathiform ; third and fourth 

 very minute ; fifth and five following successively and slightly 

 decreasing in length ; club lanceolate, more than twice the length of 

 the tenth joint. Prothorax very short. Sutures of the parapsides 

 very indistinct. Metathorax short. Abdomen sessile, aeneous towards 

 the base and towards the tip, elongate-oval, abruptly angular and 

 ascending beneath towards the tip, a little shorter and hardly 

 narrower than the thorax. Legs brown ; knees, tibiae at the base and 

 at the tips and tarsi yellowish white. Wings pellucid ; veins very 

 pale testaceous ; ulna less than half the length of the humerus ; 

 radius a little shorter than the ulna ; cubitus as long as the radius ; 

 stigma very small. Male? — Gilded green. Antennae luteous. Legs 

 yellow. Length of the body 1£ line. 



Pteromalus dulcis. Mas. — Aurato-viridis ; caput thorace multo 

 latius ; antennae luteae, thorace breviores, clava fusca lanceolata ; 

 paraptera magna ; metathorax subcarinatus ; abdomen cupreum, fere 

 lineare, busi aureo-viride ; pedes flavi, femoribus luteis ; alae auticae 

 sublutescentes, venis testaceis, stigmate mediocri. 



Male. — Gilded green. Head much broader than the thorax. 

 Antennas luteous, slightly increasing in thickness towards the tips ; 

 second joint elongate-cyathiform ; third and fourth very minute ; 

 fifth and five following successively decreasing in length ; club 

 brown, lanceolate, more than twice the length of the tenth joint. 

 Prothorax very short. Sutures of the parapsides very indistinct. 

 Paraptera large. Metathorax well developed, with a slight longitu- 

 dinal furrow. Abdomen sessile, nearly linear, cupreous, gilded green 

 at the base. Legs yellow ; femora luteous. Wings pellucid. Fore 

 wings with a slight luteous tinge ; veins testaceous ; ulna about half 

 the length of the humerus; radius longer than the ulna; cubitus 

 much shorter than the ulna ; stigma of moderate size. Length of the 

 body If line. 



» Pteromalus consuetus. Mas. — iEneus ; caput thorace latius ; 

 antennae nigrae, extrorsum cassiores, thorace paullo longiores, clava 



