INSECTS OF ALDERNEY. 151 



Halietus brevicornis, e. Saund. 



Nomanda fueata, Panz. Two specimens, rare in Britain. 

 N. solidaginis, Panz. 



ICHNEUMONID^. 



Ichneumon medieoxa, Thoms. 



I. derasus, Wesm. 



I. nigpitapius, Fab. 



I. perscrutator, Wesm. 



I. anator, Fab. 



I. depogatop, Wesm. 



Amblytelus divisorius, Grav. Two specimens. 



Pimpla ? graminellse, Bch. 

 Linoeerus maepobatus, Grav. 



PerithOUS mediator, Fab. Common. 



Bassus pulehellus, Grav. 

 Centeterus opprimotop, Grab. 

 Lissonota lineata, Grew. 



CYNIPIDJE. 



Rhodites spinosissimse, Giraud. Galls are formed by the larvee on the 

 wild rose, Rosa Spinosissima. 



TENTHREDINIDiE. 



Blennoeampa fuseipennis, Fhr. 

 Emphytus einetus, Linn. 

 Cladius padi, Linn. 

 Nematus gallieola, Steph. 



DIPTERA. 



Ceeedomyia CPatsegi, Wtz. The larva3 feed on the common hawthorn, 



causing rosettes or clusters of deformed sessile leaves. 

 C. UPtiese, Perris. Common on nettles, causing galls on almost every part 



of the plant. 



UPOphOPa SOlstitialis, Linn. The larvae cause woody galls on the flower 

 heads of Centaurea nigra (Knap Weed). 



ACPOeera globulus, Panz. One specimen captured of this very curious fly. 



