MONOGRAPHIA CHALCIDITUM. 179 



mum ; parapsides scuto in unum confusae ; scutellum magnum, 

 convexum : abdomen subcompressum, thorace paullo longius, 

 apicem versus angustius ; segmenta subaequalia : alae mediocres ; 

 stigma nervulum vix conspicuum emittens. 



Sp. 1. Rhap. maculatus. Mas. Viridis, abdomine cyatieo 

 cupreo, antennis nigris, pedibus pallide fuscis, alls sub- 

 hyalinis. 



Obscurus, subtiliter punctatus : caput obscure viride ; latera antice 

 laete cupreo-viridia : oculi ocellique obscure rufi : antenna? nigrae ; 

 articulus l us . flavus, apice fuscus ; 2 US . fuscus : thorax obscure 

 viridis, postice obscure viridi-aeneus ; latera cyanea : abdomen 

 cyaneo-cupreum, nitens, glabrum, basi aeneo-viride : pedes 

 pallide fusci ; coxae virides ; trochanteres flavi ; meso- et meta- 

 tarsi straminei, apice fusci : alae subhyalinae ; proalae subcosta, 

 fusco maculatae ; nervus solitus fuscus, ubi costam percurrit 

 incrassatus ; stigma mediocre. (Corp. long. § lin. ; alar, f lin.) 



October ; on grass beneath trees ; near London. 



Genus VII. Psilonotus," Walker 



Fcm. — Caput mediocre, thorace non latius, antice planum et paullo 

 productum : antenna? 12-articulatae, subclavatae, corporis triente 

 non longiores, submoniliformes ; articuli 5°. ad 9 um . subaequales, 

 parvi, approximati ; clava ovata, articulis 2 praecedentibus paullo 

 latior et longior : thorax planus, depressus : mesothoracis scutum 

 et scutellum maxima, lata ; parapsides scuto in unum confusae ; 

 paraptera et epimera parva : abdomen valde compressum, thorace 

 longius ; segmenta subaequalia : alas mediocres. 



Sp. 1. Psil. adamas. Fem. Viridis, antennis pallide fuscis, 

 pedibus Jlavis, alis hyalinis. 



Laete viridis, glaber, nitidissimus : oculi ocellique rufi : antennae 

 pallide fusca? ; articulus l us . et 2 US . flavi : caput postice, meso- 

 thoracis scuti latera et metathoracis scutellum cupreo-viridia : 

 abdomen asneo-viride : pedes flavi ; coxa? virides ; femora nigro- 

 fusco cingulata ; metatibias fusco cingulataa ; metatarsi apice fusci : 

 alae hyalinae ; nervi flavi ; stigma parvum. (Corp. long, f — f lin. ; 

 alar, f — 1 lin.) 



Var. /3. — Thorax omnino viridis. 



June ; near London. New Lanark, Scotland. 



" ^!/\br glaber, vwros dorsum. 



