Apinae Melipona
Cytogenetic data
Tribe | Species | Sample local | Country(ies) | Haploid(n) | Diploid(2n) | Karyotype | Notes | Genome size (pg) | Classic cytogenetic data | Molecular cytogenetic data | References |
---|---|---|---|---|---|---|---|---|---|---|---|
Meliponini | Melipona amazonica | Iranduba, Amazonas | Brazil | 18 | 2k= 10metacentric + 6submetacentric + 2subtelocentric | 0.31 | Giemsa | Cunha et al. 2021   | |||
Meliponini | Melipona asilvai | Pedra de Maria da Cruz, Minas Gerais; Santana do Seridó, Rio Grande do Norte | Brazil | 9 | 18 | 2k= 6metacentric + 10submetacentric + 2acrocentric | C-banding, Ag-NOR | DAPI/CMA3; FISH (ribosomal, microsatellites probes) | Rocha and Pompolo 1998  Rocha et al. 2002  Rocha et al. 2007  Travenzoli et al. 2019a  Pereira et al. 2021a   | ||
Meliponini | Melipona asilvai | São João do Sabugi, Paraíba | Brazil | 0.26-0.29 | Tavares et al. 2010b  Tavares et al. 2012   | ||||||
Meliponini | Melipona bicolor | Cunha, São Paulo; Viçosa, Minas Gerais | Brazil | 9 | 18 | 2k= 6metacentric + 8submetacentric + 4acrocentric | 0.25-0.28 | C-banding | DAPI/CMA3; FISH (C0t-1, ribosomal, microsatellites, repetitive probes) | Rocha and Pompolo 1998  Rocha et al. 2002  Tavares et al. 2010b  Tavares et al. 2012  Andrade-Souza et al. 2018  Travenzoli et al. 2019a  Cunha et al. 2020  Pereira et al. 2021a   | |
Meliponini | Melipona capixaba | Venda Nova do Imigrante, Espírito Santo | Brazil | 9 | 18 | high heterochromatin content species | C-banding | DAPI/CMA3 | Rocha and Pompolo 1998  Rocha et al. 2002   | ||
Meliponini | Melipona capixaba | Domingos Martins, Espírito Santo | Brazil | 18 | high heterochromatin content species | 1.38 | FISH (ribosomal, microsatellites probes) | Tavares et al. 2010b  Travenzoli et al. 2019a  Pereira et al. 2021a   | |||
Meliponini | Melipona captiosa | Rio Branco, Acre | Brazil | 9 | 18 | high heterochromatin content species | C-banding | Rocha and Pompolo 1998   | |||
Meliponini | Melipona crinita | Rio Branco, Xapuri, Acre | Brazil | 9 | 18 | high heterochromatin content species | 0.73 | C-banding | DAPI/CMA3; FISH (ribosomal probe) | Rocha et al. 2002  Tavares et al. 2010b  Andrade-Souza et al. 2018   | |
Meliponini | Melipona eburnea | Xapuri, Acre | Brazil | 1.11 | Tavares et al. 2010b   | ||||||
Meliponini | Melipona fasciculata | São Luis, Urbano Santos, Maranhão; Belém, Altamira, Pará | Brazil | 9 | 18 | high heterochromatin content species | as Melipona compressipes in Rochaetal2002 | 0.82-0.84 | C-banding | DAPI/CMA3; FISH (C0t-1, ribosomoal, microsatellites, repetitive probes) | Rocha et al. 2002  Lopes et al. 2011  Tavares et al. 2012  Andrade-Souza et al. 2018  Travenzoli et al. 2019a  Cunha et al. 2020  Pereira et al. 2021a  Cunha et al. 2021  Cunha et al. 2024   |
Meliponini | Melipona fasciculata | Piripiri, Piauí | Brazil | as Melipona compressipes | 0.78 | Tavares et al. 2010b   | |||||
Meliponini | Melipona favosa | Locality not specified | Suriname | 9 | 18 | 2k= 12metacentric + 4submetacentric + 2acrocentric | Suriname (referred as Surinum) | C-banding | Hoshiba 1988  Hoshiba and Imai 1993   | ||
Meliponini | Melipona flavolineata | Urbano Santos, Maranhão; Belém, Pará; Capixaba, Brasiléia, Xapuri, Acre | Brazil | 9 | 18 | high heterochromatin content species | 0.98 | C-banding | DAPI/CMA3; FISH (C0t-1, ribosomal, microsatellites, repetitive probes) | Lopes et al. 2011  Tavares et al. 2012  Andrade-Souza et al. 2018  Travenzoli et al. 2019a  Cunha et al. 2020  Pereira et al. 2021a   | |
Meliponini | Melipona fuliginosa | Urbano Santos, Maranhão | Brazil | 9 | 18 | high heterochromatin content species | C-banding | DAPI/CMA3; FISH (ribosomal, microsatellites probes) | Lopes et al. 2011  Travenzoli et al. 2019a  Pereira et al. 2021a   | ||
Meliponini | Melipona fulva | Presidente Figueiredo, Amazonas | Brazil | 18 | high heterochromatin content species | Giemsa | FISH (C0t-1, ribosomal, microsatellites probes) | Cunha et al. 2020  Cunha et al. 2021  Cunha et al. 2024   | |||
Meliponini | Melipona fuscopilosa | Rio Branco and Xapuri, Acre | Brazil | 9 | 18 | high heterochromatin content species | 1.10 | C-banding | DAPI/CMA3; FISH (ribosomal probe) | Rocha and Pompolo 1998  Rocha et al. 2002  Tavares et al. 2010b  Andrade-Souza et al. 2018   | |
Meliponini | Melipona grandis | Xapuri, Acre | Brazil | 18 | high heterochromatin content species | 0.95 | DAPI/CMA3; FISH (ribosomal probe) | Tavares et al. 2010b  Andrade-Souza et al. 2018   | |||
Meliponini | Melipona interrupta | Manaus, Amazonas | Brazil | 9 | as Melipona compressipes manaosensis | Kerr 1972   | |||||
Meliponini | Melipona interrupta | Iranduba, Itacoatiara, Amazonas | Brazil | 18 | high heterochromatin content species | 0.80 | C-banding | DAPI/CMA3; FISH (C0t-1, ribosomal, microsatellites probes) | Travenzoli et al. 2019b  Cunha et al. 2020  Cunha et al. 2021   | ||
Meliponini | Melipona lateralis | Presidente Figueiredo, Amazonas | Brazil | 11 | 22 | high heterochromatin content species | 0.87 | Giemsa | FISH (C0t-1, ribosomal, microsatellites probes) | Cunha et al. 2020  Cunha et al. 2021  Cunha et al. 2024   | |
Meliponini | Melipona nebulosa | Xapuri, Acre | Brazil | 18 | high heterochromatin content species | DAPI/CMA3; FISH (ribosomal probe) | Andrade-Souza et al. 2018   | ||||
Meliponini | Melipona mandacaia | Irecê, Uauá, Bahia | Brazil | 9 | 18 | 2k= 2metacentric + 14submetacentric + 2acrocentric; 2k= 4metacentric + 12submetacentric + 2acrocentric | 0.33-0.35 | C-banding | DAPI/CMA3; FISH (ribosomal probe) | Rocha et al. 2003b  Tavares et al. 2010b  Tavares et al. 2012  Pereira et al. 2021a   | |
Meliponini | Melipona marginata | Caeté, Viçosa, Minas Gerais | Brazil | 9 | 18 | C-banding, Ag-NOR | DAPI/CMA3 | Rocha and Pompolo 1998  Maffei et al. 2001  Rocha et al. 2002   | |||
Meliponini | Melipona marginata | Cunha, São Paulo | Brazil | 0.28 | Tavares et al. 2010b   | ||||||
Meliponini | Melipona mondury | Diogo Vasconcelos, Itamarandiba, Rio Vermelho, Viçosa, Minas Gerais; Rio Bonito, Rio de Janeiro | Brazil | 9 | 18 | high heterochromatin content species | 0.94-0.95 | C-banding | DAPI/CMA3; FISH (C0t-1, ribosomal, microsatellites, repetitive, satellite probes) | Lopes et al. 2008  Lopes et al. 2009  Tavares et al. 2012  Andrade-Souza et al. 2018  Travenzoli et al. 2019a  Pereira et al. 2020  Cunha et al. 2020  Pereira et al. 2021a  Vignati et al. 2025   | |
Meliponini | Melipona paraensis | Altamira, Pará | Brazil | 9 | 18 | high heterochromatin content species | C-banding | DAPI/CMA3; FISH (C0t-1, ribosomal, microsatellites probes) | Cunha et al. 2018  Travenzoli et al. 2019a  Cunha et al. 2020  Pereira et al. 2021a   | ||
Meliponini | Melipona paraensis | Iranduba, Amazonas | Brazil | 18 | high heterochromatin content species | as Melipona cf. rufiventris | Giemsa | FISH (ribosomal, microsatellites probes) | Cunha et al. 2021  Cunha et al. 2024   | ||
Meliponini | Melipona puncticollis | Altamira, Pará | Brazil | 9 | 18 | 2k= 4metacentric + 12submetacentric + 2acrocentric | C-banding | DAPI/CMA3; FISH (C0t-1, ribosomal, microsatellites, repetitive probes) | Cunha et al. 2018  Travenzoli et al. 2019a  Cunha et al. 2020  Pereira et al. 2021a   | ||
Meliponini | Melipona quadrifasciata | Pocinhos do Rio Verde, Minas Gerais; Santana de Parnaiba, São Paulo | Brazil | 9 | 18 | as Melipona quadrifasciata anthidioides | G-banding | Kerr 1972  Tambasco et al. 1979   | |||
Meliponini | Melipona quadrifasciata | Caeté, Viçosa, Minas Gerais; Brejo Grande, Sergipe | Brazil | 9 | 18 | 2k= 4metacentric + 12submetacentric + 2acrocentric | 0.25-0.27 | Giemsa, C-banding | DAPI/CMA3; FISH (C0t-1, ribosomal, microsatellites, repetitive, satellite probes) | Rocha and Pompolo 1998  Rocha et al. 2002  Tavares et al. 2010b  Silva et al. 2012  Tavares et al. 2012  Andrade-Souza et al. 2018  Travenzoli et al. 2019a  Cunha et al. 2020  Pereira et al. 2021a  Pereira et al. 2021b  Vignati et al. 2025   | |
Meliponini | Melipona quinquefasciata | Ceará; Cristalina, Luizlândia, Goiás; Brasília, Distrito Federal; Bicas, Piumhi, Januária, Caeté, Minas Gerais | Brazil | 9 | 18 | 2k= 10metacentric + 6submetacentric + 2acrocentric; 2k= 8metacentric + 6submetacentric + 4subtelocentric | up to 4 B chromosomes have been described | 0.67-0.70 | C-banding | DAPI/CMA3; FISH (C0t-1, ribosomal, microsatellites, repetitive probes) | Kerr 1972  Rocha et al. 2007  Tavares et al. 2010b  Tavares et al. 2012  Silva et al. 2018  Travenzoli et al. 2019a  Cunha et al. 2020  Pereira et al. 2021a  Cunha et al. 2021  Cunha et al. 2024   |
Meliponini | Melipona rufiventris | Guimarânia, Minas Gerais | Brazil | 9 | 18 | high heterochromatin content species | 1 B chromosome has been described | 0.93 | C-banding | DAPI/CMA3; FISH (C0t-1, ribosomal, microsatellites, chromosome painting, repetitive probes) | Lopes et al. 2008  Lopes et al. 2009  Lopes et al. 2014  Travenzoli et al. 2019a  Cunha et al. 2020  Pereira et al. 2021a   |
Meliponini | Melipona scutellaris | Ilhéus, Lençóis, Encruzilhada, Bahia; Rio Claro, São Paulo; Pilões, Paraíba | Brazil | 9 | 18 | high heterochromatin content species | 1.08 | C-banding | DAPI/CMA3; FISH (C0t-1, ribosomal, U2 snDNA, microsatellites, satellite probes) | Rocha and Pompolo 1998  Rocha et al. 2002  Tavares et al. 2010b  Andrade-Souza et al. 2018  Piccoli et al. 2018  Travenzoli et al. 2019a  Pereira et al. 2021a  Cunha et al. 2021  Pereira et al. 2021b  Cunha et al. 2024   | |
Meliponini | Melipona seminigra | Rio Branco, Acre | Brazil | 22 | high heterochromatin content species | as Melipona seminigra abunensis | DAPI/CMA3; FISH (ribosomal probe) | Andrade-Souza et al. 2018   | |||
Meliponini | Melipona seminigra | Nova Xavantina, Mato Grosso | Brazil | 0.85 | Tavares et al. 2010b   | ||||||
Meliponini | Melipona seminigra | Iranduba, Manaus, Amazonas | Brazil | 11 | 22 | high heterochromatin content species | as Melipona seminigra merrillae | 0.92 | C-banding, Ag-NOR | DAPI/CMA3; FISH (C0t-1, ribosomal, microsatellites probes) | Francini et al. 2011  Cunha et al. 2018  Cunha et al. 2020  Barbosa et al. 2021  Cunha et al. 2021   |
Meliponini | Melipona seminigra | Altamira, Santarém, Pará | Brazil | 11 | 22 | high heterochromatin content species | as Melipona seminigra pernigra | C-banding | DAPI/CMA3; FISH (ribosomal, microsatellites probes) | Cunha et al. 2018  Andrade-Souza et al. 2018  Travenzoli et al. 2019a  Pereira et al. 2021a  Cunha et al. 2024   | |
Meliponini | Melipona subnitida | Mossoro, Santana do Seridó, Rio Grande do Norte | Brazil | 9 | 18 | 2k= 4metacentric + 10submetacentric + 4acrocentric | 0.27 | C-banding | DAPI/CMA3; FISH (ribosomal, microsatellites probe) | Kerr 1972  Rocha et al. 2002  Tavares et al. 2010b  Travenzoli et al. 2019a  Pereira et al. 2021a   | |
Meliponini | Melipona sp. | Brasília, Distrito Federal | Brazil | 18 | 2k= 10metacentric + 6submetacentric + 2acrocentric | Giemsa | FISH (ribosomal, microsatellites probes) | Cunha et al. 2021  Cunha et al. 2024   |
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
Rocha, M.P., Pompolo, S.G. Karyotypes and heterochromatin variation (C-bands) in Melipona species (Hymenoptera, Apidae, Meliponinae). Genetics and Molecular Biology, 21 : pp . 1998. DOI: [10.1590/S1415-47571998000100008 https://doi.org/10.1590/S1415-47571998000100008]
Tambasco, A.J., Giannoni, M.A., Azevedo-Moreira, L.M. Analyses of G-bands in chromosomes of the Melipona quadrifasciata anthidioides Lepeletier (Hymenoptera, Apidae, Meliponinae). Cytologia, 44 : pp 21-27. 1979. DOI: [10.1508/cytologia.44.21 https://doi.org/10.1508/cytologia.44.21]
Francini, I.B., Gross, M.C., Nunes-Silva, C.G., Carvalho-Zilse, G.A. Cytogenetic analysis of the Amazon stingless bee Melipona seminigra merrillae reveals different chromosome number for the genus. Scientia Agricola, 68 : pp 592-593. 2011. DOI: [10.1590/S0103-90162011000500012 https://doi.org/10.1590/S0103-90162011000500012]
Andrade-Souza, V., Duarte, O.M.P., Martins, C.C.C., Santos, I.S., Costa, M.G.C., Costa, M.A. Comparative molecular cytogenetics in Melipona Illiger species (Hymenoptera, Apidae). Sociobiology, 65 : pp 696-705. 2018. DOI: [10.13102/sociobiology.v65i4.3480 https://doi.org/10.13102/sociobiology.v65i4.3480]
Tavares, M.G., Carvalho, C.R., Soares, F.A.F., Campos, L.A.O. Genome size diversity in stingless bees (Hymenoptera: Apidae, Meliponini). Apidologie, 43 : pp 731-736. 2012. DOI: [10.1007/s13592-012-0145-x https://doi.org/10.1007/s13592-012-0145-x]
Cunha, M.S., Campos, L.A.O., Lopes, D.M. Insights into the heterochromatin evolution in the genus Melipona (Apidae: Meliponini). Insectes Sociaux, 67 : pp 391-398. 2020. DOI: [10.1007/s00040-020-00773-6 https://doi.org/10.1007/s00040-020-00773-6]
Lopes, D.M., Fernandes, A., Diniz, D., Scudeler, P.E.S., Foresti, F., Campos, L.A.O. Similarity of heterochromatic regions in the stingless bees (Hymenoptera: Meliponini) revealed by chromosome painting. Caryologia, 67 : pp 222-226. 2014. DOI: [10.1080/0144235X.2014.974349 https://doi.org/10.1080/0144235X.2014.974349]
Hoshiba, H., Imai, H. Chromosome evolution of bees and wasps (Hymenoptera, Apocrita) on the basis of C-banding pattern analyses. Japanese Journal of Entomology, 61 : pp 465-492. 1993
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]
Rocha, M.P., Cruz, M.P., Fernandes, A., Waldschmidt, A.M., Silva-Junior, J.C., Pompolo, S.G. Longitudinal differentiation in Melipona mandacaia (Hymenoptera, Meliponini) chromosomes. Hereditas, 138 : pp 133-137. 2003b. DOI: [10.1034/j.1601-5223.2003.01699.x https://doi.org/10.1034/j.1601-5223.2003.01699.x]
Piccoli, M.C.A., Bardella, V.B., Cabral-de-Mello, D.C. Repetitive DNAs in Melipona scutellaris (Hymenoptera: Apidae: Meliponidae): chromosomal distribution and test of multiple heterochromatin amplification in the genus. Apidologie, 49 : pp 497-504. 2018. DOI: [10.1007/s13592-018-0577-z https://doi.org/10.1007/s13592-018-0577-z]
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]
Pereira, J.A., Salomão, T.M.F., Lopes, D.M. Different repetitive DNA sequences make up heterochromatin in Meliponini. Apidologie, 51 : pp 855-860. 2020. DOI: [10.1007/s13592-020-00766-1 https://doi.org/10.1007/s13592-020-00766-1]
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]
Lopes, D.M., Pompolo, S.G., Campos, L.A.O., Tavares, M.G. Cytogenetic characterization of Melipona rufiventris Lepeletier 1836 and Melipona mondury Smith 1863 (Hymenoptera, Apidae) by C banding and fluorochromes staining. Genetics and Molecular Biology, 31 : pp 49-52. 2008. DOI: [10.1590/S1415-47572008000100010 https://doi.org/10.1590/S1415-47572008000100010]
Pereira, J.A., Travenzoli, N.M., Oliveira, M.P., Werneck, H.A., Fernandes-Salomão, T.M., Lopes, D.M. Molecular cytogenetics in the study of repetitive sequences helping to understand the evolution of heterochromatin in Melipona (Hymenoptera, Meliponini). Genetica, 149 : pp 55-62. 2021a. DOI: [10.1007/s10709-020-00111-5 https://doi.org/10.1007/s10709-020-00111-5]
Lopes, D.M., Fernandes, A., Praça-Fontes, M.M., Werneck, H.D.A., Resende, H.C., Campos, L.A.O. Cytogenetics of three Melipona species (Hymenoptera, Apidae, Meliponini). Sociobiology, 58 : pp 185-194. 2011
Cunha, M.S., Travenzoli, N.M., Ferreira, R.D.P., Cassinela, E.K., Silva, H.B.D., Oliveira, F.P.M., Salomão, T.M.F., Lopes, D.M. Comparative cytogenetics in three Melipona species (Hymenoptera: Apidae) with two divergent heterochromatic patterns. Genetics and Molecular Biology, 41 : pp 806-813. 2018. DOI: [10.1590/1678-4685-gmb-2017-0330 https://doi.org/10.1590/1678-4685-gmb-2017-0330]
Hoshiba, H. Karyological analysis of a stingless bee, Melipona favosa (Apidae, Hymenoptera). Cytologia, 53 : pp 153-156. 1988. DOI: [10.1508/cytologia.53.153 https://doi.org/10.1508/cytologia.53.153]
Tavares, M.G., Carvalho, C.R., Soares, F.A.F. Genome size variation in Melipona species (Hymenoptera: Apidae) and sub-grouping by their DNA content. Apidologie, 41 : pp 636-642. 2010b. DOI: [10.1051/apido/20010023 https://doi.org/10.1051/apido/20010023]
Pereira, J.A., Milani, D., Ferretti, A.B.S.M., Bardella, V.B., Cabral-de-Mello, D.C., Lopes, D.M. The extensive amplification of heterochromatin in Melipona bees revealed by high throughput genomic and chromosomal analysis. Chromosoma, 130 : pp 251-262. 2021b. DOI: [10.1007/s00412-021-00764-x https://doi.org/10.1007/s00412-021-00764-x]
Barbosa, I.C.O., Schneider, C.H., Goll, L.G., Feldberg, E., Carvalho-Zilse, G.A. Chromosomal mapping of repetitive DNA in Melipona seminigra merrillae Cockerell, 1919 (Hymenoptera, Apidae, Meliponini). Comparative Cytogenetics, 15 : pp 77-87. 2021. DOI: [10.3897/compcytogen.v15.i1.56430 https://doi.org/10.3897/compcytogen.v15.i1.56430]
Rocha, M.P., Pompolo, S.G., Dergam, J.A., Fernandes, A., Campos, L.A.O. DNA characterization and karyotypic evolution in the bee genus Melipona (Hymenoptera, Meliponini). Hereditas, 136 : pp 19-27. 2002. DOI: [10.1034/j.1601-5223.2002.1360104.x https://doi.org/10.1034/j.1601-5223.2002.1360104.x]
Travenzoli, N.M., Lima, B.A., Cardoso, D.C., Dergam, J.A., Fernandes-Salomão, T.M., Lopes, D.M. Cytogenetic analysis and chromosomal mapping of repetitive DNA in Melipona species (Hymenoptera, Meliponini). Cytogenetic and Genome Research, 158 : pp 213-224. 2019a. DOI: [10.1159/000501754 https://doi.org/10.1159/000501754]
Travenzoli, N.M., Barbosa, I.C.O., Carvalho-Zilse, G.A., Salomão, T.M.F., Lopes, D.M. Karyotypic description and repetitive DNA chromosome mapping of Melipona interrupta Latreille, 1811 (Hymenoptera: Meliponini). Caryologia, 72 : pp 91-95. 2019b. DOI: [10.13128/cayologia-239 https://doi.org/10.13128/cayologia-239]
Rocha, M.P., Pompolo, S.G., Fernandes, A., Campos, L.A.O. Melipona: Six decade of cytogenetic. Bioscience Journal, 23 : pp 111-117. 2007
Kerr, W.E. Numbers of chromosomes in some species of bees. Journal of the Kansas Entomological society, 45 : pp 111-122. 1972
Silva, W.R.T., Araújo, E.D., Scher, R. Caracterização do cariótipo de uma população de abelhas Melipona quadrifasciata (Hymenoptera: Meliponini), no município de Brejo Grande/Se. Scientia Plena, 8 : pp 1-6. 2012
Silva, A.A., Rocha, M.P., Pompolo, S.G., Campos, L.A.O., Tavares, M.G. Karyotypic description of the stingless bee Melipona quinquefasciata Lepeletier, 1836 (Hymenoptera, Meliponini) with emphasis on the presence of B chromosomes. Comparative Cytogenetics, 12 : pp 471-482. 2018. DOI: [10.3897/CompCytogen.v12i4.29165 https://doi.org/10.3897/CompCytogen.v12i4.29165]
Maffei, E.M.D., Pompolo, S.G., Silva-Jr, J.C., Caixeiro, A.P.A., Rocha, M.P., Dergam, J.A. Silver staining of nucleolar organizer regions (NORs) in some species of Hymenoptera (bees and parasitic wasps) and Coleoptera (lady beetle). Cytobios, 104 : pp 119-125. 2001
Lopes, D.M., Carvalho, C.R., Clarindo, W.R., Praça, M.M., Tavares, M.G. Genome size estimation of three stingless bee species (Hymenoptera, Meliponinae) by flow cytometry. Apidologie, 40 : pp 517-523. 2009. DOI: [10.1051/apido/2009030 https://doi.org/10.1051/apido/2009030]