254 Dytiscidae 



Family DYTISCIDAE 3o 



SUBFAMILY NOTERINAE 

 Canthydrus Sharp 

 2340 C. puncticollis Cr. L. Waccabuc (AM); NYC (L&B).; SI, May (L&D). 

 2342 C. gibbulus Aube. Westchester Co (ShermCU). 



Hydrocanthus Say 



2346 H. iricolor Say. Sodus Pt, Je (Not); Buffalo (AM); Peekskill ; White 

 Plains, May 30-Oct 25 (Sq) ; Esopus, Sep (AM); Van Cort. Pk. 

 (Sherm); NYC (AM); SI, Ap-Je, Aug-Sep (L&D); LI: Richmond 

 Hill (Sherm); Fishers L, Aug (AM). 



SUBFAMILY LACCOPHILINAE 



Laccophilus Leach 



2351 L. maculosus Germ. Keene Val., Jl, Saranac Inn, Jl (NYS) ; Newport 

 (NYS) ; Adirondack Lodge, Jl, Bish (NYS); Mooers, Sep (Not); 

 Cranberry L.. Je 18 (H) ; Syracuse, Ap-May (H) ; Sodus Pt., Je 

 (Not) ; Buffalo (Z&R) ; Pike (NYS) ; Castile, Brad (Flet) ; Batavia, 

 Je (Kngt) ; Caledonia Cr., Livingston Co, Dec (Lee) ; Westfield, May 

 (Not) ; Ithaca, Jl-Sep (Sherm-CU) ; McLean Bogs, Dt (NYS) ; Wind- 

 sor, Je (Not) ; Schoharie (Not) ; Albany, Ap, Karner, Nassau, May 

 (NYS); Peekskill, Aug (ShermCU); Poughkeepsie, Ap (NYS); W. 

 Hebron, Je (Lg) ; Binghamton, Ap (AM) ; West Pt (Robn) ; Nyack, 

 Oct (AM) ; Esopus (AM) ; White Plains, Mar 10-Oct 12 (Sq) ; Tom- 

 kins Cove (Lg) ; Bronx Pk., Aug-Sep (AM) ; SI, Mar-Je (L&D) ; 

 LI: Flatbush, Ap-May, Cypress Hills, May, Fishers I., Aug (AM); 

 Calverton, Sep (Ds). 



2353 L. proximus Say. E. Aurora, Sep, in ponds, scarce (Dnd) ; Ithaca, Je-Jl 



(Dt) ; Peekskill (Sherm) ; SI, Jan-Ap, Sep, Nov (L&D). 



2354 L. inconspicuus Fall. Ringwood, May, Scnning (Flet). 



2359 L,. fasciatus Aube. Peekskill (Sherm) ; NYC (AM) ; SI, May, Jl (L&D). 

 2363 L. undatus Aube. Buffalo (AM); Peekskill (Sherm); Esopus, Sep 

 (Sherm); West Pt. (Robn); NYC (AM); SI, Ap-Je, Aug-Oct 

 (L&D). 



SUBFAMILY HYDROPORINAE 

 Hydro VATUS Motschulsky 



2367 H. cuspidatus Kunze. Sodus Pt., Je (Not) ; E. Aurora, Aug, in a marshy 

 pool (Dnd) ; Esopus (Sherm) ; West Pt. (Robn) ; Peekskill (Sherm) ; 

 SI, Ap-May, Aug-Sep (L&D). 



DesmopACHRIA Babington 



2374 D. convexa Aube. Mooers, Sep (Not) ; Gloversville, Mav (NYS) ; Syra- 

 cuse, Ap-May (H) ; Sodus Pt., Je (Not) ; Buffalo (Z&R) ; Concord, 

 Erie Co, Aug (Dnd); Castile, Brad (Flet); Ithaca, Aug 12, McLean, 

 May 21 (ShermCU); Ringwood, Je-Jl (Dt) ; Peekskill (Sherm); 

 NYC (L&B); SI, Ap-May (L&D); LI: Jamaica, May (AM). 



^* H. C. Fall and John D. Sherman, Jr., have gone over the manuscript for this list and made 

 many corrections. Mr. Sherman has supplied all of his records from his extensive collecting and 

 study of this family in New York. 



