MONOGRAPHIA CHALCIDITUM. 303 



humeralis ramulum rejiciens nullum ; cubitalis radiali paullo 

 brevior, stigmate rotundato terminatus. 



Sp. 1. Meto. atrum. Fem. Atrum, pedibus rufo-Juscis, 

 antennis femoribusque nigris, alls fuscis. 



Atrum, obscurum : oculi ocellique rufo-fusci : antennae nigra? ; 

 articuli l us . 3 US . et 4 US . rufi ; 2 US . fuscus : abdomen aeneo-atrum, 

 nitens, fere glabrum : pedes rufo-fusci ; coxae et femora nigra ; 

 tarsi flavi, apice fusci : alae fuscae ; squamulas et nervi obscuriora ; 

 stigma parvum ; metalarum nervi pallidi. (Corp. long, f lin. ; 

 alar. 1^ lin.) 



August ; on grass beneath trees ; near London. 



+++ Antennce 13-articulatce. 

 f Antennce articulo 3°. scepe vix conspicuo. 4°. 5°. que minimis. 



C fere planus. Corpus angustum, sublineare VIII. Playterma. 

 Thorax supra < 



( convexus. Corpus breve, latum IX. Amblymerus. 



Genus VIII. — Platyterma, 11 Walker. 



Corpus angustum, quasi squameum, plerumque sublineare : caput 

 mediocre, thorace vix latius : mandibulae 4-dentata?, parvae, rectse, 

 similes, intus breves et emarginata? ; dens externus mediocris, 

 subacutus ; reliqui parvi, fere obtusi : maxillae elongata?, sub- 

 arcuatas, angusta?, basi lata?, apice acuminata? ; palpi 4-articulati, 

 filiformes ; articuli, l us ., 2 US . et 3 US . subaequales ; 4 US . longior, 

 apice acuminatus : mentum elongato-ovatum : labium parvum, 

 quasi fissum ; palpi 3-articulati, breves ; articulus 2 US . parvus ; 

 3 US . acuminatus: antennae 13-articulatse, clavatae, lata?, corporis 

 dimidio breviores ; articulus l us . sublinearis, gracilis ; 3 US . vix 

 conspicuus ; 4 US . et 5 US . minimi; G us . et sequentes ad 10 urn . 

 magnitudine crescentes, valde approximati ; clava brevi-ovata, 

 depressa, non acuminata, articulo 10°. multo latior : thorax 

 elongato-ovatus aut sublinearis, supra fere planus : prothorax 

 brevissimus : mesothoracis parapsides scuto fere in unum confusae : 

 metathorax parvus, postice vix angustius : maris abdomen sub- 

 lineare, thorace paullo brevius et angustius ; segmentum l um . 

 longum ; sequentia paullo breviora, subaequalia : fem. abdomen 

 ovatum aut sublineare nonnunquam subcompressum, apice acumi- 



h irXuTvs latus, rep/xa finis. 



