MONOGRAPHIA CHALCIDITUM. 355 



5 US . et sequentes ad 12 um . lineares, curtantes ; 13 Us . 12°. longior, 

 apice conicus : thorax longus, linearis ; segmenta bene deter- 

 minata, convexa : prothorax magnus, subquadratus : mesothoracis 

 scutum parvum ; parapsidum suturse optime determinatae ; scu- 

 tellum breviovatum ; paraptera et epimera magna : metathorax 

 magnus, per medium sulcatus; abdomen sublineare, planum, 

 thorace brevius, basi angustum, apice subquadratum ; segmenta 

 transversa subaequalia : pedes longi, graciles, simplices ; coxa? 

 magnae ; femora juncea; tibiae rectse ; tarsi longi, articuli 1°. 

 ad4 um . longitudine decrescentes, 5 US . 4°. longior; ungues et pulvilli 

 minuti ; alae longae, angustae ; nervus humeralis ulnari vix lon- 

 gior, ramulum nullum emittens ; cubitalis mediocris, rectus ; 

 radialis cubitali duplo longior; stigma ramulum brevem emittens. 



Sp. 1 . Mer. Phedyma. Mas. Viridis, antenna, nigra?, abdomen 

 nigro-ceneum basi rufum, pedes Jlavi, alw sub/ usees. 



Corpus scite squameum, pubescens : caput viride, antice cyaneo- 

 viride : oculi ocellique rufi : antennas nigra?, pubescentes ; articulus 

 l us . fulvus, apice fuscus, 2 US . fusco-viridis : thorax viridis : ab- 

 domen nigro-aeneum, laeve, basi rufescens viridi indistincte va- 

 rium, fere glabrum, apice hirtum : sexualia l'usca: pedes flavi ; 

 metafemora apice fusca ; mesotibiae fusco cinctae ; tarsi fusci : 

 alae subfuscse ; squamulae et nervi pallide fusca : stigma minutum 

 concolor. (Corp. long. lin. § ; alar. lin. 1.) 



August; near London, 



Genus Cea, Holiday. 



■Fern. Caput mediocre, transversum, subquadratum, antice impressum, 

 thorace paullo latius : oculi mediocres, subrotundi, non extantes : 

 ocelli in vertice triangulum fingentes.: antennae graciles, fili- 

 formes, corporis dimidio longiores ; articulus 1 DS . longissimus, 

 gracilis ; 2 US . longi-cyathiformis, mediocris ; 3 as . et sequentes 

 breviores, aequales, approximati ; thorax longi-ovatus, angustus, 

 convexus : prothorax mediocris : mesothoracis parapsidum sutuiae 

 bene determinatae ; scutellum parvum: metathorax magnus, ab- 

 domini petiolum fmgens : abdomen longi-ovatum, angustum, com- 

 pressum, thorace paullo longius ; segmenta transveisa, subaequalia, 

 ventrem obtegentia : oviductus exertus : pedes longi, graciles, 

 subsequales ; coxae magnae ; femora recta ; tibiae simplices ; tar- 



