19. Formica flava ^HNS. B.M.

Formica flava, De Geer ^HNS, Ins. ii. 1089. 5. t. 42. f. 24-28.

Fabr. Ent. Syst. ii. 357. 34.

Latr. Hist. Nat. Fourm. 166. pl. 6. f. 36. A. [[worker]], B. [[male]], E. [[queen]].

Oliv. Encycl. Meth. vi. 496. 29.

Losana, Form. Piem. 331.

St. Farg. Hym. i. 208. 9.

Nyl. Adno. Mon. Form. Bor. 922.17; Form. Fr. et d'Alger. 69. 28.

Foerst. Hym. Stud. Form. 38. 17.

Schenck, Beschr. Nass. Ameis. 56.

Smith, Brit. Form. 108. 7.

Mayr. Form. Austr. 91. 24; Ungar. Ameis. 14. 24.

Hab. Britain; France; Germany; Austria; Hungary; Lapland; Finland.