FORMICA RUFA. 



.1 one marginal, two Bubmarginal, and one discoidal cell. 

 The scale of the pt'tiole flattened, forming a semicircular plate. 

 carving in form. The pupa: enclosed in silken cocoons. 



Subdivision 1. — Males only slightly smaller than the females. 



1. Formica rufa. 



Fcemina. — Rufo-ferruginea ; fronte cum occipite, mesothorace 

 supra, scutello, post-scutello, et abdomine supra fusco-nigris ; 



clypei medio, palpis, antennis, mesothorace, tibiis tarsisque 

 fuscescentibus j areafrontali nitida; squama lata, subtriangu- 

 lariter fere rotundata, margine supero insequali; alis fusco- 

 livalinis, apicis subhvalinis. 



Operaria. — Testaceo- vel rufo-ferruginea, nuda, laevissime cine- 

 reo-micans ; fronte cum occipite et abdomine fusco-nigris ; 

 tibiis tarsisque fuscescentibus ; squama, abdominis basi et ano 

 rut'o-maculatis. 



Mas. — Nigro-fuscus, opacus, sparse pubescens ; pedibus rufes- 

 centibusj area frontali nitida; squama subquadrata, humili, 

 crassa, supra vix vel parum concaviuscula ; valvula ventrali 

 pilosula, saepe rufescente. 



Formica rufa, Linn. Faun. Suec. no. 1 721 ; Syst. Nat. i. 9G2. 3. 



Fabr. Syst. Ent. 391. 4 ; Ent. Syst. ii. 351. 8 ; Syst. Piez. 398. 

 11. 



Schrank, Ins. Austr. no. 834. 



Rossi, Faun. Etrusc. ii. 113. 836. 



Don. Brit. Ins. xiv. 76. pi. 496 ? . 



Oliv.Enc. Moth. vi. 493. 14. 



Lair, Hist. Nat. Fourm. p. 143. pi. 5. f. 28 <? $ $ . 



St. Farg. Ilym. i. 201. 3. 



Curtis, Brit. Ent.xxi. t. 752 <J $ $ . 



Zett. Ins. Lapp. 449. 5. 



Brulle, Exped. Sc. de More'e, iii. 327. 72". 



Rat:. Forst. Ins. iii. 34. l.t. 4. f. 10. 



Nt/L Adno. Mon. Form. Bor. 902. 5 ; Form. Fr. et d' Alger. 

 60. 14. 



Foerst. Hyrn. Stud. Form. p. 13. 3. 



Schenck, Beschr. Nass. Ameis. 25. 



Smith, Brit. Form. Trans. Ent. Soc. Land. iii. n. s. 100. 1 ; 

 Cat. Form. p. 2. 



Mayr. Form. Austr. p. 56. 9 ; Ungar. Ameis. 9. 9. 

 Formica dorsata, Panz. Faun. Germ. 54. 1 9 • 

 Formica obsoleta, Zett. Ins. Lapp. 449. 5 $ § . 



