Dytiscidae 257 



2466 H. sericeus Lee. Buffalo (Z&R). Possibly a misidentification (Fall). 



2467 H. solitarius Shp. Ithaca, Oct 5 (ShermCU) ; Esopus (Sherm) ; Wingdale 



(Sherm); LI: Wading R., May, Nic (Lg). 

 2461 H. hybridus Aube. "NY" (AubeANSP). Fall writes, "I doubt this 

 somewhat." 



H. deflatus Fall. SI, Sherm (Fall). 



H. paugus Fall. Warren Co; Peekskill; Esopus; Wingdale; SI. All Sherm 



(Fall). 



2523 H. oblitus Aube. Peekskill (L&B) ; SI (L&D). 



2521 H. stagnalis G. & H. Cranberry L., Je (H) ; Peekskill, Jl (ShermCU); 

 NYC (L&B) ; SI, Jl (L&D). 



H. filiolus Fall. McLean Bogs, Aug (Fall, Dt) ; Peekskill, Sherm (Fall). 



H. aequus Fall. Peekskill, Kaaterskill, Sherm (Fall). 



H. rufiplanulus Fall. Rock City, types, Ds (Fall) ; Peekskill, Sherm 



(Fall). 

 2510 H. dichrous Melsh. Syracuse, May (H) ; Buffalo (Z&R) ; Ithaca, Jl, Sep 

 (Fall, Dt); Esopus, Sep (AM); NYC (L&B); SI, May, Jl-Aug 

 (L&D). 



2524 H. brevicornis Fall. Peekskill, Sherm (Fall) ; SI, Sherm (Fall). 



2505 H. americanus Aube. Newport, Pike, Je (Yg) ; Ithaca, Aug, Karner, Jl 



(NYS); Peekskill (L&B); NYC (L&B); SI, May-Jl, Sep (L&D). 



2506 H. dentellus Fall. Ithaca, Je-Jl (Fall, Dt). 

 2516 H. ruficeps Shp. SI, Jl-Aug (L&D). 



2514 H. niger Say {modestus Aube). Cranberry L., Je 23 (H) ; Mooers, Sep 

 (Not) ; Syracuse, Ap-May (H) ; Sodus Pt., Je (Not) ; Buffalo 

 (Z&R); Ithaca, Jl, Sep (Fall, Dt) ; McLean, Oct 21 (ShermCU); 

 Windsor, Je (Not) ; Washington Co, W. Hebron, Peekskill, Sep 

 (AM) ; White Plains, Mar 10-Oct 20 (Sq) ; Kaaterskill, Sherm 

 (Fall); SI, Jan, Ap-May, Jl-Oct (L&D); LI: Cypress Hills (AM). 



2495 H. despectus Shp. Ithaca, Je-Jl (Fall, Dt) ; SI (AM). 



2493 H. tenebrosus Lee. Mooers, Sep (Not) ; Syracuse, May (H). 



2490 H. melanocephalus Gyll. (morio Shp.). Mooers, Sodus Pt., May (Not). 



2508 H. signatus Mann, not Shp. (inornattis Shp.). Syracuse, Ap-May (Wallls) ; 



Buffalo (Z&R) ; Ithaca, Je, McLean Bogs, Aug (Fall, Dt) ; West Pt. 

 (Robn) ; Peekskill (L&B) ; Wingdale (Fall) ; SI, Feb, May-Jl, Sep 

 (L&D); LI (Fall). 



2509 H. fuscipennis Kies. Syracuse, Ap (Wallis). (Fall gives the author of 



this species as Schaum.) 



H. striola Gyll. Cranberry L., Je (H) ; Syracuse, Ap-May (H) ; Ithaca, 



Jl (Fall, Dt), as vitulns Er. 



2502 H. striola var. subtonsus Lee. Peekskill (AM); SI (Sherm). 



2501 H. tristis Payk. Widely distributed (Sherm). Pike, Ap (NYS) ; Peekskill 

 (Sherm) ; NYC (L&B) ; SI, Jl (L&D). 



2430 H. (Deronectes) griseostriatus DeG. var. catascopium Say. Pike, Je 



2429 (NYS); Buffalo (Z&R); McLean, Oct 21, Ithaca (ShermCU); W. 



Hebron, Je (Lg) ; Peekskill, Sherm (L&B) ; NYC (AM) ; SI, May, 

 Oct (L&D). 



2428 H. (Deronectes) depressus Fab. (rotundatus Lee). "NY" (Fab); Buf- 

 falo (Z&R) ; W. Hebron, Je, in running water (Sherm, Lg). 



9 



