MONOGRAPHIA CHALCIDITUM. 1^5 



Ater, obscurus : oculi et ocelli obscure rufi : antennae picese, basi et 

 apice pallidiores : mesothoracis scutellum basi laete flavum : abdo- 

 men nitens : pedes picei ; genua fulva ; tarsi fulvi, apice fusci : 

 proalae fuscae, basi limjudae ; maculae 2 costales nigro-fuscae ; 

 nervi fusci; metalse limpidae. (Corp. long. lin. 1^ ; alar. lin. 2|.) 



Reared from the coccus of Corylus AveUana, by Mr. Curtis. 

 Found near Paris by the Comte de Castelneau. 



Mas. — Corpus sublineare, crassum, convexura, parce pubescens, 

 scite punctatum : caput transversum, breve, subquadratum, thorace 

 paullo latius ; frons abrupte declivis : oculi mediocres, non 

 extantes : antennae filiformes, pubescentes, corporis dimidio paullo 

 longiores ; articulus l''^ gracilis, fusiformis ; 2°'. brevis ; 3''^ et 

 sequentes ad 8"™. lineares, subsequales ; clava fusiformis, articulo 

 8". paullo latior et fere duplo longior : thorax ovatus, altus, postice 

 abrupte declivis : mesothoracis scutum latitudine fere longius ; 

 paraptera vix convenientia ; scutellum rhombiforme : abdomen 

 sublineare, planum, scitissime punctatum, fere glabrum, thorace 

 paullo brevius et angustius. 



Sp. 71. En. obscurus. Mas. Ater, tarsi picei, proalce fusco- 

 fasciatce. 



Encyrtus obscurus. Dalman., Kongl. Vetens. Acad. Handl. 

 for ar, 1820; Nees ah Ess. Hym. Ich. 

 affin. Monogr. II. 209. 



Ater, subnitens : oculi et ocelli picei : antennae nigras : abdomen 

 nitens : pedes nigri ; pro- et mesotarsi picei : proalae subfuscae, 

 basi limpidae, fusco fasciatae, ad costam nigro bimaculata3 ; nervi 

 fusci ; metalae limpidae. (Corp. long. lin. 1 ; alar. lin. 2.) 



May, near London. Found on the white-thorn, in Putney 

 ■Common, by Mr. Haliday. 



Fern. — Corpus crassum, breve, punctatum, obscurum, pubescens : 

 caput transversum, breve, convexum, juxta thoraci latum : antennae 

 clavatae, breves, corporis dimidio fere breviores ; articulus l'*^. 

 fusiformis, vix dilatatus ; 2"'. subcyathiformis ; 3"^ et sequentes 

 parvi, usque ad 8"^™. latescentes ; clava ovata, plana, articulo 8". 

 multo latior et plus duplo longior : thorax ovatus, convexus : 

 mesothoracis scutum transversum ; parapsidum suturae non con- 

 spicuae ; paraptera supra non convenientia ; scutellum brevi- 

 obconicum : abdomen subrotundum, planum, Iseve, nitens, fere 

 glabrum, thorace brevius et paullo latius; segmenta subtus per 

 NO. II. VOL. V. P 



