MONOGRAPHIA CHALCIDITUM. 251 
Sp. 59. Pter. Faustina. Mas. Cyaneus, abdomen purpureum, 
antennee fusce, pedes flavi, metafemora obscuriora, ale sub- 
limpide. 
Cyaneus: oculi et ocelli rufi: antenne fusce; articulus 1. flavus: 
abdomen cupreo-purpureum, basi cupreum: pedes lete flavi; 
coxee cyanez ; ungues et pulvilli fulvi; metafemora fusca: ale 
sublimpide ; squamulz fuscee; nervi proalis lutei, metalis flavi. 
(Corp. long. lin. 3—3 ; alar. lin. 14—1}. 
Var. 3.—Antennis articulus 2", fulvus: abdomen purpureum, basi 
piceo-cupreum: metafemora fulva. 
October; near London. 
Mas.—Corpus angustum, sublineare, nitens, scitissime squameum, 
parce hirtum: caput transversum, breve, convexum, thorace 
paullo latius: antenne filiformes, corporis dimidio paullo longi- 
ores ; articulus 1%, gracilis, linearis; 2"°, longicyathiformis ; 3. 
et 4". minimi; 5". et sequentes filiformes, usque ad 10". cur- 
tantes ; clava sublinearis, acuminata, articulo 10°, plus duplo 
longior: thorax longiovatus, convexus: prothorax transversus, 
brevissimus: mesothoracis scutum longitudine paullo latius; 
parapsidum suturae vix conspicue; scutellum ovatum; meta- 
thorax transversus, mediocris: petiolus brevissimus: abdomen 
sublineare, depressum, lave, thorace paullo brevius et angustius : 
pedes simplices, subzequales: alae mediocres; nervus humeralis 
ulnari multo longior, radialis ulnari brevior cubitali multo longior; 
stigma minutum. 
Sp. 60. Pter. Tiburtus. Mas. &nco-viridis, abdomen pur- 
pureum, antennee nigro-picee, pedes fulvi, metafemora picea, 
ale limpide. 
Mneo-viridis: caput viride: oculi et ocelli rufi: antenne nigro- 
Piceze ; articulus 1". piceus, basi fulvus; 2". viridis: abdomen 
purpureum, basi viride: pedes fulvi; coxe virides; genua flava; 
meso- et metatarsi flavi, apice fusci; metafemora picea: ale 
limpidee ; squamule fulvee; nervi proalis fulvi, metalis flavi. 
(Corp. long. lin. 2; alar. lin. 1.) 
August; near London. 
Mas.—Corpus gracile, sublineare, nitens, scitissime squameum, parce 
hirtum ; caput transversum, breve, convexum, thorace paullo 
latius: antenne graciles, filiformes, corpore breviores; articulus 
1". linearis, gracilis ; 2"*. cyathiformis; 3". et 4". minimi; 5™, et 
