260 



U. S. NATIONAL MUSEUM BULLETIN 216 



la. Sinaraehna pallipes pallipes (Holmgren), new combination 



Polysphincta pallipes Holmgren, 1860, Svenska Vetensk.-Akad. Handl., ser. 4, 

 vol. 3, part 10, p. 33; d\ ?. Lectotype (hereby selected): 9, from Stockholm, 

 Sweden, labeled "Him.," "Bhn.," and "type" (Stockholm). 



Polysphincta caudata Thomson, 1888, Opuscula entomologica, fasc. 12, p. 1253; 9- 

 New synonymy. Type: 9, Ronnemolla, Scania, Sweden (Lund). 



Biology: Nielsen, 1928, Entomologiske Meddelelser, vol. 16, pp., 152-155. 



Scape and pedicel whitish in front; mesothorax entirely black 

 except that subtegular ridge is white. 



We studied a female of this species from Sweden, determined by A. 

 "Roman, and the types of pallipes and caudata. These differ from 

 Nearctic material only a little in color as indicated in the key. Nielsen 

 reared the subspecies in Denmark from Theridium lunatum, Epeira, 

 diademata, and E. quadrata, and described its early stages (loc. cit.). 



lb. Sinaraehna pallipes strigis (Howard), new combination 



Polysphincta (Zatypota) strigis Howard, 1892, Proc. Ent. Soc. Washington, vol. 

 2, p. 291; 9. Type: 9, Sea Cliff, N. Y. (Washington). 



Differs from the European subspecies as noted in the key. The 

 entire mesothorax and prothorax may be reddish fulvous, or only the 

 mesopleurum, or only a posterodorsal area of the mesopleurum. 



The cocoon of the type is cylindric, with rounded ends, 6 mm. 

 long by 2 mm., of densely spun yellow-brown silk with a small amount 

 of loose silk on the outside. 



Specimens (15 cf, 409): From Alaska (Mount McKinley at 1,600 

 and 2,500 ft.); Alberta (Edmonton); British Columbia (Lillooet, 

 Robson, shore of Shuswap Lake at Salmon Arm, and Vancouver); 

 California (Fish Camp); Maine (Bar Harbor, Casco, and Machias); 

 Michigan (Marquette Co.); New Hampshire (Dolly Copp Camp in 

 the White Mts., Mount Madison, Pinkham Notch, and Randolph); 

 New York (Ithaca, Lancaster, McLean Bogs Reserve in Tompkins 



Figure 112. — Localities for 



Sinaraehna pallipes 



strigis. 



