Mr. Walker on the British Chaicidites. 233 



fulvi : abdomen vivide ; discus purpureo-cupreus : pedes fulvi ; coxae cya- 

 neo-virides; femora viridi-picea; genua flava ; meso- et metatarsi fiavi, 

 apice fusci : alae fuscae ; squamulae piceae ; nervi proalis fusci, metalis flavi. 

 (Corp. long. lin. 1 ; alar. lin. l-§-.) 



Found near Edinburgh, by Dr. Greville. 



Mas. P. Favorino proximus : corpus longum, sublineare, convexum, pa- 

 rum nitens, scitissime squameum, parce hirtum : caput transversum, breve, 

 thorace paullo latius ; vertex latus ; frons abrupte declivis, vix impressa : 

 oculi mediocres, non extantes : antennae graciles, filiformes, thorace multo 

 longiores ; articulus l us gracilis, sublinearis ; 2 US snbrotundus ; 3 US et 4 US 

 minimi; 5 ua et sequentes longi, lineares, usque ad 10 um curtantes ; clava 

 longifusiformis, articulo 10°plusduplo longior : thorax longiovatus : protho- 

 rax transversus, brevissimus : mesothoracis scutum longitudine vix latius ; 

 parapsidum suturae vix conspicuae; scutellum prominens, fere conicum : me- 

 tathorax transversus, sat magnus, declivis, postice angustior : petiolus bre- 

 vissimus : abdomen depressum, laeve, nitens, basi ad apicem latescens, tho- 

 race paullo longius et angustius : pedes graciles, simplices, subaequales : alas 

 mediocres ; nervus humeralis ulnarifere duplo longior, radialis ulnari multo 

 longior, cubitalis radiali multo brevior ; stigma minutum. 



Sp. 2. Pter. Varro, Mas. Cyaneo-viridis, abdomen cupreo pur pure urn 

 fulvo-maculatum, antenna? nigrce, pedes lutei fusco-cincti, alee limpidce. 



Cyaneo-vmdis : oculi et ocelli rufi: antennae nigrae; articuli l us et 2 l,s 

 virides : abdomen cupreo-purpureum, ante medium fulvo obsolete macula- 

 turn : pedes lutei ; coxae virides ; femora fusca, apice flava ; tarsi apice 

 fusci ; mesotibise fusco cinctae ; metatibiae fuscae ; protarsi fulvi : alae lim- 

 pidae ; squamulae piceae ; nervi proalis fusci, metalis flavi. (Corp. long. lin. 

 1^; alar. lin. 2\.) 



Found near Edinburgh, by Dr. Greville. 



Genus Encyrtus, Dahnan. 



Mas. E. clavicorni proximus : corpus breve, crassum, latum, convexum, 

 scitissime squameum, rude punctatum, parum nitens, parce pubescens : ca- 

 put transversum, breve, thorace non latius ; vertex latus ; frons abrupte de- 

 clivis, non impressa : oculi mediocres, non extantes : antennae clavatae, 

 crassae, ad os insertae, thorace longiores; articulus l us basi ad apicem lates- 

 cens ; 2 US longicyathiformis ; 3 US et sequentes breves, usque ad 8 um lates- 

 centes; clava longiconica, articulo 8° multo latior et triplo longior : thorax 

 sublinearis, latitudine duplo longior: prothorax transversus, brevissimus: 

 mesothoracis scutum longitudine multo latius ; parapsides scuto in unum 

 confusae ; paraptera fere inter scutum et scutellum convenientia ; scutellum 

 magnum, longiobconicum : metathorax transversus, parvus : abdomen obco- 

 nicum, planum, nitens, laeve, fere glabrum, quasi sessile, thorace multo bre- 

 vius vix angustius; segmentum l um maximum, 2 um et sequentia brevissima : 

 pedes validi ; mesopedum tibiae longae apice crassae et spinigerae, tarsi lati : 

 ala? mediocres ; nervus humeralis costae dimidio brevior, cubitalis sat longus, 

 ulnaris et radialis nulli. 



Ann. Nat . Hist . Vol.4. No. 24. Dec. 1839. s 



