406 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



and " taken in the Wirral," H.H.H. It is not 



infrequent in North Wales. 

 A T . ruficornis, Linn. — Yalley of the Bollin, J.R.H., " in 



the "Wirral," H.H.H. Chester, common locally, 



E.C.T., Wallasey, H. Locke, and described as 



"fairly distributed," B.C. This species varies 



much in colour locally. 

 N. ochostroma, Kirk. — jpunctiscuta, Thorns. — Taken at 



Hazlegrove, B.C. 

 N. ferruginata, Kirb. — germanica, Sm. — Reported from 



Stretford and Bowden, J.R.H. 

 N. Fabriciana, Linn. — Stretford and Eccles, J.R.H., 



Rainhill, H.H.H., Chester, E.C.T., and "fairly 



distributed over the district," B.C. 

 N. furva, Panz. — Only recorded so far from valley of the 



Bollin, J.R.H. 



Aplile. 



Epeolus, Latr. — This genus is inquiline in habit, like 

 Nomada. It attaches itself to bees of the genus 

 Colletes, and has also been taken in association 

 with Megachile argentata. 

 E. productus, Thorns. — variegata, par 8., Sm. — Taken in 

 the valley of the Bollin and at Sale, J.R.H. ; 

 Hoylake, E.C.T, and West Kirby, J.R.H. 



Ceratina, Latr. — Our one small British species excavates 

 its cells in dead bramble stalks. It is rare, and 

 has not been observed in this district. 



Chelostoma, Latr. — The members of this genus are called 

 " Carpenter Bees." They usually drill holes in 

 wooden posts, though they sometimes choose 

 ready-made cavities, such as straws in thatch. 

 Chrysis cyanea is parasitical upon Chelostoma. 

 C. florisomne, Linn. — Rainhill, H.H.H. 



