. Clare Island Survey — ttymenoptera. 24 5 



Halictus quadrinotatus Kirb. — A pair at their burrows on Clare Island 



(Morley). Mainland : a 3 at Mulranny in July, 1910 (Grimshaw). 

 H. cylindricus Fab. — Mainland : three 2 2 at Carrowmore Lake in July, 1910 



(Morley) ; a<? at Westport in August, 1911 (Grimshaw). 

 H. albipes Kirb. — Common. Many 2 ? on Clare Island in June (Johnson). 



Mainland : several of both sexes at Castlebar and Mount Brown Lough 



in July (Halbert). 

 H. nitidiusculus Kirb. — Clare Island (Johnson). 



H. smeathmannellus Kirb. — Mainland : a 5 at Belclare, July (Halbert). 

 H. leucopus Kirb. — Mainland : a J at Westport in July, 1911 (Halbert;. 

 H. Freygessneri Alfk. — Mainland : a doubtful ? at Belclare, July, 1910 



(Halbert). 

 Andrena denticulata Kirb. — Three 2 2 flying to a turf wall on Clare Island, 



July, 1910 (Morley). 

 A. coitana Kirb. — Several 2 2 at their burrows on Clare Island (Morley). 



Mainland : a pair at Belclare and <? $ at Westport and Mount Brown 



Lough, in Jiily (Halbert). 

 A. minutula Kirb. — Mainland : two 2 2 at Belclare in July, 1910 (Halbert). 



A. analis Pauz. — One pair taken with the last species at Belclare (Halbert). 

 Nomada fabriciana Linn. — One specimen on east cliffs of Clare Island, in 



July (Morley). 

 N. flavoguttata Kirb. — Mainland : a 2 in Westport demesne, July, 1909 



(Halbert). 

 Megachile centuncularis Linn. — Mainland: one faded J at Mulranny, July 



(Grimshaw). 

 Psithyrus barbutellus Kirb. — Mainland: a 2 at Westport, July, 1911 (Halbert). 

 P. campestris Panz. — Mainland : a 2 at Belclare in July, 1910 (Halbert). 

 Bombus smithianus White. — Clare Island and on mainland at Glendarary 



(Johnson). 



B. venustus Sm. — Clare Island (Morley, Grimshaw). Mainland : Achill Sound 



(Johnson) ; Mulranny in July and Westport in August (Grimshaw). 



B. agrorum Fab. — Clare Island (Grimshaw). Mainland: Mulranny, Glen- 

 darary, and Achill Sound (Johnson) . 



B. hortorum Linn. — One on Clare Island, June, 1911 (Johnson). 



B. latreillellus Kirb. — Clare Island, both the type form (Morley) and the 

 var. distinguendus, Mor. (Grimshaw). 



B, derhamellus Kirb. — Clare Island in June and July (Johnson, Grimshaw, 

 Morley). Mainland : a S at Mulranny in July, 1910 (Grimshaw). 



B. lapidarius Linn. — Clare Island and on mainland at Glendarary (Johnson) ; 

 Westport, August, 1911 (Grimshaw). 



