﻿NEARCTIC SPECIES OF GASTERUPTIIDAE — TOWNES 137 



ferruginous hind corner of the pro no turn. This mark, however, is 

 indistinct in many males. The extensive white on the outer side of 

 the fore and mi<hlle tibiae is another character of value in distin- 

 guishing it from other Rhydinqfoenus in its range. 



Specimens. — Many males and females from Connecticut (Colebrook, 

 Ledyard, and Lyme) ; District of Columbia (Kock Creek Park) ; 

 Indiana (Elkhart) : Iowa (Sioux City) ; Kentucky (Green County) ; 

 Maine (Hooper); Maryland (Bowie, Glen Echo, Great Falls, 

 Plummers Island, and Takoma Park); Massachusetts (Dudley, 

 Holliston, Petersham, Taunton, Ware, and Woods Hole) ; Michigan 

 (Alpena County, Kent County, and Osceola County); New York 

 (Aurora, Bemus Point, Farmingdale, Fort Montgomery, Freeville, 

 Greenwood Lake, Hancock, Horton, Huntington, Ithaca, Milford 

 Center, Millwood, North Baltimore, Olcott, Oneonta, Shokan, 

 Slaterville, and Stony Island) ; North Carolina (Black Mountains) ; 

 New Hampshire; New Jersey (Delaware Water Gap, Moorestown, 

 and Sussex); Ohio (Delaware County, Hinckley, Hocking County, 

 Put in Bay, Ross County, Sandusky, and Shawnee Forest) ; Ontario 

 (Bobcaygeon, Ottawa, Ridgeway, StittsviUe, Strathroy, and Wain- 

 fleet); Pennsylvania (CarHsle Junction, Chinchilla, Harrisburg, 

 Hecton Mills, Highspire, Hummelstown, Inglenook, and Spring 

 Brook) ; Quebec (Aylmer and Hull) ; South Carolina (McClellan- 

 ville) ; Tennessee (Clarksville and The Chimneys in Great Smoky 

 Mountains National Park) ; and Virginia (Chesapeake Beach, Falls 

 Church, Glencarlyn, Mount Vernon, Pimmit Run, and Rosslyn). 

 Dates of collection are mostly in July and August, but there are many 

 captures in June and early in September. The earliest collection date 

 is June 3 at Takoma Park, Md., and latest September 18 at Chesapeake 

 Beach, Va. A male from Harrisburg, Pa., was reared from "climb- 

 ing bittersweet." 



This subspecies occurs from the Atlantic west to about the one- 

 hundredth meridian, mostly in the Transition Zone. A single speci- 

 men from the Lower Austral Zone (McClellanville, S. C.) has the 

 head and thorax entirely ferruginous and probably represents a 

 different subspecies. In the Southwest the present subspecies is 

 replaced by R. tarsatorius Solaris. 



6b. RHYDINQFOENUS TARSATORIUS SOLARIS, new subspecies 



Similar to R. tarsatorius tarsatorius except as follows: Under side 

 of scape and hind corner of pronotum blackish; abdomen with its 

 ferruginous markings averaging more extensive than in tarsatorius 

 tarsatorius. 



Type: cf , Ajo, Ariz., April 9, 1947, H. and M. Townes (Townes). 



Paratypes: 2d^, near Roosevelt Lake, Ariz., April 17 and 21, 

 1947, H. and M. TowTies (Townes). cf, Sahuarita, Ariz., April 11, 



