404 bulletin: museum of comparative zoology. 



3. F. SANGUINEA SANGUINEA Var. CLARIOR Ruzsky. 



F. sanguinea var. clarior Ruzsky, Formicar. Imper. Ross., 1905, p. 420, ^ ; 

 Emery, Deutsch. ent. zeitschr., 1909, p. 184. 



Worker. Differs from the typical form in having the red portions 

 of the body paler and the red basal and apical spots of the gaster more 

 pronounced. 



Caucasus. 



4. F. SANGUINEA SANGUINEA Var. FLAVORUBRA Forel. 



F. sanguinea \ax . flavoruhra Forel, Ann. See. ent. Belg., 1909, 53, p. 105, ^ . 



Worker. " Differs from the typical sanguinea in its light and vivid 

 red color, which is somewhat yellowish, clearer, and more yellow than 

 in F. truncicola Nyl. The base of the first gastric segment is also 

 more or less yellowish red, and the eyes are a little smaller and slightly 

 more elongate. 



Ronda, Andalusia" {Forel). 



Host (Slave). Probably F.fusca var. glebaria. 



5. F. SANGUINEA SANGUINEA var. FUSCiCEPS Emery. 



F. sanguinea var. fusciceps Emery, Zool. jahrb. Syst., 1895, 8, p. 335, nota, 

 y : Deutsch. ent. zeitschr., 1909, p. 184. 



Worker. Red color darker than in the typical form; the blackish 

 brown spot on the vertex extending laterally as far as the eyes and 

 leaving only a small red area on each of the posterior corners of the 

 head. 



Host (Slave). Probably F.fusca var. japonica. 

 Japan: Yokohama. 



6. F. SANGUINEA ASERVA Forel. 



.F sanguinea st. aserva Forel, Ann. Soc. ent. Belg., 1901, 45, p. 395, S 9 ; 

 Wheeler, Bull. Amer. mus. nat. hist., 1906, 22, p. 85; 1908, 24, p. 631; 

 Ants, 1910, p. 458, 570. 



Worker. Length 4-7 mm. 



Closely related to the typical European form. Clypeal notch 

 rather shallow; clypeal carina more distinct and the surface of the 

 clypeus more convex. Mesoepinotal constriction a little shallower 



