20 MONOGRAPHIA CHALCIDITUM. 
angustius ; segmenta transversa, 1"". magnum, 2". et sequentia 
breviora, subsequalia: oviductus abdomen paullo superans: pedes 
validi, simplices, subaquales; coxee parve; femora subcom- 
pressa; tibiee rectze ; tarsi breves, articulus 1"*. brevis, 2". et 3". 
longiores, 4"S. adhue longior; pulvilli magni: ale ample, den- 
sissime pubescentes, vix ciliates; proalis nervus solitus costae 
dimidio longior, ulnaris crassus humerali non brevior, cubitalis 
crassus, sat longus, in discum abrupte declivis, stigma fingens 
minutum fere bimucronatum, radialis nullus: metalis nervus uni- 
cus simplex coste dimidio longior. 
Sp. 10. Ptero. Actis. Fem. Viridi-ater, abdomen nigro- 
piceum, antenne fusce, pedes flavi, ale subfusce. 
Viridi-ater: oeuli lete rufi: antennze pallide fuscee ; articulus 1%. 
leete flavus: abdomen nigro-piceum, basi fusco-fulvum: oviductus 
flavus ; vaginee fuscee: pedes fulvo-flavi; coxz virides; tarsi 
apice pallide fusci: alee subfuscee; squamulee fusce; nervi fusci. 
(Corp. long. lin. 3—#; alar. lin, }—1.) 
Var. 8.—Abdomen subtus omnino fulyum. 
Var. y.—Antennis articulus 2"*. nigro-fuscus: abdomen nigrum, basi 
nigro-piceum. 
Var. 6.—Antenne fulvee: abdomen nigro-viride: femora viridi 
cincta ; protibiae fulvee; meso- et metatibiee fulvo bicinctee. 
May to July; near London. 
Genus.—EnTEpoN, Dalman. 
Mas. — Corpus breve, nitens, sublevis, parce hirtum: caput 
mediocre, brevissimum, thorace paullo latius; vertex latus, im- 
pressus; frons abrupte declivis: oculi magni, ovati, vix extantes: 
antennee 7-articulate, filiformes, graciles, acuminatee, corporis 
dimidio longiores; articulus 1"’. longus, gracilis, sublinearis ; 2". 
longicyathiformis ; 3"*. et sequentes ad 6"™. lineares subequales ; 
7", angustior, fusiformis, apice setiger: thorax ovatus, convexus : 
prothorax brevissimus, supra non conspicuus: mesothoracis scu- 
tum breve, transversum; parapsidum suture remote, non bene 
determinate ; scutellum magnum, ovatum: metathorax medi- 
ocris: petiolus brevis, crassus: abdomen sublineare, depressum, 
thorace brevius et angustius: pedes validi, simplices, recti, sub- 
wquales; tarsis articuli 1°, ad 3", curtantes, 4". 3°. longior ; 
ungues et pulvilli parvi: ale late; nervus ulnaris humerali 
