Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. Author Smith, F. text 1858 British Museum London http://antbase.org/ants/publications/8127/8127.pdf book 8127 C86CFDBF-61D9-48EE-9C2E-325FC0462B10 21. Formica umbrata . Pl. III. fig. 11. B.M. Formica umbrata , Nyl. Addit. Mon. Form. Bor. Eur. 1048; Form. Fr. et d'Alger. 70. 29. Smith, Append, Cat. Brit. Hym. 116; Brit. Form. 106. 6. Foerst. Hym. Stud. Form. 39. 18. Schenck, Beschr. Nass. Ameis. 59. Mayr. Form. Austr. 93. 25; Ungar. Ameis. 14. 25. Formica mixta, Foerst . Hym. Stud. Form. 41 & 72. Hab. Britain; France; Germany; Austria; Hungary; Finland; Sweden.