168 MONOGRAPHIA CHALCIDITUM. 



Obs. — Ormocerus, Glyphe, and Gaslrancistrus, are tlie 

 only genera whose mouths I have examined. The labium is 

 divided like that of Perilampus. 



Characteres Generum. 



. ^ . ,. ( 13. . . 1. Ormocerus. 



^ non compressum. Antennae articulis < ^2 2.Micradelus. 



Abdo- Jcompres-Z'convexus/ trigono/ elongatOYCornu ar- 1 „ qlyphe 



men J sum. | Antennae. I aut 1 acumi- I malum. 



V Thorax, lardculo Irotun- ' nato. Jinerme. 4.Gastrancistrus. 



j ultimo J dato, \ Fern, ab- \ 



i domen I 



I apice V 



^brevi o.Meromalus. 



Isetiformi 6.Rhaphitelus. 



vplanus 7.PSILONOTUS. 



Genus I. Ormocerus,*" Walker. 



Caput mediocre, thorace paullo latius : palpi maxillares graciles, 

 apice paullo crassiores : antennae 1 S-articulatae, corpora multo 

 breviores, submoniliformes, clavatoe aut subfiliformes, pubescentes ; 

 articuli 5° ad 10™\ breves, subaequales ; clava articulis 2 prsece- 

 dentibus longior et paullo latior, apice acuminata : thorax supra 

 convexus ; mesothoracis scutum magnum ; parapsides bene deter- 

 minatse, suturis distinctis ; paraptera, epimera et scutellum magna, 

 hoc semiovatum : abdomen ovatum, thorace paullo longius, apice 

 acuminatum ; segmentum 1"™. longum ; sequentia breviora, 

 subaequalia ; segmenta ventralia haud conspicua : oviductus non 

 exertus : nervus solitus ^ante costam attingit nervulum rejiciens 

 brevissimum ; stigma nervulum brevissimum emittens. 



Sp. 1. Orm. latus. Mas. Viridis, abdomine cupreo, aiiten- 

 nis nigro-fusc'ts, jiedibus viridibus, alls siibfuscis. 



Oculi ocellique obscure rufi : antennae nigro-fuscae, subclavatae, 

 corporis dimidio vix longiores ; articulus 1"'\ viridis : thorax 

 nitidus, fere glaber : mesothorax apice et metathorax -^neo-virides : 

 abdomen thorace brevius, cupreum, basi aeneum : pedes virides ; 

 trochanteres fusci ; genua flava ; tarsi nigro-fusci : alas subfuscae ; 

 nervi fulvo-fusci; stigma parvum. (Corp. long, f lin. ; alar. 

 1 lin.) 



Var. i3. — Abdomen basi aeneo-viride : tarsi fusci. 



June; on grass beneath trees; near London. 



'' opuos monilc, Kfoas cornu. 



