Publications

* Graduate student

** Undergraduate student

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Powers KE, Sadler WW, Carter-Martin AJ, Smith GC, Tieskotter GW, Wheeler KE, Close MT, O’Brien S, Klimov PB, Sweet AD, Smith SA, Lau JK. 2025. Investigating the demography and parasites of spring-migrating cedar waxwings (Bombycilla cedrorum) in Virginia after a single-day mortality event. Virginia Journal of Science. 76(1). https://doi.org/10.25778/G4Y5-3P93.

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Ten S, Pool R, Raga JA, Sweet AD, Aznar FJ. 2025. Phylogeography of Pennella (Copepoda: Siphonostomatoida: Pennellidae) indicates interoceanic dispersal mediated by cetacean and fish hosts. Parasitology. 152(2): 195-204. https://doi.org/10.1017/S0031182025000101.

 

Worm AJ*, Donahue ER, Boves TJ, Sweet AD. 2025. Repeated successful nest sharing and cooperation between Western Kingbirds (Tyrannus verticalis) and a Female Western Kingbird x Scissor-tailed flycatcher (T. forficatus) hybrid. Ecology and Evolution. 15(1): e70818. https://doi.org/10.1002/ece3.70818.

 

Najer T, Doña J, Buček A, Sweet AD, Sychra O, Johnson K. 2025. Phylogenomics reveals the timescale of diversification in Amblycera. Systematic Entomology. 50(3): 540-553. https://doi.org/10.1111/syen.12668.

 

Sharrow TS, King BG, Sweet AD, McKay T. 2024. New state record of Phytomyza ditmani Kulp (Diptera: Agromyzidae) in Arkansas. Southeastern Naturalist. 23(3): N50-N53. https://doi.org/10.1656/058.023.0315.

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Sweet AD, Doña J, Johnson KP. 2025. Biogeographic history of pigeons and doves drives the origin and diversification of their parasitic body lice. Systematic Biology. 74(2): 198-214. https://doi.org/10.1093/sysbio/syae038.

 

Ghosh A, Tyagi K, Dubey AK, Sweet AD, Singha D, Goswami P, Kumar V. 2024. Purifying selection drove the adaptation of mitochondrial genes along with correlation of gene rearrangements and evolutionary rates in two subfamilies of Whitefly (Insecta: Hemiptera). Functional & Integrative Genomics. 24:121. https://doi.org/10.1007/s10142-024-01400-4.

 

Najer T, Doña J, Buček A, Sweet AD, Sychra O, Johnson KP. 2024. Mitochondrial genome fragmentation is correlated with increased rates of molecular evolution. PLOS Genetics. 20(5): e1011266. https://doi.org/10.1371/journal.pgen.1011266.

 

Schroeder JL**, Worm AJ*, Sweet AD, Rolland VR. 2024. Genomic data reveal unexpected relatedness between a brown female Eastern Bluebird and her brood. Ecology and Evolution. 14(1): e10851. https://doi.org/10.1002/ece3.10851.

 

Starkie ML., Cameron SL, Krosch MN, Sweet AD, Clarke AR. 2024. Biogeographic influences on the evolution and historical dispersal of the Australo-Pacific Dacini fruit flies (Tephritidae: Dacinae). Zoologica Scripta. 53(1): 87-97. https://doi.org/10.1111/zsc.12631.

 

Matthews AE, Boves TJ, Sweet AD, Ames EM, Bulluck LP, Johnson EI, Johnson M, Lipshutz SE, Percy KL, Raybuck DW, Schelsky WM, Tonra CM, Viverette CB, Wijeratne AJ. 2023. Novel insights into symbiont population structure: globe-trotting avian feather mites contradict the specialist-generalist variation hypothesis. Molecular Ecology. 32(19): 5260-5275. https://doi.org/10.1111/mec.17115.

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Brewer PJ**, Sweet AD 2023. Prevalence and diversity of parasitic lice (Insecta: Psocodea) in northeast Arkansas. International Journal for Parasitology: Parasites and Wildlife. 22: 205-215. https://doi.org/10.1016/j.ijppaw.2023.06.007

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Matthews AE, Wijeratne AJ, Sweet AD, Hernandes FA, Toews DPL, Boves TJ. 2023. Dispersal-limited symbionts exhibit unexpectedly wide variation in host specificity. Systematic Biology. 72(4): 802-819. htpps://doi.org/10.1093/sysbio/syad014.

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Sweet AD, Browne DR, Hernandez AG, Johnson KP, Cameron SL. 2023. Draft genome assemblies of the avian louse Brueelia nebulosa and its associates using long-read sequencing from an individual specimen. G3 Genes|Genomes|Genetics. 13(4): jkad030.  https://doi.org/10.1093/g3journal/jkad030

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Sweet AD, Stanford-Beale DAC. 2022. Thrips (Insecta: Thysanoptera) associated with two species of live birds (Cardinalis cardinalis and Zenaida macroura) in northeast Arkansas. Southeastern Naturalist. 21: N37-N42. https://doi.org/10.1656/058.021.0305

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Sweet AD, Johnson KP, Cameron SL. 2022. Independent evolution of highly variable, fragmented mitogenomes of parasitic lice. Communications Biology. 5: 677. https://doi.org/10.1038/s42003-022-03625-0

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Virrueta Herrera S, Johnson KP, Sweet AD, Ylinen E, Kunnasranta M, Nyman T. 2022. High levels of inbreeding with spatial and host-associated structure in lice of an endangered freshwater seal. Molecular Ecology. 31: 4593-4606. https://doi.org/10.1111/mec.16569.

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Starkie ML, Cameron SL, Krosch MN, Phillips MJ, Royer JE, Schutze MK, Strutt F, Sweet AD, Zalucki MP, Clarke AR. 2022. A dated phylogeny of the Australian Dacini fruit flies (Diperta: Tephritidae). Molecular Phylogenetics and Evolution. 172: 107481. https://doi.org/10.1016/j.ympev.2022.107481.

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Boyd BM, Nguyen N-P, Allen JM, Waterhouse R, Vo KB, Sweet AD, Clayton DH, Bush SE, Shapiro MD, Johnson KP. 2022. Long-distance dispersal of pigeons and doves generated new ecological opportunities for host-switching and adaptive radiation by their parasites. Proceedings of the Royal Society B. 289: 20220042. https://doi.org/10.1098/rspb.2022.0042.

 

Smith AD, Kamiński MJ, Kanda K, Sweet AD, Betancourt JL, Holmgren CA, Hempel E, Alberti F, Hofreiter M. 2021. Recovery and analysis of ancient insect DNA from subfossil packrat middens using high-throughput sequencing. Scientific Reports. 11:12635. https://doi.org/10.1038/s41598-021-91896-8.

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Sweet AD, Johnson KP, Cao Y, de Moya RS, Skinner RK, Tan M, Virrueta-Herrera S, Cameron SL. 2021. Structure, gene order, and nucleotide composition of mitochondrial genomes in parasitic lice from Amblycera. Gene. 768: 145312. https://doi.org/10.1016/j.gene.2020.145312.

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de Moya RS, Yoshizawa K, Walden KKO, Sweet AD, Dietrich CH, Johnson KP. 2021. Phylogenomics of parasitic and non-parasitic lice (Insecta: Psocodea): exploring compositional bias in Next Generation datasets. Systematic Biology. 70: 719-738. https://doi.org/10.1093/sysbio/syaa075.

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Najer T, Papousek I, Sychra O, Sweet AD, Johnson KP. 2021. Combining nuclear and mitochondrial loci provides phylogenetic information in the Philopterus complex of lice. Journal of Medical Entomology. 58: 252-260. https://doi.org/10.1093/jme/tjaa166.

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Doña J, Sweet AD, Johnson KP. 2020. Comparing rates of introgression in parasitic feather lice with differing dispersal capabilities. Communications Biology. 3: 610. https://doi.org/10.1038/s42003-020-01345-x.

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Sweet AD, Wilson RE, Sonsthagen SA, Johnson KP. 2020. Lousy grouse: comparing evolutionary patterns in Alaska galliform lice to understand host evolution and host-parasite interactions. Ecology and Evolution. 10(15): 8379-8393. https://doi.org/10.1002/ece3.6545.

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Sweet AD, Johnson KP, Cameron SL. 2020. Mitochondrial genomes of Columbicola feather lice are highly fragmented, indicating repeated evolution of minicircle-type genomes in parasitic lice. PeerJ. 8: e8759. https://doi.org/10.7717/peerj.8759.

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Virrueta-Herrera S, Sweet AD, Allen JM, Walden KKO, Weckstein JD, Johnson KP. 2020. Extensive in situ radiation of feather lice on tinamous. Proceedings of the Royal Society B. 287: 20193005. http://dx.doi.org/10.1098/rspb.2019.3005.

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Tyagi K, Chakraborty R, Cameron SL, Sweet AD, Chandra K, Kumar V. 2020. So few thrips, so many mitochondrial genome rearrangements: Expanded sampling reveals extensive genomic evolution within Thysanoptera. Scientific Reports. 10: 695. https://doi.org/10.1038/s41598-020-57705-4.

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Skinner RK, Dietrich CH, Walden KKO, Gordon E, Sweet AD, Podsiadlowski L, Petersen M, Simon C, Takiya DM, Johnson KP. 2019. Phylogenomics of Auchenorrhynca (Insecta: Hemiptera) using transcriptomes. Systematic Entomology. 45(1): 85-113. https://doi.org/10.1111/syen.12381.

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de Moya RS, Allen JM, Sweet AD, Walden KKO, Palma RL, Smith VS, Cameron SL, Valim MP, Galloway TD, Weckstein JD, Johnson KP. 2019. Extensive host-switching of avian lice following the Cretaceous-Paleogene mass extinction. Communications Biology. 2: 445. https://doi.org/10.1038/s42003-019-0689-7.

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de Moya RS, Weirauch C., Sweet AD, Skinner R, Walden KKO, Swanson DR, Dietrich C, Johnson KP. 2019. Deep instability in the phylogenetic backbone of Heteroptera is only partly overcome by transcriptome-based phylogenomics. Insect Systematics and Diversity. 3: 7. https://doi.org/10.1093/isd/ixz020.

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de Moya RS, Brown JK, Sweet AD, Walden KKO, Paredes-Montero JR, Waterhouse RM, Johnson KP. 2019. Nuclear orthologs derived from whole genome sequencing indicate cryptic diversity in the Bemisia tabaci (Insecta: Aleyrodidae) complex of whiteflies. Diversity. 11: 151. https://doi.org/10.3390/d11090151.

 

Nowak JE**†, Sweet AD†, Weckstein JD, Johnson KP. 2019. A molecular phylogenetic analysis of the genera of fruit doves and allies using dense taxonomic sampling. Illinois Natural History Survey Bulletin. 42: 2019001.
       † Contributed equally to the work

 

Leonardi MS, Virrueta Herrera S, Sweet AD, Negrete J, Johnson KP. 2019. Phylogenomics and population genomics of seal lice. Systematic Entomology. 44(4): 699-708. https://doi.org/10.1111/syen.12350.

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Catanach TA†, Sweet AD†, Nguyen ND, Peery RM, Debevec AH, Thomer AK, Owings AC, Boyd BM, Katz AD, Soto-Adames FN, Allen JM. 2019. Fully automated sequence alignment methods are comparable to, and much faster than, traditional methods in large data sets: an example with hepatitis B virus. PeerJ. 7:e6142. https://doi.org/10.7717/peerj.6142.

† Contributed equally to the work

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Sweet AD, Johnson KP. 2018. The role of parasite dispersal in shaping a host-parasite system at multiple evolutionary scales. Molecular Ecology. 27: 5104-5119. http://dx.doi.org/10.1111/mec.14937.

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Johnson KP, Nguyen N, Sweet AD, Boyd BM, Warnow T, Allen JM. 2018. Simultaneous radiation of bird and mammal lice following the K-Pg boundary. Biology Letters. 14(5). https://doi.org/10.1098/rsbl.2018.0141. 

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Soto J, Londono G, Johnson KP, Weckstein JD, Avendano JE, Jankowski J, Catanach TA, Sweet AD, Allen JM. 2018. Composition and distribution of lice (Insecta: Phthiraptera) on Colombian and Peruvian birds: New data on host-louse association in the Neotropics. Biodiversity Data Journal. 6: e21635. https://doi.org/10.3897/BDJ.6.e21635.

Sangster G, Sweet AD, Johnson KP. 2018. Paraclaravis, a new genus for the Purple-winged and Maroon-chested Ground-doves (Aves: Columbidae). Zootaxa. 4461(1): 134-140. http://dx.doi.org/10.11646/zootaxa.4461.1.10.

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Sweet AD, Bush SE, Gustafsson DR, Allen JM, DiBlasi E, Skeen HR, Weckstein JD, Johnson KP. 2018. Host and parasite morphology influence congruence between host and parasite phylogenies. International Journal for Parasitology. 48: 641-648. doi.org/10.1016/j.ijpara.2018.01.007.

 

​Sweet AD, Boyd BM, Allen JM, Villa SM, Valim MP, Rivera-Parra JL, Wilson RE, Johnson KP. 2018. Integrating phylogenomic and population genomic patterns in avian lice provides a more complete picture of parasite evolution. Evolution. 72(1): 95-112. doi.org/10.1111/evo.13386/full.

 

Yoshizawa K, Johnson KP, Sweet AD, Yao I, Ferreira RL, Cameron SL. Mitochondrial phylogenomics and genome rearrangements in the barklice (Insecta: Psocodea). 2017. Molecular Phylogenetics and Evolution. 119: 118-127. doi.org/10.1016/j.ympev.2017.10.014.

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Doña J, Sweet AD, Johnson KP, Serrano D, Mironov S, Jovani R. 2017. Cophylogenetic analyses reveal extensive host-shift speciation in a highly specialized and host-specific symbiont system. Molecular Phylogenetics and Evolution. 115: 190-196. doi.org/10.1016/j.ympev.2017.08.005.
 
Sweet AD, Chesser RT, Johnson KP. 2017. Comparative cophylogenetics of Australian phabine pigeons and doves (Aves: Columbidae) and their feather lice (Insecta: Phthiraptera). International Journal for Parasitology. 47: 347-356. doi.org/10.1016/j.ijpara.2016.12.003.
 
Boyd BM, Allen JM, Nguyen N, Sweet AD, Warnow T, Shapiro MD, Villa SM, Bush SE, Clayton DH, Johnson KP. Phylogenomics using target-restricted assembly resolves intra-generic relationships of parasitic lice (Phthiraptera: Columbicola). Systematic Biology. doi.org/10.1093/sysbio/syx027.
 
Sweet AD, Maddox JD, Johnson KP. 2017. A complete molecular phylogeny of Claravis confirms its paraphyly within small New World ground-doves (Aves: Peristerinae) and implies multiple plumage state transitions. Journal of Avian Biology. 48: 459-464. doi.org/10.1111/jav.01077.
 
Sweet AD, Johnson KP. 2016. Cophylogenetic analysis of New World ground-doves (Aves: Columbidae) and their parasitic wing lice (Insecta: Phthiraptera: Columbicola). Molecular Phylogenetics and Evolution. 103: 122-132. doi.org/10.1016/j.ympev.2016.07.018.
 
Boyd BM, Allen JM, Koga R, Fukatsu T, Sweet AD, Johnson KP, Reed DL.. 2016. Two bacteria, Sodalis and Rickettsia, associated with the seal louse Proechinophthirus fluctus (Phthiraptera: Anoplura). Applied and Environmental Microbiology. 82(11): 3185-3197. doi.org/10.1128/AEM.00282-16.
 
Sweet AD, Boyd BM, Johnson KP. 2016. Cophylogenetic patterns are uncorrelated between two lineages of parasites on the same hosts. Biological Journal of the Linnean Society. 118(4): 813-828. doi.org/10.1111/bij.12771.
 
Escalante GC**, Sweet AD, McCracken KG, Gustaffson D, Wilson R, Johnson KP. 2016. Patterns of cryptic host specificity in duck lice based on molecular data. Medical and Veterinary Entomology. 30(2): 200-208. doi.org/10.1111/mve.12157.
 
Sweet AD, Johnson KP. 2015. Patterns of diversification in small New World ground doves are consistent with major geologic events. The Auk. 132: 300-312. doi.org/10.1642/AUK-14-193.1.
 
Sweet AD, Allen JM, Johnson KP. 2014. Novel primers from informative nuclear loci for louse molecular phylogenetics (Insecta: Phthiraptera). Journal of Medical Entomology. 51(6): 1122-1126. doi.org/10.1603/ME13218.

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Book Chapters
 

Sweet AD. 2025. Cospeciation. in: Russo C, Wolf J (Eds.), Encyclopedia of Evolutionary Biology, 2nd edition. Academic Press. Oxford, UK.
 

Genome reports

Worm AJ*, Boves TJ, Pirro S, Sweet AD. 2025. The complete genome sequences of 11 species of kingbirds (Tyrannus, Tyrannidae, Passeriformes). Biodiversity Genomes. 2025:10.56179/001c.12593. https://doi.org/10.56179/001c.129593

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Sweet AD, Wilson R, Reakoff J, Sonsthagen S, Hurst C, Pirro S. 2024. The complete genome sequence of Splendidofilaria pectoralis (Onchocercidae, Rhabditida, Chromadorea, Nematoda). Biodiversity Genomes. 2024:10.56179/001c.1267786. https://doi.org/10.56179/001c.126786.