Badon, J.A. and J.Y. Miller. 2020. New subspecies of Appias phoebe C. & R. Felder, 1861 (Lepidoptera: Pieridae) from Mount Talinis, Negros Island, Philippines. Nachrichten des Entomologischen Vereins Apollo 40(3/4):147-148.

Bargar, T.A, M.L. Hladik, and J.C. Daniels. 2020. Uptake and toxicity of clothianidin to Monarch butterflies from milkweed consumption. PeerJ 8:e8669. DOI:10.7717/peerj.8669.

Boncristiani, H., J.D. Ellis, T. Bustamante, J. Graham, C. Jack, C.B. Kimmel, A. Mortensen, D. Schmehl. 2020. World Honey bee health: The global distribution of western Honey bee (Apis mellifera L.) pests and pathogens. Bee World Online Only. DOI:10.1080/0005772X.2020.1800330.

Braby, M., M. Espeland, C. Muller, R. Eastwood, D. Lohman, A.Y. Kawahara, S. Maunsell, and N. Pierce. 2020. Molecular phylogeny of the tribe Candalidini (Lepidoptera: Lycaenidae): Systematics, diversification and evolutionary history. Systematic Entomology 45(3):703-722. DOI:10.1111/syen.12432.

Brou, V.A. and D.L. Matthews. 2020. Stenoma exarata (Zeller, 1854) (Lepidoptera: Depressariidae) in Louisiana. Southern Lepidopterists’ News 42(1):7-8.

Calhoun, J.V., Q. Cong, N.V. Grishin, and A.D. Warren. 2020. Comment (Case 3709) – Additional comments on the proposed conservation of names for western North American Hesperia comma-group subspecies through designation of neotypes (see BZN 75:88-121 [case]; BZN 76:55-56, 57-59, 135-138; 77; 35 [Comments]). Bulletin of Zoological Nomenclature 77:36-40.

Cinel, S., D.A. Hahn, and A.Y. Kawahara. 2020. Predator-induced insect stress responses in insects: A review. Journal of Insect Physiology 122:104039. DOI:10.1016/j.jinsphys.2020.104039.

Daniels, J.C. 2020. Butterflies of the Northwest: Your Way to Easily Identify Butterflies. Adventure Publications, Cambridge, MN. 22 pp.

Daniels, J.C. 2020. Native Plant Gardening for Birds, Bees & Butterflies: Upper Midwest. Adventure Publications, Cambridge, MN. 363 pp.

Daniels, J.C. 2020. Native Plant Gardening for Birds, Bees & Butterflies: Southeast (Nature-Friendly Gardens). Adventure Publications. Cambridge, MN. 276 pp.

Daniels, J.C., G.M. Hill, K.A. Rossetti, S.J. Sanchez, and J.A. Hornfeldt. 2020. At-risk butterfly captive propagation programs to enhance life history knowledge and effective ex situ conservation techniques. Journal of Visualized Experiments 156:e60591. DOI:10.3791/60591.

Debrot, A.O., H. Madden, L.E. Becking, A. Royer, and J.Y. Miller. 2020. The butterflies of St. Eustatius with a faunal comparisons among the adjacent to the butterfly fauna of the adjacent islands of the Lesser Antilles. Caribbean Journal of Science 50(1):91-106.

Galindo, O., J.Y. Miller, and J.M. Gonzalez. 2020. Scientific note: Courtship behavior and other observations on the biology of Escalantia estherae (J.Y. Miller) (Castniidae: Castniinae), in Mexico. Tropical Lepidoptera Research 30(1):1-3.

Gaviria-Ortiz, F.G., D.R. Dolibaina, E. Carneiro, A.D. Warren, O.H.H. Mielke, and M.M. Casagrande. 2020. A review of the Neotropical skipper genus Sodalia Evans, 1955 (Lepidoptera: Hesperiidae: Hesperiinae) with the description of a new species. Zootaxa 4877(1):102-124. DOI:10.11646/zootaxa.4877.1.4.

Gough, H.M., J.M. Allen, E.F.A. Toussaint, C.G. Storer, and A.Y. Kawahara. 2020. Transcriptomics illuminate the phylogenetic backbone of Tiger beetles. Biological Journal of the Linnaean Society 129:740-751. DOI:10.1093/biolinnean/blz195.

Heppner, J. B. 2020. A new species of Ukamenia from Vietnam (Lepidoptera: Tortricidae: Olethreutinae: Gatesclarkeanini). Zootaxa (Auckland), 4743:280-284. (with Y.-S. Bae)

Heppner, J. B. 2020. Florida Lepidoptera biodiversity and phenology. Southern Lepidopterists’ News (Gainesville), 42:69-76.

Heppner, J. B. 2020. Guatemala moth notes, 8. A new Stenoma specis from Guatemala related to Stenoma sexmaculata (Lepidoptera: Oecophoridae: Stenomatinae). Lepidoptera Novae (Gainesville), 12:25-30. (2019)

Heppner, J. B. 2020. Nearctic metalmark moths, 4. Genus Prochoreutis and the new genera Protochoreutis and Neochoreutis (Lepidoptera: Choreutidae: Choreutinae). Lepidoptera Novae (Gainesville), 12:31-46. (2019)

Heppner, J. B. 2020. Hystrichoscelus spathanum in South Korea (Lepidoptera: Tortricidae: Olethreutinae: Olethreutinni). Lepidoptera Novae (Gainesville), 12:47-48. (2019) (with Y.-S. Bae)

Heppner, J. B. 2020. A new Neotropical apatelodid moth in the new genus Perlucipelidus (Lepidoptera: Apatelodidae: Epiinae).Lepidoptera Novae (Gainesville), 12:49-52. (2019)

Heppner, J. B. 2020. Florida Lepidoptera notes, 25. Eurythmidia in Florida (Lepidoptera: Pyralidae: Phycitinae). Lepidoptera Novae (Gainesville), 12:53-56. (2019) (with T. S. Dickel)

Heppner, J. B. 2020. Florida Lepidoptera notes, 26. Baphala in Florida (Lepidoptera: Pyralidae: Phycitinae). Lepidoptera Novae (Gainesville), 12:57-62. (2019) Iwith T. S. Dickel)

Heppner, J. B. 2020. Notes on Cilix hispanica in France and southern Europe (Lepidoptera: Drepanidae). Lepidoptera Novae (Gainesville), 12:63-66. (2019) (with J. H. R. Thiele)

Heppner, J. B. 2020. Cilix algerica in Spain (Lepidoptera: Drepanidae). Lepidoptera Novae (Gainesville), 12:67-70. (2019)

Heppner, J. B. 2020. Female scent glands on the ovipositor of Meskea in Mexico (Lepidoptera: Thyrididae: Siculodinae). Lepidoptera Novae (Gainesville), 12:71-73. (2019) (with J. H. R. Thiele)

Heppner, J. B. 2020. Book review: What Linnaeus Saw: a Scientist’s Quest to Name Every Living Thing (Beil). Lepidoptera Novae (Gainesville), 12:74. (2019)

Heppner, J. B. 2020. A new Neotropical apatelodid moth in the new genus Perlucipelidus (Lepidoptera: Apatelodidae: Epiinae). Lepidoptera Novae 12:49-52.

Heppner, J. B. 2020. Cilix algerica in Spain (Lepidoptera: Drepanidae). Lepidoptera Novae 12:67-70.

Heppner, J. B. 2020. Female scent glands on the ovipositor of Meskea in Mexico (Lepidoptera: Thyrididae: Siculodinae). Lepidoptera Novae 12:71-73.

Heppner, J. B. 2020. Florida Lepidoptera biodiversity and phenology. Southern Lepidopterists’ News 42:69-76.

Heppner, J. B. 2020. Florida Lepidoptera notes, 25. Eurythmidia in Florida (Lepidoptera: Pyralidae: Phycitinae). Lepidoptera Novae 12:53-56.

Heppner, J. B. 2020. Florida Lepidoptera notes, 26. Baphala in Florida (Lepidoptera: Pyralidae: Phycitinae). Lepidoptera Novae 12:57-62.

Heppner, J. B. 2020. Guatemala moth notes, 8. A new Stenoma specis from Guatemala related to Stenoma sexmaculata (Lepidoptera: Oecophoridae: Stenomatinae). Lepidoptera Novae 12:25-30.

Heppner, J. B. 2020. Hystrichoscelus spathanum in South Korea (Lepidoptera: Tortricidae: Olethreutinae: Olethreutinni). Lepidoptera Novae 12:47-48.

Heppner, J. B. 2020. Nearctic Metalmark moths, 4. Genus Prochoreutis and the new genera Protochoreutis and Neochoreutis (Lepidoptera: Choreutidae: Choreutinae). Lepidoptera Novae 12:31-46.

Heppner, J. B. 2020. Notes on Cilix hispanica in France and southern Europe (Lepidoptera: Drepanidae). Lepidoptera Novae 12:63-66.

Heppner, J. B. and Y.-S. Bae. 2020. A new species of Ukamenia from Vietnam (Lepidoptera: Tortricidae: Olethreutinae: Gatesclarkean­ini). Zootaxa 4743(2):280-284. DOI:https://doi.org/10.11646/zootaxa.4743.2.11.

Hunt, A. and D. L. Matthews. 2020. Pterophoridae recorded on Block Island (Rhode Island, USA), 2018-2019. News of the Lepidopterists’ Society 62(2):68-74.

Kawahara, A. Y., M. Ennes, and A. Markee. 2020. Want to teach kids about nature? Insects can help. The Conversation 2020. https://theconversation.com/want-to-teach-kids-about-nature-insects-can-help-145160.

Krishna, A., X. Nie, A.D. Warren, J.E. Llorente-Bousquets, A.D. Briscoe, and J. Lee. 2020. Infrared optical and thermal properties of microstructures in butterfly wings. Proceedings of the National Academy of Sciences 117(3):1566-1572. DOI:10.1073/pnas.1906356117.

Martinez, J.I. 2020. Revision of the South American genus Gaujonia Dognin (Noctuidae, Pantheinae) with descriptions of five new genera and twenty-one new species. ZooKeys 985:71-126. DOI:10.3897/zookeys.985.51622.

Mielke, C.G.C., R.A. St Laurent, R. Rougerie, and W.A. Nässig. 2020. Notes on Adeloneivaia Travassos: The identity of A. catharina (Bouvier) and the descriptions of female A. bahiana Brechlin & Meister and A. minuta (Bouvier) (Lepidoptera: Saturniidae: Ceratocampinae). Nachrichten des entomologischen Vereins Apollo, Frankfurt am Main, N.F. 41(3/4):131-137.

Nakahara, S., G. Lamas, K.R. Willmott, and M. Espeland. 2020. Description of a new genus and species for a common and widespread Amazonian satyrine butterfly (Lepidoptera: Nymphalidae: Satyrinae: Satyrini). PeerJ 8:e10324. DOI:https://doi.org/10.7717/peerj.10324.

Nakahara, S., K. Kleckner, G. Lamas, B. Huertas, and K.R. Willmott. 2020. A contribution towards the systematics of Magneuptychia Forster, 1964: Caeruleuptychia francisca (Butler, 1870), n. comb. (Lepidoptera: Nymphalidae: Satyrinae). Tijdschrift voor Entomologie 163:51-61. DOI:https://doi.org/10.1163/22119434-bja10004.

Nestle, R., J.C. Daniels, and A.G. Dale. 2020. Mixed-species gardens increase Monarch oviposition without increasing top-down predation. Insects 11(9):648. DOI:10.3390/insects11090648.

Ortiz-Acevedo, E., J. Gomez, K.R. Willmott, M. Espeland, and E.F.A. Toussaint. 2020. The roles of wing color pattern and geography in the evolution of Neotropical Preponini butterflies. Ecology and Evolution 10(23):12801-12816. DOI:https://doi.org/10.1002/ece3.6816.

Owens, H.L., D.S. Lewis, F.L. Condamine, A.Y. Kawahara, and R.P. Guralnick. 2020. Comparative phylogenetics of Papilio butterfly wing shape and size demonstrates independent hindwing and forewing evolution. Systematic Biology 69(5):813-819.

Padrón, P.S., A. Vélez, N. Miorelli, and K.R. Willmott. 2020. Urban areas as refuges for endemic fauna: Description of the immature stages of Catasticta flisa duna (Eitschberger & T. Racheli, 1998) (Lepidoptera: Pieridae) and its ecological interactions. Neotropical Biodiversity 6(1):109-116. DOI:10.1080/23766808.2020.1769993.

Plotkin, D. and A.Y. Kawahara. 2020. Review of recent taxonomic changes to the Emerald moths (Lepidoptera: Geometridae: Geometrinae). Biodiversity Data Journal 8:e52190.

Reeves, L.E. and J.C. Daniels. 2020. Conservation value of secondary forest habitats to endemic frugivorous butterflies at Mount Kanlaon, Negros Occidental, Philippines. Journal of Insect Conservation 24:913-926. DOI:10.1007/s10841-020-00263-x.

Reilly, J.R., D.R. Artz, D. Biddinger, K. Bobiwash, N.K. Boyle, C. Brittain, J. Brokaw, J.W. Campbell, J.C. Daniels, E. Elle, J.D. Ellis, S.J. Fleischer, J. Gibbs, R.L. Gillespie, K.B. Gundersen, L. Gut, G. Hoffman, N. Joshi, O. Lundin, K. Mason, C.M. McGrady, S.S. Peterson, T.L. Pitts-Singer, S. Rao, N. Rothwell, L. Rowe, K.L. Ward, N.M. Williams, J.K. Wilson, R. Isaacs, and R. Winfree. 2020. Crop production in the USA is frequently limited by a lack of pollinators. Proceedings of the Royal Society B. 287:20200922.

Sourakov, A. 2020. Emperors, admirals and giants, zebras, tigers and woolly bears: Casting a broader net in exploring heparin effects on Lepidoptera wing patterns. F1000Research 7:1842. DOI:https://doi.org/10.12688/f1000research.16926.3.

Sourakov, A., C.F. Doll, A.M. Quinn, L. Xiao, and E. Anderson. 2020. On speciation and hybridization among closely related species: Establishing an experimental breeding lineage between two species of Automeris Hübner moths (Lepidoptera: Saturniidae) and implications for taxonomy. Insecta Mundi 0797:1-16. DOI:10.5281/zenodo.4565149.

Sourakov, A. and L.T. Shirai. 2020. Pharmacological and surgical experiments on wing pattern development of Lepidoptera, with a focus on the eyespots of saturniid moths. Tropical Lepidoptera Research 30(1):4-19.

St Laurent, R.A., D. Herbin, and A.Y. Kawahara. 2020. Revision of Roelofa Schaus, 1928 (Lepidoptera, Mimallonidae, Roelofinae) with a description of a new species. Zootaxa 4877(3):505-538. DOI:http://dx.doi.org/10.11646/zootaxa.4877.3.6.

St Laurent, R.A., C.G.C. Mielke, D. Herbin, K.M. Dexter, and A.Y. Kawahara. 2020. A new target capture phylogeny elucidates the systematics evolution of wing coupling in Sack-bearer moths. Systematic Entomology 45(3):653-669. DOI:10.1111/syen.12421.

St Laurent, R.A., L. Reeves, and A.Y. Kawahara. 2020. Cicinnus chambersi: A new species of Sack-bearer moth from southeastern Arizona, USA. Zookeys 931:49-71.

Steele Cabrera, S.R., J.E. Hayden, J.C. Daniels, J.M. Farnum, C.V. Covell Jr., and M.J. Standridge. 2020. Legume-feeding Lepidoptera of the Florida Keys: Potential competitors of an endangered Lycaenid butterfly. Florida Entomologist 103(3):360-368. DOI:10.1653/024.103.0308.

Toussaint, E.F.A., E.A. Ellis, R.J. Gott, A.D. Warren, K.M. Dexter, C.G. Storer, D.J. Lohman, and A.Y. Kawahara. 2020. Historical biogeography of Heteropterinae skippers via Beringian and post-Tethyan corridors. Zoologica Scripta 50:100-111. DOI:10.1111/zsc.12457.

Toussaint, E.F.A., H. Chiba, M. Yago, K.M. Dexter, A.D. Warren, C.G. Storer, D.J. Lohman, and A.Y. Kawahara. 2020. Afrotropics on the wing: Phylogenomics and historical biogeography of awl and policeman skippers. Systematic Entomology 46:172-185. DOI:10.1111/syen.12455.

Warren, A.D., R.J. Gott, O. Dorado, and L. Legal. 2020. A new species of Dalla Mabille, 1904, from Morelos, Mexico (Lepidoptera: Hesperiidae: Heteropterinae). Tropical Lepidoptera Research 30(1):46-51.

Willmott, K.R., G. Lamas, J.P.W. Hall, L.L. Mota, and T. Kell. 2020. The common, the rare, and the lost: Descriptions of twelve new species and three new subspecies of equatorial Ithomiini (Lepidoptera, Nymphalidae, Danainae). Tropical Lepidoptera Research 30(Supplement 1):1-49. DOI:https://doi.org/10.5281/zenodo.3990662.

Zacca, T., M.M. Casagrande, O.H.H. Mielke, B. Huertas, E. Barbosa, A.V.L. Freitas, and K.R. Willmott. 2020. Description of Emeryus gen. nov. to accommodate three species formerly placed in Paryphthimoides Forster, 1964 (Lepidoptera: Nymphalidae, Satyrinae). Austral Entomology 59:505-523. DOI:https://doi.org/10.1111/aen.12479.

Zacca, T., M.M. Casagrande, O.H.H. Mielke, B. Huertas, M. Espeland, A.V.L. Freitas, K.R. Willmott, S. Nakahara, and G. Lamas. 2020. Revalidation of Vareuptychia Forster, 1964, description of Vanima, gen. nov., and notes on Euptychia cleophes Godman & Salvin, 1889 (Lepidoptera: Nymphalidae: Satyrinae). Zootaxa 4858(1):1-34. DOI:https://doi.org/10.11646/zootaxa.4858.1.1.

Zacca, T., M.M. Casagrande, O.H.H. Mielke, B. Huertas, E.P. Barbosa, A.V.L. Freitas, G. Lamas, M. Espeland, C. Brévignon, S. Nakahara, M.F. Checa, and K.R. Willmott. 2020. Systematics of the Neotropical butterfly genus Paryphthimoides Forster, 1964 (Lepidoptera: Nymphalida: Satyrinae), with descriptions of seven new taxa. Insect Systematics and Evolution Online Only. DOI:10.1163/1876312X-00001027.