The Hymenoptera-Aculeata of Courtown > Co. Wexford. 19 



in August, '93. For this reason it is far from being represen- 

 tative, even of the chief types of this branch of the order in 

 the district, and many genera and species are unrecorded 

 which would certainly be met with, granted greater diligence, 

 longer time, and an earlier season. 



FORNIICIDJE. 



(SOCIAL ANTS.) 



Las i us niger, L. — Common at various points on or near the shore. 



L. f Iavus, De G. — Very common on the sand-hills. 



IYIyrmlca scabrinodis, Nyl. — Abundant. Males and females in great 

 numbers on fruit trees, especially plums. 



FOSSORES. 



(SAND AND WOOD WASPS.) 



Ceropalcs maculatus, Fab. — Fairly common on flowers of wild 

 Carrot at Seafield. 



Pompilus plumbeus, Fab.— Common on the sand-hills at Courtown 

 and Glascarrig. 



P. gibbus, Fab. — Fairly common on clay banks at Cahore and 

 Kiltennell. 



Tachytes pectinipes, L. — Rare. A single specimen on a clay bank 

 near Duffcarrick. 



Pcmphredon Iugubris, Fab. — Common on Lilac at Courtown. 



P. unicolor, Latr. — Also common. Usually occurs on the Sloe. 



P. Iethifer, Shuck. — Frequent on Sweet-briar and Wild Rose. 



IYIellinus arvensis, Fab. — Common everywhere near the sea. Fe- 

 males usually stalking Muscidcc and Syrphidtz on Ragwort ; males on 

 trees, especially Sycamore. 



Crabro cephalotes, Panz. — Pretty common. Occurs not rarely along 

 the east coast between Clogher Head, co. Louth, and Cahore Point, 

 and probably further south. 



C. leucostoma, L- — On laurels at Courtown and Kiltennell; not 



uncommon. 

 C. peltarius, Schr. — Not common. Taken near Cahore. 



VESPID^E. 



(SOCIAL WASPS.) 



Vespa vulgaris, L. — Very common all over the district.. The summer 

 of 1893 was unusually favourable to these pests. 



V. rufa, L. — Not common. One nest at Seafield. 



EUHIENIDJE. 



(SOLITARY WASPS.) 



Odynerus parietum, L.— Not common in the district. This species 

 is very abundant throughout co. Dublin. 



O. trimarginatus, Zett. — I got three examples of this rather scarce 

 species on flowers of Wild Sage at Seafield. 



