Publications

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37.  KELLEHER, L. A., & RAMALHO, M. O. Impact of Species and Developmental Stage on the Bacterial Communities of Aphaenogaster Ants. Current Microbiology, 82(4), 157. 2025. DOI:  https://doi.org/10.1007/s00284-025-04128-x 

36. MEIRELES, S. F.*; RAMALHO, M. O.; MONTENEGRO, H.; NETO, J. F. N.; DA SILVA, J. S.; ROQUE, R. A.; RAFAEL, M. S. Do the microbiota of larval breeding site and the blood meal influence the composition and diversity of bacterial communities in the midgut of Mansonia humeralis (Diptera: Culicidae) from the western Amazon? Brazilian Journal of Microbiology, 2025. DOI: https://doi.org/10.1007/s42770-025-01623-y

35. BOROWIEC M.L.; ZHANG, M.Y.; NEVES, K.; RAMALHO, M. O.; FISHER, B. L.; LUCKY, A.; MOREAU, C. S. Evaluating UCE Data Adequacy and Integrating Uncertainty in a Comprehensive Phylogeny of Ants, Systematic Biology, 2025, syaf001, https://doi.org/10.1093/sysbio/syaf001

34. REESE, C.*; GRABER, L. C.; RAMALHO, M. O.; MOREAU, C. S. The Diversity of Wolbachia across the Turtle Ants (Formicidae: Cephalotes spp.).  Biology, 2024, 13, no. 2: 121. DOI: https://doi.org/10.3390/biology13020121  

33.  ALVES, J.M.C.*; NAGATANI, V.H. *; RAMALHO, M. O.; SILVA, O.G.M.; FOX, E.G.P.; HARAKAVA, R.; HILSDORF, A.W.S.; MORINI, M.S.C. Hitting the Road: Haplotype diversity of Brazilian fire ant nesting on disturbed habitats by the Atlantic Forest. Neotropical Entomology, 2023. DOI: https://link.springer.com/article/10.1007/s13744-023-01048-y

32.  WEBB, J. L. *; GRABER, L. C.; RAMALHO, M.O.; MOREAU, C. S. Investigating the Diversity of Wolbachia across the Spiny Ants (Polyrhachis). Diversity, 2023, 15(3):348. DOI: https://doi.org/10.3390/d15030348

31. RAMALHO, M.O.; NAGATANI, V.H.; ALVES, J.M.C.; SILVA, O.G.M.; FOX, E.G.P.; SOUZA, R.F.; KAYANO, D.Y.; HARAKAVA, R.; HILSDORF, A.W.S.; MORINI, M.S.C  The Facet of Human Impact: Solenopsis invicta Buren, 1972 Spreading around the Atlantic Forest. Diversity, 2023, 15, 194. DOI: https://doi.org/10.3390/d15020194 

30. RAMALHO, M.O.;  MOREAU, C.S. Untangling the complex interactions between turtle ants and their microbial partners. Anim Microbiome, 2023. DOI: https://doi.org/10.1186/s42523-022-00223-7

29. WANG, S.; RAMALHO, M.O. Co-diversification of Camponotus and its primary endosymbiont Blochmannia in the USA. Cornell Undergraduate Research Journal, 2022.  https://journals.library.cornell.edu/index.php/CURJ/article/view/679

28. GRABER, L. C.; RAMALHO, M.O.; POWELL, S.; MOREAU, C. S.  Identifying the role of elevation, geography, and species identity in structuring turtle ant (Cephalotes Latreille, 1802) bacterial communities. Microbial Ecology, 2022. DOI: https://doi.org/10.1007/s00248-022-02128-z 

27. NAGATANI, V. H.; RAMALHO, M.O.; ALVES, J.; SOUZA, R.; KAYANO, D.; SAMPAIO, N.; SILVA , O.; HARAKAVA, R.; BUENO, O. C.; HILSDORF, A.; MORINI, M. S. C.  Impact of native vegetation cover near crops on the occurrence and molecular diversity of fire ants.  Agricultural and Forest Entomology, 2022. DOI: https://doi.org/10.1111/afe.12545

26. OLIVEIRA, A. A.; RAMALHO, M.O.; MOREAU, C. S.; CAMPOS, A. E. C.; HARAKAVA, R.; BUENO, O. C. Exploring the diversity and potential interactions of bacterial and fungal endophytes associated with different cultivars of olive (Olea europaea) in Brazil. Microbiological Research, 2022. DOI:  https://doi.org/10.1016/j.micres.2022.127128 

25. RAMALHO, M. O.; DECIO, P. ALBUQUERQUE, E. Z.; ESTEVES, F.  Quem pega seu filho na escola quando você está em campo? A parentalidade na mirmecologia. Anais do III Simpósio Brasileiro sobre Maternidade e Ciência, 2022. DOI: https://doi.org/10.54265/DYIS8270 

24. RAMALHO, M.O.; MENINO, L.; SOUZA, R. S.; KAYANO, D. Y.; ALVES, J. M. C.; HARAKAVA, R.; NATAGANI, V. H.; SILVA, O. G. M.; BUENO, O. C.; MORINI, M. S. C.  Fire ants: What do rural and urban areas show us about occurrence, diversity, and ancestral state reconstruction? Genetics and Molecular Biology, 2022. DOI: https://doi.org/10.1590/1678-4685-GMB-2021-0120 

23. MARTINS, C.; RAMALHO, M.O.; SILVA, L.M.R.; SOUZA, R.F.; BUENO, O.C. New Strains of Wolbachia Unveiling the Complexity of This Symbiotic Interaction in Solenopsis (Hymenoptera: Formicidae). Microbiology Research, 2021. DOI: https://doi.org/10.3390/microbiolres12030040

22. MACHADO, L.M.; DA SILVA, T.N.; POLEZEL, D.R.; OLIVEIRA, A.A.; RAMALHO, M.O.; PAGNOCCA, F.C.; BUENO, O.C. Attractivity or repellence: relation between the endophytic fungi of Acalypha, Colocasia and the leaf-cutting ants- Atta sexdens. Advances in Entomology, 2021. DOI:10.4236/ae.2021.92008

21. RAMALHO, M.O.; KIM, Z.; WANG, S.; MOREAU, C.S. Wolbachia across social insects: Patterns and implications. Annals of the Entomological Society of America, 2021. DOI: https://doi.org/10.1093/aesa/saaa053

20. RAMALHO, M.O.; MOREAU, C.S. The Evolution and Biogeography of Wolbachia in Ants (Hymenoptera: Formicidae). Diversity, 2020, 12, 426. DOI: https://doi.org/10.3390/d12110426

19. CARUZO, M.B.R.; RAMALHO, M.O.; PHILIPP, J.; BRAGAGNOLO, C. Maternity, science and pandemic: an urgent call for action! Hoehnea, 2020, 47: e812020. DOI: https://doi.org/10.1590/2236-8906-81/2020

18. RAMALHO, M.O.; MARTINS, C.; MORINI, M. S. C.;  BUENO, O. C.  What Can the Bacterial Community of Atta sexdens (Linnaeus, 1758) Tell Us about the Habitats in Which This Ant Species Evolves?. Insects, 2020, 11(6), 332. DOI: https://doi.org/10.3390/insects11060332

17. RAMALHO, M. O.; DUPLAIS, C.; ORIVEL, J.; DEJEAN, A.; GIBSON, J. C.; SUAREZ, A. V.;  MOREAU, S. C. Development but not diet alters microbial communities in the Neotropical arboreal trap jaw ant Daceton armigerum: an exploratory study. Scientific Reports, 2020. DOI: https://doi.org/10.1038/s41598-020-64393-7

16. RAMALHO, M. O.; MARTINS, C.; MOREAU, S. C. Myrmecology: Majority of females only within the colony. Boletim do Museu Paraense Emílio Goeldi – Ciências Naturais. 2020.  DOI: https://doi.org/10.46357/bcnaturais.v15i1.241

15. RAMALHO, M. O.; DECIO, P. ALBUQUERQUE, E. Z.; ESTEVES, F. Parenting in the myrmecology field: career challenges in the 21st century. Boletim do Museu Paraense Emílio Goeldi – Ciências Naturais. 2020. DOI: https://doi.org/10.46357/bcnaturais.v15i1.255

14. DORIGO, A. S.*; ANJOS, A.*; MARCATO, A.C.C.*; PIRES-SILVA, D.*; Gonçalves, L. R.*;  ANHOLETO, L. A.*; CHOLAK, L. R.*; RAMALHO, M. O.*; BORBA, R. S.*; ORTELANI, M. P.; CABRAL-DE-MELO, D. C.  Projeto Primeiros Passos na Ciência: Rompendo barreiras sociais e estreitando laços entre a comunidade acadêmica e o Ensino Médio público. Revista Brasileira de Extensão Universitária, 2020, 11(1), 47-59. DOI: https://periodicos. uffs.edu.br/index.php /RBEU/article/ view/10768/pdf (* shared first authorship)

13. REEVES, D.; PRICE, S. L.; RAMALHO, M. O.; MOREAU, C. S. The diversity and distribution of Wolbachia, Rhizobiales, and Ophiocordyceps within the widespread Neotropical turtle ant, Cephalotes atratus (Hymenoptera: Formicidae). Neotropical Entomology, 2020, DOI: https://link.springer.com/article/10.1007%2Fs13744-019-00735-z

12. RAMALHO, M. O.; MOREAU, C. S.; BUENO, O. C. The Potential Role of Environment in Structuring the Microbiota of Camponotus across Parts of the Body. Advances in Entomology, 2019, 7, 47-70. DOI: https://doi.org/10.4236/ae.2019.73005

11. KELLY, M.; PRICE, S. L.; RAMALHO, M. O.; MOREAU, C. S. Diversity, evolutionary history, and specificity of Wolbachia associated with the giant turtle ant, Cephalotes atratus. Current Microbiology, 2019 DOI: https://doi.org/10.1007/s00284-019-01722-8.

10. SILVA, L. M. R.; RAMALHO, M. O.; MARTINS, C.; MARTINS, V. G.; BUENO, O. C. Diversity of Wasmannia auropunctata (Hymenoptera: Formicidae) and the utility of mitochondrial intergenic spacer and leucine tRNA for its identification. RCA. REVISTA DE CIÊNCIAS AMBIENTAIS (UNILASALLE), 2018. DOI: https://revistas.unilasalle.edu.br/index.php/Rbca/article/view/4048/pdf

9. RAMALHO, M. O.; VIEIRA, A. S.; PEREIRA, M. C.; MOREAU, C. S.; BUENO, O. C. Transovarian transmission of Blochmannia and Wolbachia endosymbionts in the neotropical weaver ant Camponotus textor (Hymenoptera, Formicidae). Current Microbiology, V. 1, P. 1-8, 2018. DOI: https://link.springer.com/content/pdf/10.1007/s00284-018-1459-3.pdf

8. RAMALHO, M. O.; MARTINS, C.; SILVA, L. M. R. ; MARTINS, V. G. ; BUENO, O. C. Intracellular Symbiotic Bacteria of Camponotus textor, Forel (Hymenoptera, Formicidae). Current Microbiology (Print), v. 1, p. 1-9, 2017. DOI: https://link.springer.com/article/10.1007/s00284-017-1201-6

7. RAMALHO, M. O.; BUENO, O. C.; MOREAU, C. S. Microbial composition of spiny ants (Hymenoptera: Formicidae: Polyrhachis) across their geographic range. BMC Evolutionary Biology (Online), v. 17, p. 1-15, 2017. DOI: https://bmcevolbiol.biomedcentral.com/articles/10.1186/s12862-017-0945-8

6. RAMALHO, M. O.; MARTINS, C.; CAMPOS, T.; NONDILLO, A.; BOTTON, M ; BUENO, O. C. Occurrence of 15 Haplotypes of Linepithema micans (Hymenoptera: Formicidae) in Southern Brazil. Journal of Economic Entomology, v. x, p. 1-6, 2017. DOI: https://academic.oup.com/jee/article/110/4/1841/3852640

5. RAMALHO, M. O.; BUENO, O. C.; MOREAU, C. S. Species-specific signatures of the microbiome from Camponotus and Colobopsis ants across developmental stages. PLoS One, v. 12, p. e0187461, 2017. DOI:  https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0187461&type=printable

4. VIEIRA, A. S.; RAMALHO, M. O.; MARTINS, C.; MARTINS, V. G.; BUENO, O. C. Microbial Communities in Different Tissues of Atta sexdens rubropilosa Leaf-cutting Ants. Current Microbiology, v. 1, p. 1-10, 2017.  DOI: https://link.springer.com/article/10.1007/s00284-017-1307-x

3. RAMALHO, M. O.; MARTINS, C. ; SILVA, L. M. R. ; MARTINS, V. G. ; BUENO, O. C. Molecular Profile of the Brazilian Weaver Ant Camponotus textor Forel (Hymenoptera, Formicidae). Neotropical Entomology, v. x, p. 1-8, 2016. DOI: https://link.springer.com/article/10.1007/s13744-016-0392-z

2. RAMALHO, M. O.; SANTOS, R. M. ; FERNANDES, T. T. ; MORINI, MSC ; BUENO, O.C. Cytochrome C Oxidase I DNA sequence of Camponotus ants with different nesting strategies is a tool for distinguishing between morphologically similar species. Genetica (‘s-Gravenhage), p. 1-9, 2016. DOI: https://link.springer.com/article/10.1007/s10709-016-9906-1

1. RAMALHO, M. O.; ARAUJO, D.; SCHNEIDER, M. C.; BRESCOVIT, A. D.; CELLA, D. M.        Mesabolivar Braziliensis (Moenkhaus) and Mesabolivar cyaneotaeniatus (Keyserling)      (Araneomorphae, Pholcidae): close relationship reinforced by cytogenetic analyses. The     Journal of Arachnology, v. 36, p. 453-456, 2008.  DOI: https://doi.org/10.1636/CSh07-132.1