110 HYMENOPTERA 



notum rather elongated^ flat above, quadrate, truncated behind. 

 Abdomen elongated, polished, apex normal, roundly depressed ; claws 

 forked. 



R. NovAR.'E. Saussure, Reisc der " Novara," Hymen., p. 112 (1867). 



Male. Black, shining, with grey down ; clypeus and front with a 

 forked keel, front with a thin transverse keel- above. Wings smoky- 

 hyaline, bluish. 



Length, "46 inch. 



Sub-Order— HETEEOGYNA. 



Males, females, and neuters ; the latter sometimes of two kinds, 

 workers and soldiers. Females armed with a sting. Social ; build 

 nests, and excavate tunnels. 



Family— EORMICID^ (ANTS). 

 Tongue rounded, arched, almost spoon-like, shorter than the head. 

 Males winged. Females winged at first, losing their wings after 

 coupling. Neuters wingless, Antennoe quivering, those of the females 

 especially getting rather bigger towards the tip ; first joint nearly one- 

 third of the whole antenna; the second obconical, almost as long as 

 the third. Labrum of the neuters, large, horny, falling perpendicu- 

 larly under the mandibles. 



Peduncle of abdomen with one node. 

 Neuters with stings. Ponerince. 

 Neuters without stings. Formicince. 

 Peduncle of abdomen with two nodes. 



Workers of one kind only. Myrmicina. 

 Workers of two kinds. Attince. 



Sub-Family — Formicince. 

 Peduncle of the abdomen with a single node. None of the 

 individuals with a sting. Pupee enclosed in silken cocoons. 



Genus-FORMICA. 

 Linmeus. 

 Maxillary palpi six-jointed ; labial palpi four-jointed. Ocelli three, 

 placed in a triangle on the vertex. Males and females winged, con- 

 stantly so in the former sex, temporarily in the females. The superior 

 wings with one marginal and two submarginal cells ; one division 

 having also a complete discoidal cell, another in which it is obsolete. 



