CATALOGUE 



OF 



HYMENOPTERA. 



Div. 11. ACULEATA. 

 Tribe HETEROGYNA, Latr. 



Family I. FORMICID^, Leach. 



Genus 1. FORMICA. 



Formica, pt., Linn. Faun. Suec. 426 (1761); Syst. Nat. i. 962 



(1766). 

 Lasius, pt., Fabr. Syst. Piez. 415 (1804), 

 Cataglyphis, Foerst. Hym. Stud. Form. 485 (1850). 

 Tapinoma, pt., Schenck, Besck. Nass. Ameis. 129 (1852). 

 Monocombus, Mayr. 110 (1855). 



The maxillary palpi 6-jointed; the labial palpi 4-jointed. 

 Ocelli 3, placed in a triangle on the vertex*. Males and females 

 winged, constantly so in the former sex, temporarily so in the 

 latter. The superior wings with one marginal and two sub- 

 marginal cells; one division having also a complete discoidal 

 cell, another in which it is obsolete ; the petiole of the abdomen 

 furnished with a single vertical scale. None of the individuals 

 furnished with a sting. The pupae enclosed in silken cocoons. 



* In a few species these are obliterated, or scarcely discernible, as 

 in the small workers of F.flava and F. nigra, &c. 



B 



