Johnson and Halbert — A List of the Beetles of Ireland. 757 



D. dentipes, P. 



TJlstee. Connatfghx. Leinstee. Mitn'stee. 



Down (Newcastle, Ch.). — Armagli ('89 J. 1). — Gralway (Clonbrock, 

 coll. D,). — "Westmeath (common in drains near the southern shore of 

 Lough Ennell, Ht.). — Wicklow (Arklow, Fg. MS.). — Limerick (Fg. 

 MS.). 



Very local. 



D. limbata, Panz. 



TJxsTEE. Leinstee. Munstee. 



Armagh ('88 J. 2).— Louth (Braganstown, '95 Ht. 7).— Dublin 

 ('54 Hn.).— Wicklow (Arklow Fg. MS.).— Wexford (Ht.).— Cork 

 (Eosscarhery, '95 C. 1 ; Glandore, Ht. ; Blarney, AVr.). — Kerry 

 (WaterviUe, '01 Ch., coll. Yr.). 



D. bicolora, Zsch. 



TJlstee. CoNisr aught. Leinstee. Mtjnstee. 



Down (Lagan Canal near Moira, B.) — Armagh (Maghery, on 

 Butomus, '88 J. 2). — Eoscommon (Mote Park, Ht.), — Westmeath 

 (Lakes, common, Ht.). — Dublin (Portmarnock, '54 Hn.). — Kildare 

 (Maynooth '94 C & Cr.).— Limerick (Lough Gur, Ht.).— Killarney 

 ('91 F. 1). 



D, obscura, Gyll. 

 Leinstee. Munstee. 



Westmeath (near Mullingar, Ht.). — Cork (Glengari:ff, '01, Ch., 

 coU. Yr.). 



Very local on water-plants in drains near Lough Ennell, and at 

 Lough Drin, May, 1901. Distribution — northern and central Europe, 

 Siberia 



D. thalassina, Germ. 



TJiSTEE. COISTNAUGHT. LeINSTEE. MujirSTEE. 



Derry (Foyle dist., '00 B.).— Galway (Clonbrock, D.).— West- 

 meath (Lough Ennell, Ht.).— Dublin (Royal Canal, '00 Ht. 3).— 

 Wexford (Eiver Slaney at Enniscorthy and Killurin, Ht.). — Clare 

 Killaloe, '71 S.). — Limerick (Lough Gur, Ht.). — Kerry (Caragh 

 Lake, coll. Yr.). 



l^ot uncommon ; probably overlooked in many localities. 



