

Mr. Walker on the British Chalcidites. 351 



nigro-cupreae; femora pallide fusca ; tarsi flavi, apicc fusci ; protarsi obscu- 

 riores : alas limpidas ; squamulas piceae ; nervi fulvi, metalis flavi. (Corp. 

 long. lin. 1 ; alar. lin. \\.) 



Found near London. 



Fern. Corpus longum, angustum, nitens, scitissime squameum, parce hir- 

 tum : caput mediocre, transversum, breve, convexum, thorace vix angustius ; 

 vertex latus ; frons abrupte declivis, parum impressa : oculi mediocres, sub- 

 rotundi, non extantes : antennas subclavatas, corporis dimidio longiores ; ar- 

 ticulus l" 8 longissimus, gracilis, sublinearis ; 2 US longicyathiformis ; 3 US , 4" 8 et 

 5 US lineares, subaequales; clava fusiformis, acuminata, articulo 5° fere duplo 

 longior: thorax ovatus, convexus: prothorax transversus, brevissimus, supra 

 conspicuus : mesothoracis scutum latitudine longius, dorso foveolatum ; pa- 

 rapsides remotas, suturas bene determinates, postice mutuo accedentes; pa- 

 raptera et epimera conspicua ; scutellum obconicum : metathorax mediocris : 

 abdomen fusiforme, acuminatum, thorace longius et angustius, supra de- 

 pressum, subtus carinatum ; segmenta transversa, brevia, subasqualia: pedes 

 mediocres, simplices, subaequales; tarsis articuli l us et 3 US breviores, 2 US 

 et 4 US longiores ; ungues et pulvilli parvi : alas mediocres, non ciliatae ; 

 nervus ulnaris crassus, humerali fere longior, radialis vix ullus, cubitalis sat 

 longus in alas discum declivis, apice stigma fingens, bimucronatum. 



Sp. 38. Cirr. Adalia, Fern. Viridi-cyaneus, antennas piceae, pedes flavi, 

 femora viridia, alee limpidce. 



Laste viridis cupreo-varius : oculi et ocelli rufi: antennae nigro-piceae; 

 articuli l us et 2 US viridi-picei : abdomen cyaneo-viride cupreo-varium : ovi- 

 ductus vaginas fuscae : pedes flavi ; coxae virides ; femora viridia, apice flava \ 

 tarsi apice fusci : protarsi fulvi : alas limpidae ; squamulae piceae ; nervi 

 proalis fusci, basi flavi, metalis flavi. (Corp. long. lin. 1^; alar. lin. l£.) 



Var. /3. — Abdomen cyaneum, apicem versus minime cupreo-varium. 



Far. y. — Laete cyaneo-viridis : antennae piceae ; articuli l us et2 us virides : 

 abdomen aeneo-varium ; protarsi fusci : proalis nervi fulvi. 



Var. B. — Abdomen laete cyaneum, basi viridi-aeneum. 



May, June ; near London, Hampshire, Isle of Wight, Scotland. 



Fern. Corpus angustum, nitens, scitissime squameum, parce hirtum : caput 

 mediocre, transversum, breve, convexum, thorace fere latius, vertex latus ; 

 frons impressa, abrupte declivis : oculi mediocres : antennas graciles, ex- 

 trorsum crassiores, corporis dimidio longiores ; articulus l us longifusiformis, 

 validus ; 2 US longicyathiformis ; 3 US et sequentes longi, sublineares, usque ad 

 5 ura paullulum curtantes et latescentes ; clava fusiformis, articulo 5° paullo 

 latior et multo longior : thorax longiovatus, parum convexus : prothorax 

 transversus, parvus, supra conspicuus : mesothoracis scutum latitudine lon- 

 gius ; parapsidum suturas bene determinatas ; scutellum obconicum : meta- 

 thorax mediocris : petiolus brevissimus : abdomen fusiforme, supra planum, 

 subtus carinatum, apice attenuatum et acuminatum, thorace paullo longius 

 et latius; segmentum l um magnum; 2 um et sequentia transversa, brevia: 

 pedes graciles, simplices, subasquales ; tarsis articulus l u 2° brevior, 3 US 1» 



