MONOGRAPIIIA CHALCIDITUM. 177 



Sp. 15. Gast. crassus. Mas. et Fern. Viridis aut ceneo- 

 viridisy antennis nigris aut nigro-fuscis , pedibns fiav'is 

 viridi et fusco cingulalis, alls hyalinis. 



Mas. — Obscure cupreum, breve, crassum : caput viride : oculi 

 ocellique obscure rufi : antennae nigro-fuscse ; articulus 1"^. nigro- 

 viridis : pedes flavi ; coxse virides ; femora viridi-fusca, apice 

 flava ; metatibise fuscse, apice basique flavse ; tarsi apice fusci : 

 alse subhyalinse ; nervi fusci ; stigma parvum. 



Fern. — Viridis : antennae nigrse, corporis dimidio breviores ; articulus 

 1"^. nigro-viridis : abdomen cupreo-seneum, basi apiceque viride : 

 oviductus corporis dimidio brevior : femora viridia. apice basique 

 flava : meso-et metatarsi straminei, apice fusci. (Corp. long, 

 i— f lin.; alar, f— I lin.) 



Var. (j. — Mas, seneo-viridis : antenna fuscee ; articulus 1"^. viridi- 

 seneus : abdomen cupreo-aeneum. 



Var. y. Mas, viridis : mesothoracis scutellum aeneo-cupreum : 

 abdomen aeneo-cupreum, basi viride. 



Var. S. — Fern, antennae nigro-fusca? : alse hyalinse. 



Var. E. — Fern, tarsi omnes pallide fusci, basi flavi. 



Var. ;. — Fern, pro- et metatarsi fulvi, apice fusci; mesotarsi stra- 

 minei, apice fusci. 



June to August; on grass in fields; near London. 



Sp. 16. Gast. angulus. Fem. Viridis, antennis nigris, 

 2Jedihus fuscis, alis hyalinis. 



Viridis, brevis, crassus : oculi ocellique rufi : antenna? nigrae ; arti- 

 culus 1"^. nigro-viridis : oviductus abdominis quaterno brevior : 

 pedes fusci ; coxae virides ; femora viridi-fusca ; tibiae apice 

 basique flavae ; protibiae pallidiores : alse hyalinae ; nervi fusci ; 

 stigma mediocre. (Corp. long. \ lin.; alar, f lin.) 



June; on grass infields; near London. 



Sp. 17. Gast. acutus. Mas et Fem. Viridis, antennis nigris, 

 pedih us fuscis, alis subhyalinis. 



Gracilis, elongatus. Mas. — Cyaneo-viridis : oculi ocellique rufi : 

 antennae nigrae ; articulus 1"^ nigro-viridis, basi fuscus: abdomen 

 subcompressum : pedes fusci ; coxae virides ; femora viridia, apice 

 flava : alae subhyalinae ; nervi fusci ; stigma mediocre. 



Fem. — Viridis : antennse clavatae, corporis triente breviores : abdo- 

 men compressum, thorace multo longius : oviductus abdominis 



NO. II. VOL. IT. A A 



