304 BRITISH ANTS. 



Acarina : Laelaps myrmecophilus BerL, and L. cuneifer Mich. 

 Crustacea : Porcellio scaber v. rufa Bagnall, and Platyarthrus 

 hoffmanseggi Brdt. 



Formica fusca L. 



Formica fusca Linnaeus Syst. Nat. (Ed. 10) 1 580 (1758) 1 . [" Grande 

 Fourmie noire " De Geer Mem. Hist. Ins. 2 1082 (1771) 2 ]. Formica nigra major 

 Retzius Gen. Spec. Ins. De Geer 75 (1783) 3 . Formica ftavipes Fourcroy Entom. 

 Paris. 2 452 (1785) 4 . Formica fusca Fourcroy Entom. Paris. 2 453 (1785) 5 ; 

 Razoumowski Hist. Nat. Jorat. 1 224 (1789) 6 . Formica tristis Christ Naturg. 

 Ins. 513 (1791) 7 . Formica nigra Latreille Ess. Hist. Fourmis France 39 

 (1798) 8 . Formica fusca Latreille Hist. Nat Fourmis 159-163 (1802) 9 . [" La 

 fourmi noire-cendree " Huber Mceurs Fourmis 43-51 (1810) 10 ]. Formica 

 fusca Westwood Introd. Mod. Class. Ins. 2 Synops. 83 (1840) 11 ; Nylander 

 Acta. Soc. Sc. Fenn. 2 919 (1846) 12 : 3 27 (1849) 13 ; Schenck Jahrb. Ver. 

 Naturk. Nassau 8 II 14 43-45 15 (1852); Mayr Verb. Zool. Bot. Ver. Wien 

 5 346-347 (1855) 16 ; F. Smith Trans. Ent. Soc. Lond. (n.s.) 3 104 (1855) 17 : 

 Cat. Brit. Foss. Hym. 9 (1858) 18 ; A. Muller Ent. Mo. Mag. 9 120 (1872) 19 . 

 Formica fusca r. fusca Forel Denkschr. Schweiz. Ges. Naturw. 26 54 20 165 21 

 21722 35723 39924 408 25 (1874). Formica fusca Forel Bull. Soc. Vaud. Sc. Nat. 

 14 60 (1875) 26 ; Saunders Trans. Ent. Soc. Lond. 1880 207 27 ; H. Muller 

 Alpenblumen 591 (1881) 28 ; Er. Andre Spec. Hym. Europe 2 182 (1881) 29 ; 

 Lubbock Journ. Linn. Soc. Zool. 15 384 (1881) 30 : Ants, Bees, Wasps 34 31 

 38-39 32 91 33 (1882) : Journ. Linn. Soc. Zool. 20 133 (1888) 34 ; Dalla Torre 

 Cat. Hym. 7 196 (1893) 36 ; Wasmann Biol. Centralb. 15 617 (1895) 36 ; Farren- 

 White Ants' Ways 233-234 253 (1895) 37 ; Saunders Hym-Acul. 22 (1896) 38 ; 

 Malloch Ent. Mo. Mag. 40 42 109 (1904) 39 ; Dalglish Ent. Mo. Mag. 40 87 

 (1904) 40 ; Janet Obs. Fourmis 34-35 (1904) 41 ; Wasmann Biol. Centralb. 

 25 193 (1905) 42 ; Donisthorpe Trans. Leicester Lit-Phil. Soc. 12 223 (1908) 43 ; 

 Wasmann Biol. Centralb. 29 663 (1909) 44 : Arch. Trim. Inst. R. Grand Ducal 

 Luxemburg 4 75-81 (1909) 45 ; Arnold Ent. Mo. Mag. 45 278 (1909) 46 . For- 

 mica fusca fusca Emery Deutsch. Ent. Zeitschr. 1909 196. 47 . Formica 

 fusca Silverlock Nat. 35 13 (1910) 48 ; Wheeler Ants 174 49 654 50 (1910) ; 

 Donisthorpe Trans. Ent. Soc. Lond. 1910 144 ": Ent. Rec. 23 11 (1911) 62 : 

 Entom. 44 390 (1911) 63 : Ent. Rec. 24 7 (1912) 54 : 25 66 55 268 56 (1913); 

 Crawley and Donisthorpe Int. Ent. Cong. Oxford 1912 2 31-34 (1913) 57 . 

 Formica fusca fusca Wheeler Bull. Mus. Compar. Zool. 53 494 (1913) 58 . 

 Serviformica (Formica) fusca Forel Ann. Soc. Ent. Belg. 57 361 (1913) 69 . 

 Formica fusca Donisthorpe Ent. Rec. 26 41 (1914). 



Dalla Torre 35 queries F. barbata Razoumowski [Hist. Nat. Jorat. 

 1 225 (1789)], and F. capsincola Schilling [Ubers. Arbeit, Schles. 

 Ges. Vaterl. Kultur 1838 54, (1839)] as synonyms of F. fusca L. 

 The description of the former does not agree with fusca, and the 

 latter as pointed out by Roger [Berlin Ent. Zeitschr. 1 17 (1857)] 

 more probably refers to Donisthorpea nigra L. 



^ Black, mandibles, scape, base of funiculus, tibiae, tarsi, and articulations 

 of the femora reddish brown ; femora blackish brown ; hairs short and sparse, 

 pubescence white, more abundant, especially on gaster ; puncturation fine and 

 close, being somewhat shagreened, especially on the gaster. 



Head longer than broad, narrowed anteriorly, not emarginate posteriorly ; 

 clypeus entire, somewhat pointed anteriorly, carinate for its whole length ; 

 frontal area dull ; eyes large, bare ; mandibles armed with eight teeth ; 

 antennae slender, scape slightly thicker at apex, funiculus slightly thickened 

 towards apex with joints two and three slightly narrower but not longer 

 than the rest. Thorax narrow, depressed above, not very convex ; con- 



