Lavorò presso il British Museum, studiando soprattutto la tassonomia degli uccelli, degli insetti (in particolar modo i Lepidotteri) e degli aracnidi. Pubblicò anche studi sui ragni dell'Australia, delle Galápagos, del Madagascar ecc.
Taxa denominati in suo onore Aranoethra butleri - ragno della famiglia Araneidae Strix butleri - uccello della famiglia Strigidae Accipiter butleri - uccello della famiglia Accipitridae
Opere Di seguito, un elenco parziale delle pubblicazioni e delle opere. Aracnologia Butler, A.G., 1873a - A monographic list of the species of Gasteracantha or crab-spiders, with descriptions of new species. Trans. ent. Soc. Lond. 1873, pp. 153–180 Butler, A.G., 1873b - A list of the spiders of the genus Acrosoma. Proc. zool. Soc. Lond. 1873, pp. 420–429 Butler, A.G., 1876a - On a small collection of Arachnida from Queensland with descriptions of three apparently new species. Cist. Ent. vol.1, pp. 349–354 Butler, A.G., 1876b - Preliminary notice of new species of Arachnida and Myriopoda from Rodriguez, collected by Mssrs George Gulliver and H. H. Slater. Ann. Mag. nat. Hist. (4) vol.17, pp. 439–446 Butler, A.G., 1882a - On some new species of the genus Caerostris from Madagascar. Ann. Mag. nat. Hist. (5) vol.10, pp. 100–106 Butler, A.G., 1882b - On some new or little known spiders from Madagascar. Proc. Zool. Soc. Lond. 1882, pp. 763–768
Entomologia Catalogue of Diurnal Lepidoptera of the family Satyridae in the collection of the British Museum (1868) Catalogue of Diurnal Lepidoptera Described by Fabricius in the Collection of the British Museum (1870), Lepidoptera Exotica, or, Descriptions and illustrations of exotic lepidoptera (1869-1874) Tropical Butterflies and Moths (1873) Catalogue of the Lepidoptera of New Zealand (1874) The butterflies of Malacca (1879). con Herbert Druce (1846-1913), Descriptions of new genera and species of Lepidoptera from Costa Rica. Cistula entomologica, 1: 95–118 (1872).
Ornitologia Foreign birds for cage and aviary, Order Passeres... (1896-1897) illustrated by Frederick William Frohawk (1861-1946) British Birds' Eggs: a handbook of British oölogy
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Altri progetti
Collegamenti esterni