Apinae Geotrigona

Cytogenetic data

TribeSpeciesSample localCountry(ies)Haploid(n)Diploid(2n)KaryotypeNotesGenome size (pg)Classic cytogenetic dataMolecular cytogenetic dataReferences
MeliponiniGeotrigona mombucaRibeirão Preto, São PauloBrazil15k= 2metacentric + 6acrocentric + 7pseudo-acrocentricC-bandingRocha et al. 2003a  
MeliponiniGeotrigona subterraneaPassos, Lontra, Minas GeraisBrazil34k= 14metacentric + 10submetacentric + 10subtelocentric0.83GiemsaFISH (ribosomal, microsatellites, satellite probes)Cunha et al. 2021  Cunha et al. 2024  Vignati et al. 2025  

Chromosome classification: Levan et al. (1964): metacentric (m), submetacentric (sm), subtelocentric (st), or acrocentric (a). Imai (1991): metacentric (M) or acrocentric (A), with a variety of forms depending on the position of the heterochromatin on the karyotype.

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Histogram

Bibliography

Vignati, Z.B.M., Teixeira, G.A., Cunha, M.S., Pereira, J.A., Lopes, D.M. Cytogenomics of Frieseomelitta varia (Hymenoptera: Apidae) and the sharing of a satellite DNA family in several Neotropical Meliponini genera. Genes, 16 : pp 86. 2025. DOI: [10.3390/genes16010086 https://doi.org/10.3390/genes16010086]

Cunha, M.S., Garcia, M.V.B., Campos, L.A.O., Lopes, D.M. Cytotaxonomy and karyotype evolution in Neotropical Meliponini (Hymenoptera: Apidae) inferred by chromosomal mapping of 18S rDNA and five microsatellites. Journal of Apicultural Research, 63 : pp 208-218. 2024. DOI: [10.1080/00218839.2023.2179228 https://doi.org/10.1080/00218839.2023.2179228]

Rocha, M.P., Pompolo, S.G., Campos, L.A.O. Citogenética da tribo Meliponini (Hymenoptera, Apidae). UNESC, Criciúma, : pp 311-320. 2003a

Cunha, M.S., Soares, F.A.F., Clarindo, W.R., Campos, L.A.O., Lopes, D.M. Robertsonian rearrangements in Neotropical Meliponini karyotype evolution (Hymenoptera: Apidae: Meliponini). Insect Molecular Biology, 30 : pp 379-389. 2021. DOI: [10.1111/imb.12702 https://doi.org/10.1111/imb.12702]