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LUCANIDAE 431 



14036 P. placidus Say. Generally considered a western species, but said to be 

 fairly common in northern localities such as Buffalo. Dr. Melville H. 

 Hatch records it at Ann Arbor, Mich., at light and in beach drift. 

 Buffalo (Ang) ; Olcott, May-Je (Dt). 

 The larva lives in oak, according to Carl S dinger. 



SUBFAMILY DORCINAE 



DORCUS MacLeay 



14039 D. parallelus Say. Formerly a common species throughout the State, but 

 now becoming rarer. Mt. Marcy, Not; Herkimer, Jl (Geo. Franck 

 Coll.); Rochester (Ward Coll.); Hodgeville; Buffalo, Ashm, Z&R; 

 Batavia, Je (Kngt) ; Otto, Jl (CU) ; Aurora, Je, Zah; Ithaca, May- 

 Aug (CU) ; Schoharie, Not; Schenectady, Jl ; Catskills, Je ; North 

 Branch, Schaupp; West Pt., Robn; Cooks Falls, Oct (Ang); White 

 Plains; Dunwoodie, Je (Ang); Nepperhan, Ap (Ang); NYC, Aller- 

 ton Ave., Ap ; Clason Pt., May-Jl (Ang); Washington Sq. (Ang); 

 West Farms (Ang-AM) ; Bronx; Van Cort. Pk., May, Diven; SI: 

 May, L&D; Bulls Head, May (Ang); LI: Rockaway Beach, Je, 

 Diven ; Corona, Je ; Babylon, Je ; Flatbush, Oct, Zab ; Wading R., Aug, 

 Schott ; Jamaica, Pears; Cold Sp. Harb., Brb; Brooklyn, Jl, Shoe. 



The larva lives in the wood of deciduous trees, such as oak, maple, 

 and sycamore, boring in the hard part of the wood. Adults are often 

 taken in or under charred logs or stumps or at light. 



14039a D. parallelus var. carnochani Ang. Evidently a local race or variety. Three 

 specimens, all male, were taken by F. G. Carnochan while blasting 

 stumps on a farm at New City. Differs from typical form in slightly 

 heavier body, smoother elytra, and blunter mandibles. 



PlatyCERUS Geoffroy 



14041 P. quercus Weber. Fairly common throughout the State. Newport, Yg; 

 Syracuse, Ap, H (Ang) ; Olcott, Je-Sep (Dt) ; Batavia, Je (Kngt) ; 

 Westfield, May (Not); Buffalo, Z&R; Ithaca, Sep (CU) ; Taug- 

 hannock Falls, May (CU) ; McLean, Je-Sep (Dt) ; Windsor, Je (Not) ; 

 W. Hebron (Lg Coll.); Catskills, May, Pears; Big Ind. Valley, Je, 

 Pears; Southfields, May, Schott; West Pt., Robn; Suffern, May, 

 Schott; Hillburn, Nyack, May, Schott; Ramapo Mts., May (AM); 

 Hartsdale (AM); SI, Je, Joutel, L&D; LI: Jamaica, Ap ; Queens, 

 Schott. 



The larva lives in oak, and, rarely, in hickory. Adults are often 

 found resting on flowers, such as wild blackberry. Also occurs in 

 spring flights of many individuals. Adult male insects show two forms, 

 a black and a dark green. 



14045 P. depressus Lee. Axton, Je, M&H; Crown Pt., Jl (NYS) ; Ticonderoga, 

 May, Bks; Northampton, Yg; Mt. Marcy, Not; Buffalo, Z&R; Pike, 

 Je (NYS); Catskills, May, Sep, Pears; Pine I., Je-Jl, FrostSW, Sf; 

 NYC, Je. 



Differs considerably from the typical form, being more elongate, 

 with heavier mandibles and striations of the elytra, and may prove to 

 be a new species; color varies from deep bronze to black. 



