1994

• Freitas, A.V.L. & Brown, K.S. 1994. Juvenile stages of Ithomiinae: overview and systematics (Lepidoptera: Nymphalidae). Tropical Lepidoptera, 5 (1): 9–20. Full article:

2004

• Freitas, A.V.L. & Brown, K.S. 2004. Phylogeny of the Nymphalidae (Lepidoptera). Systematic Biology 53(3): 363–383. DOI: 10.1080/10635150490445670 . Reference page. 

2006

• Peña, C., Wahlberg, N., Weingartner, E., Kodandaramaiah, U., Nylin, S., Freitas, A.V.L. & Brower, A.V.Z. 2006. Higher level phylogeny of Satyrinae butterflies (Lepidoptera: Nymphalidae) based on DNA sequence data. Molecular Phylogenetics and Evolution 40(1): 29–49. DOI: 10.1016/j.ympev.2006.02.007 Reference page. 

2009

• Wahlberg, N., Leneveu, J., Kodandaramaiah, U., Peña, C., Nylin, S., Freitas, A.V.L. & Brower, A.V.Z. 2009. Nymphalid butterflies diversify following near demise at the Cretaceous/Tertiary boundary. Proceedings of the Royal Society B 276(1677): 4295–4302. DOI: 10.1098/rspb.2009.1303 . Reference page. 

• Willmott, K.R., Freitas, A.V.L., Hall, J.P.W., Silva-Brandão, K.L. & Paluch, M. 2009. A new species of Actinote Hübner from the eastern Andes of Ecuador (Lepidoptera: Nymphalidae: Heliconiinae). Proceedings of the Entomological Society of Washington 111(1): 47–56. PDF. Reference page. 

2015

• Freitas, A.V.L., Barbosa, E.P., Siewert, R.R., Mielke, O.H.H., Zacca, T. & Azeredo-Espin, A.M.L. 2015: Four new species of Moneuptychia (Lepidoptera: Satyrinae: Euptychiina) from Brazil. Zootaxa 3981(4): 521–541. DOI: 10.11646/zootaxa.3981.4.4 . Preview (PDF) Reference page. 

• Freitas, A.V.L., Lewinsohn, T.M., Magaldi, L.M. & Wahlberg, N. 2015: A new subspecies of Anthanassa (Nymphalidae: Nymphalinae: Melitaeini) from southeastern Brazil. Journal of the Lepidopterists’ Society, 69(2): 83–90. full article (pdf). Reference page. 

2016

• Freitas, A.V.L., Barbosa, E.P., Willmott, K.R., Wahlberg, N. & Lamas, G. 2016. ‘Species’ from two different butterfly genera combined into one: description of a new genus of Euptychiina (Nymphalidae: Satyrinae) with unusually variable wing pattern. Revista Brasileire de Entomologia 60(3): 157–165. full article (PDF). Reference page. 

• Freitas, A.V.L., Magaldi, L.M. & Willmott, K.R. 2016. A new subspecies of Oleria gunilla (Nymphalidae: Danainae) from North Mato Grosso, Brazil. Journal of the Lepidopterists’ Society 70(4): 295–301 DOI: 10.18473/lepi.70i4.a8 . Reference page. 

• Kaminski, L.A., Iserhard, C.A. & Freitas, A.V.L. 2016. Thisbe silvestre sp. nov. (Lepidoptera: Riodinidae): a new myrmecophilous butterfly from the Brazilian Atlantic Forest. Austral Entomology 55(2): 138–146. DOI: 10.1111/aen.12159 . Reference page. 

• Willmott, K.R., Mielke, O.H.H. & Freitas, A.V.L. 2016. A new subspecies and validation of the enigmatic species Adelpha herbita Weymer endemic to the Brazilian Atlantic forest (Nymphalidae: Limenitidinae). Tropical Lepidoptera Research 26(1): 32-37. full article (PDF). Reference page. 

2017

• Kaminski, L.A., Callaghan, C.J., Seraphim, N., Magaldi, L.M., Volkmann, L. & Freitas, A.V.L. 2017. Sertania gen. nov., a new genus of butterflies (Lepidoptera: Riodinidae) from the South American dry diagonal. Zootaxa 4312(1): 165–179. DOI: 10.11646/zootaxa.4312.1.8 Reference page. 

2018

• Seraphim, N., Kaminski, L.A., DeVries, P.J., Penz, C.M., Callaghan, C.J., Wahlberg, N., Silva-Brandão, K.L. & Freitas, A.V.L. 2018. Molecular phylogeny and higher systematics of the metalmark butterflies (Lepidoptera: Riodinidae). Systematic Entomology 43(2): 407–425. DOI: 10.1111/syen.12282 Reference page. 

2019

• Freitas, A.V.L., Mota, L.L., Barbosa, E.P. & Carreira, J.Y.O. 2019. Immature stages of the Selaginella-feeding Euptychia mollina (Nymphalidae: Satyrinae) from the Brazilian Amazon. Zoologia, 36: e. DOI: 10.3897/zoologia.36.e32053 Reference page. 

• Freitas, A.V.L., Mota, L.L., Zacca, T. & Barbosa, E.P. 2019. Description of a new and highly distinctive genus and species of Euptychiina (Lepidoptera: Nymphalidae: Satyrinae) from the Brazilian southern Amazon. Revista Brasileira de Entomologia 63(3): 254-261. DOI: 10.1016/j.rbe.2019.05.004 . Reference page. 

• Freitas, Woodbury, M.S., Barbosa & Willmott 2019. A new subspecies of Adelpha messana (C. Felder & R. Felder) from the Brazilian Atlantic forest (Nymphalidae: Limenitidinae). Tropical Lepidoptera Research 29(2): 62-66. Online. Reference page. .

• Willmott, K.R., Marín, M.A., Nakahara, S., Pomerantz, T., Lamas, G., Huertas, B., Espeland, M., Xiao, L., Hall, J.P.W., Willmott, J.I.R. & Freitas, A.V.L. 2019. A revision of the new Andean butterfly genus Optimandes Marín, Nakahara & Willmott, n. gen., with the description of a new species (Nymphalidae: Satyrinae: Euptychiina). Tropical Lepidoptera Research 29(1): 29-44. Online. Reference page. .