MONOGRAPIIIA CHALCIDITURI. 171 



mesothoracis scutum maximum ; parapsides optime determinatse, 

 valdeconvexse ; scutellum magnum, convexum : abdomen elongate - 

 ovatum, subcompressum, apice acuminatum, inerme ; segmenta 

 subsequalia : oviductus non exertus : alse amplag ; stigma ner- 

 vulum brevissimum emittens. 



Sp. 1. Gly. autumnalis. Fern. JEneo-viridis, antennisfitscis, 

 pedibus stramineis, alls hyalims. 



iEneo-viridis, nitida, fere glabra : oculi ocellique obscure rufi : 

 antennae fuscae, corporis dimidio non longiores ; articulus 1"^. 

 rufus : thorax postice cupreo-seneus : abdomen thorace longius et 

 angustius : pedes straminei ; coxsa seneo-virides ; femora viridia, 

 apice basique straminea ; tarsi apice nigro-fusci : alse hyalinae ; 

 nervi fulvi; stigma parvum. (Corp. long. \\ — li lin.; alar. 

 If— 2 lin.) 



October ; on Howers of the ivy ; near London. 



Genus IV. — Gastrancistrus, Westwood. 



Caput plerumque thorace latius, antice subproductum : maris an- 

 tennae 13-articulatae, corporis dimidio longiores, moniliformes, 

 latse, apice acuminatse ; articuli 6°. ad 10^"\ subaequales, discreti ; 

 clava valde acuminata, articulis 2 prsecedentibus vix longior : 

 fern, antennae paullo breviores, 12-articulat8e, subclavatse, sub- 

 moniliformes ; articuli 5°. ad 9"™. subsequales, vix discreti ; clava 

 conica, articulis 2 prsecedentibus longior et latior : mandibulae 

 similes, subarcuatse, apice dentibus 4 parvis acutis armatse : 

 thorax convexus ; mesothoracis scutum magnum ; parapsides optime 

 determinatae ; paraptera et epimera magna, trigona ; scutellum 

 magnum, angustum : maris abdomen subcompressum, thorace 

 ■ paullo brpvius et angustius, sublineare, apice latius, supra basin 

 versus canaliculatum ; segmenta subsequalia : fern, abdomen 

 thorace paullo longius, acuminatum, apice supra comu minuto 

 armatum ; latera elevata : oviductus plus minusve exertus : alee 

 latae ; nervus solitus ante costam attingit nervulum rejiciens 

 brevissimum ; stigma nervulum brevissimum emittens. 



Sp. 1. Gast. fuscicornis. Mas. Ater, ante7inisfuscis,23edibus 

 jlavis fusco cingulatis, alts hyalinis. 



^neo-ater, nitidus, fere glaber : caput magnum : oculi ocellique 

 obscure rufi : antennae fusc^ ; articulus 1"\ ater, basi apiceque 



