Mr. Walker on the British Chalcidites. 419 



Sp. 68. Cirr. Lysippe, Fern. Ater prcBcedente multo minor, abdomen cu- 

 preum, antennce fuscce, pedes fusci, tarsi fulvi, alee suhlimpid^. 



Ater : oculi et ocelli rufi: antennae fuscae ; articuli 1"* et 2"^ picei : ab- 

 domen nigro-cupreum : pedes fusci ; coxae nigrge ; trochanteres fulvi ; genua 

 fulva ; tarsi fulvi, apice fusci ; protavsi obscuriores : alse sublimpidae ; squa- 

 mulae fulvse ; proalis nervi fulvi, metalis flavi. (Corp. long. lin. ^ — ^ ; alar, 

 lin. 1—4.) 



July ; near London. 



Fern. Corpus sublineare, nitens, scitissime squameum, parce hirtum : ca- 

 put transversum, breve, convexum, juxta thoraci latum : antennae clavatae, 

 corporis dimidio longiores ; articulus 1"^ gracilis, sublinearis ; 2"* longicya- 

 thiformis ; 4"« 3o brevior ; 5"* adhuc brevior ; clava fusiformis, acuminata, 

 articulo 5° duplo longior : thorax breviovatus, convexus : prothorax brevis- 

 simus, supra vix conspicuus : mesothoracis scutum latitudine longius; parap- 

 sidum suturae bene determinatae ; scutellum brevi-conicum : metathorax 

 transversus, mediocris : petiolus brevissiraus : abdomen longiovatum, tho- 

 race multo longius vix latius, supra planum, subtus carinatum, apice acumi- 

 natum : pedes graciles : proalae latae ; nervus ulnaris humerali longior, ra- 

 dialis vix uUus, cubitalis sat longus. 



Sp. 69. Cirr. Achaemenes, Fem. jEneus aut viridis, abdomen cupreum^ 

 antennae picecB, pedes fusci, femora cenea, tarsi jlavi, alee limpidee. 



Nigro-aeneus : oculi et ocelli rufi : antennae piceae ; articulus 1"* nigro- 

 seneus: abdomen cupreum : pedes flavi; coxse nigro-aeneae; femora nigro- 

 senea ; tibiae fuscae ; tarsi fulvi, apice fusci ; propedum femora apice flava, 

 tibias fulvae, tarsi pallide fusci : alee limpidse ; squamulse piceae ; nervi fulvi. 

 (Corp. long lin. %■ ; alar. lin. 1 .) 



Far. /3. — Nigro- viridis, abdomen cupreum. 



Var. y. — Mesotibiae basi flavse. 



Found near London. 



Mas. Corpus sublineare, nitens, scitissime squameum, parce hirtum : ca- 

 put transversum, breve, convexum, juxta thoraci latum : antennce filiformes, 

 corporis longitudine, pilis longis vestitae ; articulus 1"M on giovatus, latus; 

 2"* longicyathiformis ; 3"® brevis ; 4"% 5"' et 6"* longi, lineares ; clava longi- 

 fusiformis, acuminata, articulo 6° duplo longior : thorax ovatus, convexus : 

 prothorax brevissimus, supra vix conspicuus : mesothoracis scutum latitu- 

 dine longius ; parapsidum suturse bene determinatae ; scutellum breviconi- 

 cum : metathorax mediocris, transversus : petiolus brevissimus : abdomen 

 sublineare, planum, thorace brevius fere angustius : pedes graciles : proalae 

 angustae ; nervus ulnaris humerali longior, radialis vix uUus, cubitalis sat 

 longus. 



[To be continued.] 



