MONOGRAPHIA CHALCIDITUM. 855 



5"'. et seqixentes ad 12""". lineares, curtantes ; 13"% 12". longior, 

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

 minata, convexa : prothorax magnus, subquadratus : mesothoracis 

 scutum parvum ; parapsidum suturee optima deterrainatae ; 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 ; coxae 

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

 ad4""'.longitudine decrescentes, 5"\ 4°. longior; ungues et pul villi 

 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 nigrw, abdomen 

 nigro-ceneum hasi rufum, pedes Jlavi, alw suhfuscce. 



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

 viride : oculi ocellique rufi : antennae nigrse, pubescentes; articulus 

 1"^ fulvus, apice fuscus, 2"*. fusco-viridis : thorax viridis : ab- 

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

 rium, fere glabrum, apice hirtum : sexualia fusca: pedes flavi ; 

 metafemora apice fusca ; mesotibise fusco cinctae ; tarsi fusci : 

 alae subfuscae ; squanuiloe et nervi pallide fusca : stigma minutum 

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



August; near London, 



Genus Cea, Haliday. 



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

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

 ocelli in vertice triangulum fingentes : antennas graciles, fili- 

 formes, corporis dimidio longiores ; articulus 1"'. longissimus, 

 gracilis ; 2"'. longi-cyathiformis, mediocris ; 3"'. et sequentes 

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

 convexus : prothorax mediocris : mesothoracis parapsidum suturae 

 bene determinatae ; scutellum parvum: metathorax magnus, ab- 

 domini petiolum fingens : abdomen longi-ovatura, angustum, com- 

 pressum, thorace paullo longius ; segmenta transveisa, subaequalia, 

 ventrem obtegentia : oviductus exertus : pedes longi, graciles, 

 suba?quales ; coxae magnae ; femora recta ; tibiae simplices ; tar- 



