wheeler: ants of the genus formica. 539 



tennae often paler yellow, the head and mandibles, especially the 

 postevodorsal portion of the former, somewhat darker red, the gaster 

 pale brownish above and posteriorly. Palpi brown. Hairs and 

 pubescence yellowish, the former slightly coarser than in the typical 

 form. 



Female (dealated). Length 6 mm. 



Sculpture, pilosity, and pubescence as in the worker; mesonotum 

 and scutellum smooth and shining. 



Body brownish yellow; gaster with a short, indistinct, transverse, 

 reddish brown band on each segment; head with a band of the same 

 color between the eyes. Mandibles reddish brown, sutures of thorax 

 fuscous or blackish. Legs and antennae, including the funiculi, 

 concolorous with the body. 



Described from nine workers and a single female taken by Rev. 

 P. J. Sclimitt, 0. S. B., at Lenox, Iowa. 



119. F. (P.) neogagates neogagates var. vinculans, var. nov. 



Worker. Length 2.5-4.5 mm. 



In size and pilosity like the preceding variety, in color intermediate 

 between it and the typical neogagates. Head, thorax, petiole, legs, 

 and antennae yellowish red, gaster dark brown or blackish, postero- 

 dorsal portion of head castaneous, in some specimens nearly as dark 

 as the gaster. 



Female. Length 6 mm. 



Color and pilosity much as in the worker, but the red of the body 

 deeper and the mesonotum with three very large and nearly confluent, 

 castaneous blotches. Base of first gastric segment red. Wings 

 colorless, with resin-yellow veins and stigma. 



Described from five workers taken by myself at Rockford, Illinois, 

 and a single female taken by Mr. W. A. Nason at Algonquin in the 

 same state. 



120. F. (P.) neogagates lasioides Emery. 



F. lasioides Emery, Zool. jahrb. Syst., 1893, 7, p. 664, ^ ; Wheeler, Ants, 



1910, p. 571. 

 F. {Proformica) lasioides Emery, Zool. jahrb. Suppl., 1912, 15, p. 100 noia. 



W^ORKER. Length 3.5-4.5 mm. 



Differing from the typical neogagates in its somewhat smaller size, 

 in color, pilosity, and the somewhat shorter legs and antennae. 



