James Mallet

Professor of Organismic and Evolutionary Biology in Residence
Associate of the Museum of Comparative Zoology
James Mallet with short grey hair, wearing white shirt and dark jacket, with grass and brick building behind him
Biological Laboratories16 Divinity AvenueCambridge, MA 02138
617-496-5350
jmallet@oeb.harvard.edu
Mallet Group

Faculty Support: Tracy Barbaro

We study evolution, hybridization, and speciation - mainly in butterflies. Methods range from collecting trips in dugouts, field experiments in the Amazon rainforest, population genetic inferences about selection and gene flow, and genomics. (Image courtesy of Tony Rinaldo)

Recent Publications

Xiong, T., & Mallet, J. (2022). On the impermanence of species: the collapse of genetic incompatibilities in hybridizing populations. Evolution, 76 (11), 2498-2512.

Mallet, J., & Mullen, S. P. (2022). Reproductive isolation is a heuristic, not a measure: a commentary on Westram et al., 2022. Journal of Evolutionary Biology, 35 (9), 1175-1182.

Rosser, N., Seixas, F., & Mallet, J. (2022). Sympatric speciation by allochrony? Molecular Ecology, 31, 3975-3978. 

Mallet, J. (2022). The making of a moth man (book review of: Grant, Bruce S. 2021. Observing Evolution). Evolution, 76 (6), 1362-1365. 

Xiong, T., Li, X., Yago, M., & Mallet, J. (2022). Admixture of evolutionary rates across a butterfly hybrid zone. eLife, 11, e78135.

Rosser, N., Edelman, N. B., Queste, L. M., Nelson, M., Seixas, F., Dasmahapatra, K. K., & Mallet, J. (2022). Complex basis of hybrid female sterility and Haldane’s rule in Heliconius butterflies: Z-linkage and epistasis. Molecular Ecology, 31, 959-977.

Thawornwattana, Y., Seixas, F. A., Yang, Z., & Mallet, J. (2022). Full-likelihood genomic analysis clarifies a complex history of species divergence and introgression: the example of the erato-sara group of Heliconius butterflies. Systematic Biology, 71 (5), 1159-1177