384 Mr. Walker on the British Chalciditet. 



tenine claval.-r, graciles, corporis dimidio paullo longiores; articulus 1"* gra- 

 cilis, suh'.incaris; 2 m longicyathiformis ; .'>'"' et I"" brevet; clava rusiformis, 

 acuminata, articulo 4° latior et plus duplo tongior: thorax Longiovatus, con- 

 vezua : prothorax transversus, sat bene determinable : mesothoraeii scutum 

 longitudine latins; parapsidum sutures conspicuae; icutellum obconicum : 

 metathorax transversus, mediocria : petiolus vix ullua : abdomen longiova- 

 tum, planum, lave, subtus carinatum, thorace paullo brevius non latins: 

 pedes valitli, aimplices, subaequales: ales angustse ; nervus ulnaris humerali 

 paullo Longior, radialis brevissimus, cubitalis longus. 



Cupreua : thorax fulvo interrupte bivittatus : oculi et ocelli rufi: antennae 

 fusco-fulwv hasi et apice flav.c: abdomen nigro-cupreum : pedes pallidefulvi ; 

 coxes aenese; tarsi apice fulvi: alae limpidae ; squamulae flavae ; nerviflavi. 

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



Found near London. 



Sp. 10. Cirr. Phorbas, Fern. Cupreus, antennce fulvce, thorax fulvo vitta- 

 tus, pedes fulvi, alee limpldce. 



Fern. Corpus angustum, sublineare, nitens, scitissime squameum, parce 

 hirtum : caput transversum, breve, convexum, thoracis latitudine: antennae 

 clavatae, corporis dimidio non longiores; articulus 1 " s gracilis, sublinearis ; 

 2" s longicyathiformis ; 3 U8 et 4 U9 longitudine latiores ; clava longiovata ; ar- 

 ticulo 4° latior et plus duplo longior : thorax longiovatus, convexus : pro- 

 thorax transversus, sat bene determinatus : mesothoracis scutum longitudine 

 latius; parapsidum suturae conspicuae; scutellum obconicum : metathorax 

 transversus, brevis : petiolus vix ullus : abdomen longiovatum, planum, laeve, 

 subtus carinatum, thorace paullo brevius et latius : pedes graciles : alae me- 

 diocres ; nervus humeralis ulnari longior, radialis brevis, cubitalis longus. 



Sp. 11. Cirr. Arsames, Fern. Cupreus, antennce fusees, pedes flavi, femora 

 picea, alee limpidce. 



Nigro-cupreus : oculi et ocelli rufi : antennae fuscae : pedes pallide flavi ; 

 coxae nigro-cupreae ; femora nigro-picea, apice flava ; tarsi apice fulvi ; pro- 

 pedes tibiis et tarsis pallide fulvis : alae limpidae ; squamulae fulvae ; nervi 

 flavi. (Corp. long. lin. \ ; alar. lin. 4-) 



Found near London. 



Mas. Corpus sublineare, nitens, scitissime squameum, parce hirtum : caput 

 parvum, transversum, brevissimum, convexum, thorace angustius ; vertex 

 sat latus; frons abrupte declivis : oculi mediocres ; non extantes : antennae 

 graciles, subfiliformes, pubescentes, thorace non longiores, articulus l us li- 

 nearis, gracilis ; 2 U9 longicyathiformis ; 3 US latior, oblongus ; 4 US 3° brevior ; 

 clava fusiformis, acuminata, articulo 4° fere duplo longior : thorax longi- 

 ovatus, parum convexus : prothorax transversus, brevis, supra conspicuus : 

 mesothoracis scutum planum, longitudine vix latius ; parapsidum suturae 

 remotae, non bene determinatae ; scutellum subrotundum; paraptera et epi- 

 mera parva : metathorax sat magnus : petiolus brevis, gracilis: abdomen 

 planum, thoraci fere quoad longum ac latum ; segmentum l um magnum; 

 2 um et sequentia brevia, subaequalia ; pedes graciles, recti, simplices, sub- 

 aequales ; tarsis articulus l us brevis, 2 US 3° paullo longior, 4 US 2° longior ; un- 



