1994

• Willmott, K.R.; Hall, J.P.W. 1994. Four new species of Riodinids from western Ecuador (Lepidoptera: Riodinidae). Tropical lepidoptera 5(2): 87-91. Full PDF. Reference page. 

1995

• Hall, J.P.W. & Willmott, K.R., 1995. Two new species of Adelpha from eastern Ecuador (Lepidoptera: Nymphalidae). Tropical Lepidoptera 6 (2): 106–109. Full article: . Reference page. 

• Hall, J.P.W. & Willmott, K.R. 1995a: Notes on the genus Argyrogrammana, with descriptions of five new species (Lepidoptera: Riodinidae). Tropical lepidoptera 6(2): 136–143. Full article (pdf). Reference page. 

• Hall, J.P.W. & K.R. Willmott, 1995b. Five new species and a new genus of riodinid from the cloud forests of eastern Ecuador (Lepidoptera: Riodinidae). Tropical Lepidoptera Research 6(2): 131–135. Full article: PDF. Reference page. 

• Hall, J.P.W. & Willmott, K.R. 1995c. Two new species of Mesene from western Ecuador (Lepidoptera: Riodinidae). Tropical Lepidoptera 6(2): 110-112. PDF. Reference page. .

• Hall, J.P.W. & Willmott, K.R. 1995d. Two new species of satyrines from Ecuador (Nymphalidae: Satyrinae). Tropical Lepidoptera 6(2): 103-105. PDF. Reference page. 

1996

• Hall, J.P.W. & Willmott, K.R. 1996. Systematics of the riodinid tribe Symmachiini, with the description of a new genus and five new species from Ecuador, Venezuela and Brazil (Lepidoptera: Riodinidae). Lambillionea 96(4): 637–660. PDFa PDFb Reference page. 

• Hall, J.P.W. & Willmott, K.R. 1996. The genus Theope: four new species and a new subspecies (Lepidoptera: Riodinidae). Tropical lepidoptera 7(1): 63–67. Abstract (pdf). Reference page. 

• Hall, J.P.W. & Willmott, K.R., 1996. Notes on the genus Argyrogrammana. Part 2, with one new species (Lepidoptera: Riodinidae). Tropical Lepidoptera 7 (1): 71–80. Abstract: . Reference page. 

• Torres-Núñez, R., Hall, J.P.W., Willmott, K.R. & Johnson, K. 1996. A new genus of Elfin butterflies from the northern high Andes (Lepidoptera: Lycaenidae). Tropical lepidoptera 7(1): 81–86. Full article (PDF).Reference page. 

• Devries, P.J.; Hall, J.P.W. 1996: Two new species of Costa Rican butterflies (Lepidoptera: Riodinidae). Tropical Lepidoptera, 7(1): 87–90. First page (PDF) Reference page. 

1997

• Hall, Jason P.W.; Austin, G.T. 1997: Riodinidae of Rondônia, Brazil: a new species of Theope (Lepidoptera: Riodinidae). Tropical lepidoptera 8(2): 101–102. Full article (pdf). Reference page. 

1998

• Hall, J.P.W. 1998: Six new species in the foliorum group of Theope (Lepidoptera: Riodinidae). Lambillionea 98(4): 562–573. Full article (PDF). Reference page. 

• Hall, J.P.W. 1998a. A review of the genus Sarota (Lepidoptera: Riodinidae). Tropical lepidoptera 9(2 suppl. 1): 1-21. PDF (pt. 1) PDF (pt. 2). Reference page. 

• Hall, J.P.W.; Willmott, K.R. 1998: Four new Riodinid species from eastern Ecuador (Lepidoptera: Riodinidae). Lambillionea 98(3): 325–334. Full article Reference page. 

• Hall, J.P.W. & Willmott, K.R. 1998. Nine new species and one new subspecies of Euselasia from Ecuador (Lepidoptera: Riodinidae). Tropical lepidoptera 9 supplement 1: 27–35. full article (pdf). Reference page. 

• Hall, J.P.W. & Harvey, D., 1998. A New Genus Of Riodinid, With A New Species From Panama (Lepidoptera: Riodinidae: Nymphidiini) Tropical Lepidoptera 9 (Suppl. 1): 36-41. PDF. Reference page. 

1999

• Hall, J.P.W. & Furtado, E., 1999. Two new species and one subspecies of Riodinid from southwest Brazil (Lepidoptera: Riodinidae). Tropical Lepidoptera Research 10 (1): 19–24. Full article: . Reference page. 

• Pyrcz, T.W., Willmott, K.R. & Hall, J.P.W., 1999: Contribution to the knowledge of Ecuadorian Pronophilini, Part III. Three new species and five new subspecies of Lymanopoda (Lepidoptera: Nymphalidae: Satyrinae). Genus 10(3): 497-522. full article (pdf)Reference page. 

• Hall, J.P.W., 1999. A revision of the genus Theope; its systematics and biology (Lepidoptera: Riodinidae: Nymphidiini). Gainesville, Scientific Publishers. viii + 127 pp., 9 pls., 274 figs., 7 tabs., 1 map. Reference page. 

2000

• Hall, J.P.W., 2000. Two New Genera in the Neotropical Riodinid Tribe Nymphidiini (Riodinidae) Journal of the Lepidopterists'Society 54 (2): 41–46. PDF Reference page. 

2001

• Hall, J.P.W., 2001. A revision of the new Riodinid butterfly genus Dachetola (Lepidoptera: Riodinidae). Journal of the New York Entomological Society 109(2): 183–195. Reference page. 

• Hall, J.P.W. & Harvey, D.J., 2001. A reassessment of Calociasma with the description of a new genus and a new species (Lepidoptera: Riodinidae: Nymphidiini). Journal of the New York Entomological Society 109(2): 196–205. pdf Reference page. 

• Hall, J.P.W. & Harvey, D.J. 2001a: Phylogenetic Revision of the Charis gynaea Group (Lepidoptera: Riodinidae) with Comments on Historical Relationships among Neotropical Areas of Endemism. Annals of the Entomological Society of America 94(5): 631-647. full article (PDF). Reference page. 

• Hall, J.P.W. & Lamas, G. 2001. Five new Riodinid species from northwestern dry forest and northeastern Andean cloud forest habitats in Peru (Lepidoptera: Riodinidae). Revista peruana de Entomología 42: 9–19, 10 figs. PDF. Reference page. 

• Willmott, K.R., Hall, J.P.W. & Lamas, G., 2001. Systematic Entomology 26: 369–399. PDF Reference page. 

2002

• Hall, J.P.W., 2002. Phylogeny of the Riodinid butterfly subtribe Theopeina (Lepidoptera: Riodinidae: Nymphidiini). Systematic Entomology 27: 139–167. pdf Reference page. 

• Hall, J.P.W., 2002. A phylogenetic revision of Calydna and relatives (Lepidoptera: Riodinidae). Insect Systematics & Evolution 33(2): 185–237. web. Reference page. 

• Hall, J.P.W.; Harvey, D.J. 2002: Basal subtribes of the Nymphidiini (Lepidoptera: Riodinidae): phylogeny and myrmecophily. Cladistics 18(6): 539–569. DOI: 10.1111/j.1096-0031.2002.tb00292.x Reference page. 

• Hall, J.P.W.; Harvey, D.J. 2002a: A survey of androconial organs in the Riodinidae (Lepidoptera). Zoological journal of the Linnean Society 136(2): 171–197. DOI: 10.1046/j.1096-3642.2002.00003.x Reference page. 

• Hall, J.P.W. & Harvey, D.J. 2002b: Phylogenetic revision of the Charis cleonus complex (Lepidoptera: Riodinidae). Systematic Entomology, 27(3): 265-300. full article (PDF). Reference page. 

• Hall, J.P.W. & Harvey, D.J. 2002c: A Phylogenetic Review of Charis and Calephelis (Lepidoptera: Riodinidae). Annals of the Entomological Society of America 95(4): 407-421. full article (PDF). Reference page. 

2003

• Hall, J.P.W., 2003. Phylogenetic reassessment of the five forewing radial-veined tribes of Riodininae (Lepidoptera: Riodinidae). Systematic Entomology 28 (1): 23–37 Full article: . Reference page. 

• Hall, J.P. and Callaghan, C.J., 2003. A revision of the new riodinid butterfly genus Pseudotinea (Lepidoptera: Riodinidae). Journal of natural History 37(7): 821-837, 14 figs. DOI Reference page. 

2004

• Hall, J.P.W. & D.J. Harvey, 2004. Five new Riodinid species from the Napo region of Ecuador and Peru (Lepidoptera: Riodinidae). Tropical Lepidoptera 12 (1-2): 35–41. Reference page. 

2005

• Hall, J.P.W.; Willmott, K.R., Busby, R.C. 2005: Five new Penaincisalia species (Lepidoptera: Lycaenidae: Eumaeini) from the Andes of southern Ecuador and northern Peru. Zootaxa 797: 1–20. Abstract & excerpt Reference page. 

• Hall, J. & Willmott, 2005. A New Species of Paiwarria (Lepidoptera: Lycaenidae: Eumaeini) from Western Ecuador. Proceedings of the Entomological Society of Washington 107 (4): 960–967. BHL. Reference page. 

2007

• Hall, J.P.W., 2007. Two new genera in the Nymphidiina (Lepidoptera: Riodinidae: Nymphidiini). Zootaxa 1415: 35–42. pdf. Reference page. 

• Hall, J.P.W. & Lamas, G., 2007. Four new symmachiine taxa from the eastern Andes of Peru and Ecuador. Zootaxa 1533: 41-52, 11 figs. Reference page. 

• Hall, J.P.W., 2007. Phylogenetic Revision of the New Neotropical Riodinid Genus Minstrellus (Lepidoptera: Riodinidae). Annals of the Entomological Society of America 100 (6): 773–786 web. Reference page. 

• Hall & Willmott, [2007]. Four new species of Symmachiini from Ecuador (Lepidoptera: Riodinidae). Tropical Lepidoptera 16 (1-2): 1–5. PDF. Reference page. 

• Hall, J.P.W. & D.J. Harvey, 2007. Three new species of Symmachiini from Panama and Colombia (Lepidoptera: Riodinidae). Tropical Lepidoptera 16 (1-2): 7–10, 7 figs. (25 May) Reference page. 

2009

• 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. 

2010

• Hall, J.P.W. & Willmott, K.R., 2010: Description of a new Lucillella Species: (Riodinidae: Symmachiini) discovered in the eastern Andes of Ecuador using the single rope canopy access technique. Journal of the Lepidopterists' Society 64 (3): 139–146. Full article: .

2015

• Nakahara, S., Hall, J.P.W., Lamas, G. & Willmott, K.R. 2015. Seven new species and one new subspecies of Euptychia Hübner, 1818 (Lepidoptera: Nymphalidae: Satyrinae) from the tropical Andes. Tropical Lepidoptera Research 25(2): 63–79. Reference page. 

2017

• Willmott, K.R., Lamas, G. & Hall, J.P.W. 2017. Notes on the taxonomy of Actinote intensa Jordan (Lepidoptera: Nymphalidae: Heliconiinae) and the description of a new sibling species from eastern Ecuador. Tropical Lepidoptera Research 27(1): 6-15. full article (PDF). Reference page. 

• Willmott, K.R., Simon, M., Ortiz-Acevedo, E. & Hall, J.P.W. 2017. First record of the enigmatic tribe Anaeomorphini (Lepidoptera, Nymphalidae, Charaxinae) outside of the Amazon basin: a new species of Anaeomorpha Rothschild, 1894, from the Chocó region of western Ecuador. Insecta Mundi (0548): 1–10. Full article (PDF). Reference page. 

2018

• Nakahara, S., Zacca, T., Huerta, B., Neild, A.F.E., Hall, J.P.W., Lamas, G., Holian, L.A., Espeland, M. & Willmott, K.R. 2018: Remarkable sexual dimorphism, rarity and cryptic species: a revision of the ‘aegrota species group’ of the Neotropical butterfly genus Caeruleuptychia Forster, 1964 with the description of three new species (Lepidoptera, Nymphalidae, Satyrinae). Insect Systematics & Evolution 49(2): 130–182. Reference page. 

• Willmott, K.R., Lamas, G., Radford, J., Marín, M.A., Nakahara, S., Espeland, M., Xiao, L. & Hall, J.P.W. 2018. A distinctive new species of cloud forest Euptychiina (Lepidoptera: Nymphalidae: Satyrinae) from Ecuador and Peru. Tropical Lepidoptera Research 28(1): 39-45. full article (PDF). Reference page. 

2019

• 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. .