Espadaler, X. 1999b. Hormigas (Hymenoptera, Formicidae) de los Monegros. Boletín de la Sociedad Entomológica Aragonesa 24:151-152. PDF

Espadaler, X.; Akino, T.; Terayama, M. 2002 ("2001"). Taxonomic status of the ant Lasius nipponensis Forel, 1912 (Hymenoptera, Formicidae). Nouvelle Revue d'Entomologie (n.s.)18:335-341. PDF

Espadaler, X.; Bernal, V. 2003. Exotic ants in the Canary Islands (Hymenoptera, Formicidae). Vieraea 31:1-7.

Espadaler, X. 1998 ("1997"). [Untitled. Messor erectus Espadaler, sp. n.]. Pp. 430-431 in: Cagniant, H.; Espadaler, X. 1998 ("1997"). Le genre Messor au Maroc (Hymenoptera: Formicidae). Annales de la Société Entomologique de France (n.s.)33:419-434. PDF

Espadaler, X. 1999a. Lasius neglectus Van Loon, Boomsma & Andrásfalvy, 1990 (Hymenoptera, Formicidae), a potential pest ant in Spain. Orsis (Organismes i Sistemes) 14:43-46. PDF

Espadaler, X. 1997g. Catàleg de les formigues (Hymenoptera: Formicidae) dels països catalans. Sessió d'Entomologia ICHN-SCL 9:23-42. PDF

Espadaler, X. 1997d. Formicidos de las Sierras de Cazorla, del Pozo y Segura (Jaen, España) (Hymenoptera, Formicidae). Ecología (Madrid) 11:489-499.

Espadaler, X. 1997e. Redescription of Leptothorax schaufussi (Forel, 1879) (Hymenoptera: Formicidae). Orsis (Organismes i Sistemes) 12:101-107.

Espadaler, X.; García-Berthou, E. 1997f. Tapinoma pygmaeum (Dufour, 1857) (Hymenoptera, Formicidae), not a rare species. Orsis (Organismes i Sistemes) 12:89-92.

Espadaler, X. 1997a. Hymenoptera 2: Familia Formicidae. Catalogus de la Entomofauna Aragonesa 13:13-21.

Espadaler, X. 1997b ("1996"). Diagnosis preliminar de siete especies nuevas de hormigas de la Península Ibérica (Hymenoptera: Formicidae). Zapateri. Revista Aragonesa de Entomología 6:151-153. PDF

Espadaler, X. 1997c. Leptothorax caesari sp. n. (Insecta: Hymenoptera: Formicidae), a granivore with apterous males. Annalen des Naturhistorischen Museums in Wien. B, Botanik, Zoologie 99:145-150.

Errard, C.; Delabie, J.; Jourdan, H.; Hefetz, A. 2005. Intercontinental chemical variation in the invasive ant Wasmannia auropunctata (Roger) (Hymenoptera Formicidae): a key to the invasive success of a tramp species. Naturwissenschaften 92:319-323. PDF

Espadaler, X. 1996. Myrmica cagnianti, a new ant from North Africa (Hymenoptera, Formicidae). Miscel·lània Zoològica (Barcelona) 19:67-74. PDF

Espadaler, X. 2007. The ants of El Hierro (Canary Islands). Pp 113-127 in: Snelling, R. R.; Fisher, B. L.; Ward, P. S. (eds.) 2007. Advances in ant systematics (Hymenoptera: Formicidae): homage to E.O. Wilson – 50 years of contributions. Memoirs of the American Entomological Institute 80:690 pp. PDF

Engel, M. S.; Grimaldi, D. A. 2005. Primitive new ants in Cretaceous amber from Myanmar, New Jersey, and Canada (Hymenoptera: Formicidae). American Museum Novitates 3485:1-23. PDF

Englisch, T.; Steiner, F. M.; Schlick-Steiner, B. C. 2005. Fine-scale grassland assemblage analysis in Central Europe: ants tell another story than plants (Hymenoptera: Formicidae; Spermatophyta). Myrmecologische Nachrichten 7:61-67. PDF

Elmes, G. W.; Radchenko, A. G.; Kim, B.-J. 2001. Two new species of Myrmica (Hymenoptera, Formicidae) from Korea. Korean Journal of Biological Sciences 5:107-112. PDF

Elmes, G. W.; Radchenko, A. G.; Thomas, J. A. 2003. First records of Myrmica vandeli Bondroit (Hymenoptera, Formicidae) for Britain. British Journal of Entomology and Natural History 16:145-152. PDF

Elmes, G. W.; Radchenko, A. G.; Aktaç, N. 2002. Four new Myrmica species (Hymenoptera: Formicidae) from Turkey. Annales Zoologici (Warsaw) 52:157-171. PDF

Elmes, G. W.; Radchenko, A. G.; Balletto, E.; Barbero, F. 2008. Myrmica obscura Finzi – a good ant species (Hymenoptera: Formicidae) endemic to Italy. Fragmenta Faunistica (Warsaw) 51 (2):91-100. PDF

Elmes, G. W.; Radchenko, A. G. 1998. Ants of the genus Myrmica from Taiwan (Hymenoptera: Formicidae). Chinese Journal of Entomology 18:217-224. PDF

Elmes, G. W.; Radchenko, A. G. 2009. Two new Himalayan ant species (Hymenoptera, Formicidae) related to Myrmica indica. Vestnik Zoologii 43 (2):107-119. PDF

Ellison, A. M.; Farnsworth, E. J.; Gotelli, N. J. 2002. Ant diversity in pitcher-plant bogs of Massachusetts. Northeastern Naturalist 9:267-284. PDF

Eguchi, K.; Yoshimura, M.; Yamane, S. 2006. The Oriental species of the ant genus Probolomyrmex (Insecta: Hymenoptera: Formicidae: Proceratiinae). Zootaxa 1376:1-35. PDF

Eilmus, S.; Heil, M. 2009. Bacterial associates of arboreal ants and their putative functions in an obligate ant-plant mutualism. Applied and Environmental Microbiology 75:4324-4332. PDF

Eguchi, K.; Yamane, S.; Zhou, S.-Y. 2007. Taxonomic revision of the Pheidole rinae Emery complex. Sociobiology 50:257-284.

Eguchi, K.; Hashimoto, Y.; Malsch, A. K. F. 2006. Pheidole schoedli sp.n. (Hymenoptera: Formicidae), a subterranean species found from North Borneo. Myrmecologische Nachrichten 8:31-34. PDF

Eguchi, K.; Bui, T. V.; Yamane, S. 2004. A preliminary study on foraging distance and nesting sites of ants in the Indo-Chinese lowland vegetation (Insecta, Hymenoptera, Formicidae). Sociobiology 43:445-457.

Eguchi, K.; Bui, T. V.; Yamane, S. 2008. Vietnamese species of the genus Acanthomyrmex Emery, 1893 – A. humilis sp. n. and A. glabfemoralis Zhou & Zheng, 1997 (Hymenoptera: Formicidae: Myrmicinae). Myrmecological News 11:231-241. PDF