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 24. Myrmica simillima . Myrmica simillima, Nyl. Form. Fr. et d'Alger. 94. Smith, Brit. Hym. 118. Leptothorax affinis , Mayr. Form. Austr. 170. 7? (See Nyl. Form. Fr. et d'Alger. 94, note.) Hab. Britain; Austria.