68 The Irish Naturalist. June 



Eristalis intricarius L. "] 



E. arbustorum L. VField at Knapweed and Ragweed, August. 



Helophilus pendulus L. J 



Syritta pipiens L. — Field, July ; at nettles, October. 



Sargus bipunctatus Scop. — Window, July. 



S. flavipes Meig. — Field at Knapweed, August. I received a specimen 



of this handsome fly taken by my friend, Mr. W. A. Hamilton, at 



Coxtown, Co. Donegal, in September. 

 Mlcrochrysa flavicornis Meig. — Field, July. 



HYMENOPTERA. 



ACULEATA. 



Crabro clavipes L. — Field, August. 



Andrena Jacobi Perks, var. scotica Perks., and var. Johnsoni Perks. 



Garden, May. 



Psithyrus campestris Panz. ^ ^. , , 



T> u J L 11 T^ > Field at Ragweed, Tulv. 



Bombus derhamellus K. J 6 - j . 



B. hortorum L. — Field at Angelica, August. 



TENTHREDINIDAE. 



Trichiosoma lucorum L. — On flowers of Broom, May. 



Trichiocampus eradiatus Ratz. \ Emerged, April. I also took the 



Pontania vescicator Bremi. J latter by sweeping grass in May. 



P. viminalis Htg. — Emerged, May. 



Pteronidea oligospilus Forst. — Emerged April, May. 



P. fagi Zadd. — Emerged July. 



Pachynematus clitellatus Lep. — Emerged May ; field at Angelica, August. 



P. Obductus Htg. — Emerged May. 



P. trisignatus Forst. — Field at Angelica, August. 



Lygaeonematus compressicornis F. — Roadside "^ 



Dolerus picipes Kl. — On lawn in water trough }-May. 



D. oblongUS Cam. — Roadside J 



Tenthredopsis palmata Geoff. — Emerged May. This specimen has two 



, cross nerves in the radial cell of the left forewing. 

 T. spreta Sep. — Hill, July. 



Allantus Perkinsi Morice. — On flowers, May and August. 

 Tenthredella livida L. — Roadside, May. 



CYNIPIDAE. 

 Rhodites rosae L. — Emerged May. 



