CHEYSIDID^E, ETC., OF GUERNSEY. 247 



Platylabus dimidiatus, Gr. This pretty species is not uncommon during 



July and August. 

 P. pedatorius, Fab. Common. 



PhSBOgenes sp ? One specimen, Fermain, apparently undescribed. 

 Cryptus ViduatOPius, Fab. Three specimens near Saints' Bay. 

 C. migrator, Fab. var. brevipennis, Desv. 

 Hemiteles pulehellus, Gr. Two specimens taken of this non-British 



species. 



H. melanarius, Gr. One. 

 Pezomaehus ? nigrieornis, Forst. One. 



P. agilis, Fab. Common. 



Eniseospilus repentinus, Hoimgr. 



Ophion obseurum, Fab. Several at the Gouffre. One on Vale coast. 



0. luteum, Fab. Very common. 



SehizolOHia amieta, Fab. One specimen taken near Cobo. 



PaniSGUS eephalotes, Hoimgr. Not uncommon. Is well known as a 

 parasite of Dicranura vinula. 



Limneria sp ? Several specimens of a species of Limneria bred from Luffia 

 lapidella ; the species not yet determined. 



Exolytus la3vigatus, Gr. Two. 



Collyria ealeitrator, VUL Lin. Common in June. The well-known para- 

 site of Cephus pijgmceus, a species of saw fly injurious to wheat. 



Exetastes OSCUlatorius, Fab. Common, one of our most beneficial insects, 

 the larva preys upon Mamestra brassicce and other destructive insects. 



E. guttatorius, Gr. Not uncommon. 



Mataeoelus flavieeps, Ratz. One specimen taken near Doyle's Monument. 

 It is not on the British list. 



BasSUS Isetatorius, Fab. Common. 



B. exareotatUS, Holmyr. One. 



Pimpla instigator, Fab. Common. 



P. OCUlatoria, Fab. Not uncommon. 



Glypta sealaris, Gr. One female specimen, Petit Port. 



Lissonota parallela, Gr, Not common. 



L. bellator, Gr. Common. 



L. SUlphurifera, Gr. Two specimens at Moulin Huet Bay, August 5th. 



L. lineator. One. 



braconim;. 



Br aeon minutator, Fab. Two taken at Richmond. 

 Apanteles glomeratus, Lin. Very abundant. 

 Aphidius rosarum, Nees. Common. 



Chelonus oeulata, Fab. One. 



