Yarrow, I. H. H. 1954a. The British ants allied to Formica fusca L. (Hym., Formicidae). Transactions of the Society for British Entomology 11:229-244. PDF

Yarrow, I. H. H. 1954b. Formica exsecta Nylander (Hym., Formicidae) in the British Isles. Entomologist's Monthly Magazine 90:183-185.

Yarrow, I. H. H. 1954c. Application for the re-examination and re-phrasing of the decision taken by the International Commission regarding the name of the type species of "Formica" Linnaeus, 1758 (Class Insecta, Order Hymenoptera). Bulletin of Zoological Nomenclature 9:313-318.

Yarrow, I. H. H. 1955a. The British ants allied to Formica rufa L. (Hym., Formicidae). Transactions of the Society for British Entomology 12:1-48. PDF

Yarrow, I. H. H. 1955b. The British Strongylognathus (Hym., Formicidae). Journal of the Society for British Entomology 5:114-115.

Yarrow, I. H. H. 1955c. The type species of the ant genus Myrmica Latreille. Proceedings of the Royal Entomological Society of London. Series B 24:113-115. PDF

Yarrow, I. H. H. 1956. Formica rufa L. (Hym., Formicidae) in Oxfordshire. Entomologist's Monthly Magazine 92:8.

Haddow, A. J.; Yarrow, I. H. H.; Lanchaster, G. A.; Corbet, P. S. 1966. Nocturnal flight cycle in the males of African doryline ants (Hymenoptera: Formicidae). Proceedings of the Royal Entomological Society of London. Series A 41:103-106.

Yarrow, I. H. H. 1967. On the Formicidae of the Azores. Boletim do Museu Municipal do Funchal 21:24-32. PDF

Yarrow, I. H. H. 1968. Sifolinia laurae Emery 1907, a workerless parasitic ant new to Britain (Hymenoptera, Formicidae). Entomologist 101:236-240.

Collingwood, C. A.; Yarrow, I. H. H. 1969. A survey of Iberian Formicidae (Hymenoptera). EOS. Revista Española de Entomología 44:53-101. PDF