MONOGRAPHIA CHALCIDITUM. 
latius : antennee filiformes, corpore paullo breviores; articulus 
1". gracilis, linearis ; 2", longicyathiformis ; 3". et 4"8. minimi ; 
5%, et sequentes filiformes, usque ad 10"™. curtantes ; clava sub- 
linearis, apice acuminata, articulo 10°. plus duplo longior: thorax 
longiovatus, convexus: prothorax transversus, brevissimus: meso- 
thoracis scutum longitudine paullo latius ; parapsidum suture vix 
conspicue ; scutellum breviovatum: metathorax transversus, 
mediocris: petiolus brevissimus: abdomen sublineare, depressum, 
leeve, thorace paullo angustius non brevius: pedes simplices, 
subequales: alae mediocres; nervus humeralis ulnari fere duplo 
longior, radialis ulnari vix brevior, cubitalis radiali multo brevior, 
stigma minutum. 
Sp. 76. Pter. Fontanus. Mas. Viridis cupreo- et eyaneo- 
varius, abdomen purpureum luteo maculatum, antennee nigrae, 
pedes lutei, femora viridia, alc sublimpide. 
Virides: oculi et ocelli rufi: antenne nigra; articuli 1". et 2", 
virides, ille basi fulvus : thoracis discus cupreo-viridis : abdominis 
discus cupreo-purpureus, ante medium luteo maculatus : pedes 
lutei; coxee virides ; femora viridia, apice lutea; tarsi flavi, apice 
fulvi; propedum femora lutea basi viridia, tarsi fulvi: alee sub- 
limpide ; squamule fulvee; nervi proalis fulvi, metalis flavi. 
(Corp. long. lin. 1}; alar. lin. 2.) 
Var. (3.—Cyaneo-viridis : antennis articulus 1". fulvus, apice ‘viridi- 
piceus: metathorax viridis : abdominis discus purpureo-cupreus, 
luteo maculatus. 
June ; near London; Isle of Wight. 
Mas.—Corpus angustum, sublineare, nitens, scitissime squameum, 
parce hirtum: caput transversum, breve, convexum, thorace 
paullo latius: antenne filiformes, graciles, corpore brevioress 
articulus 1¥%. gracilis, linearis; 2"%. cyathiformis ; 3". et qus, 
minimi; 5%. et sequentes filiformes, usque ad 10"". curtantes; 
clava sublinearis, acuminata, articulo 10°. plus duplo longior : 
thorax longiovatus, convexus: prothorax transyersus, brevissi- 
mus: mesothoracis scutum longitudine non latius ; parapsides 
extantes, suture vix conspicue; scutellum ovatum : metathorax 
transversus, mediocris: petiolus brevissimus: abdomen sub- 
lineare, depressum, lave, thorace angustius vix brevius: pedes 
simplices, subequales : ala mediocres; nervus humeralis ulnari 
duplo longior, radialis ulnari non brevior, cubitalis radiali multo 
brevior; stigma minutum. 
