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  1. Article ; Online: Erratum: MIREILLE BELLE MBOU OKASSA, DOLLON MBAMA NTABI amp; ARSENE LENGA (2020) Morphological and molecular identification of specimens in the genus Euseius (Acari: Phytoseiidae) from the Republic of Congo. Zootaxa, 4768: 479-498.

    Okassa, Mireille Belle Mbou / Ntabi, Dollon Mbama / Lenga, Arsene

    Zootaxa

    2021  Volume 4920, Issue 4, Page(s) zootaxa.4920.4.10

    Language English
    Publishing date 2021-02-02
    Publishing country New Zealand
    Document type Journal Article ; Published Erratum
    ISSN 1175-5334
    ISSN (online) 1175-5334
    DOI 10.11646/zootaxa.4920.4.10
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Morphological and molecular identification of specimens in the genus Euseius (Acari: Phytoseiidae) from the Republic of Congo.

    Okassa, Mireille Belle Mbou / Ntabi, Dollon Mbama / Lenga, Arsene

    Zootaxa

    2020  Volume 4768, Issue 4, Page(s) zootaxa.4768.4.2

    Abstract: The purpose of this study was to identify the taxonomic status of several individuals belonging to the genus Euseius, collected from three host plants (cassava, okra, and chilli) in the Republic of the Congo, using morphometric and molecular analysis. ... ...

    Abstract The purpose of this study was to identify the taxonomic status of several individuals belonging to the genus Euseius, collected from three host plants (cassava, okra, and chilli) in the Republic of the Congo, using morphometric and molecular analysis. For this, hierarchical ascending classification on principal component analysis was performed using morphological measurements from 21 and 22 individuals of E. fustis and Euseius sp., respectively, with the original description of Euseius neodossei considered. For molecular analysis, two DNA fragments were amplified and sequenced: the mitochondrial 12S rRNA and the nuclear ribosomal region ITSS. This integrative approach found that (1) morphological differences existed between the Euseius sp. and both E. neodossei and E. fustis, and (2) both mitochondrial DNA fragments showed a clear delineation between Euseius sp. and E. fustis. The results obtained highlight the value of using integrative taxonomy to improve the identification of species in under-sampled areas and the need to increase the number of DNA sequences deposited in GenBank database from this region. This is the first time that DNA sequences of mites from the Congo (Brazzaville) have been deposited in this database.
    MeSH term(s) Animals ; Congo ; DNA, Mitochondrial ; Mites ; Mitochondria
    Chemical Substances DNA, Mitochondrial
    Language English
    Publishing date 2020-05-05
    Publishing country New Zealand
    Document type Journal Article
    ISSN 1175-5334
    ISSN (online) 1175-5334
    DOI 10.11646/zootaxa.4768.4.2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Molecular characterization of pests (Chrysomelidae: Bruchinae) of beans (Phaseolus vulgaris) in the Republic of Congo

    Dibangou, Valentin / Okassa, Mireille Belle Mbou / Mazikou, Grace Fidelma Missamou / Lenga, Arsène

    African zoology. 2021 Jan. 02, v. 56, no. 1

    2021  

    Abstract: The bean Phaseolus vulgaris is widely consumed by the Congolese population, because it is rich in protein and has a good nutritional quality. Beetles of the subfamily Bruchinae are pests of bean seeds in the field and storage in the Republic of Congo (RC) ...

    Abstract The bean Phaseolus vulgaris is widely consumed by the Congolese population, because it is rich in protein and has a good nutritional quality. Beetles of the subfamily Bruchinae are pests of bean seeds in the field and storage in the Republic of Congo (RC). Their attacks cause a reduction in seed weight, leading to a decrease in the nutritional and commercial value of the seeds. The purpose of our study was to identify the post-harvest diversity of bean bruchids in two bean producing regions in the Congo (Niari and Bouenza) using molecular taxonomy (12S rRNA marker). The bean weevil, Acanthoscelides obtectus (Say), and cowpea weevil, Callosobruchus maculatus (Fabricius), were identified. Acanthoscelides obtectus, recognised as the main pest of beans, was found in all ten localities sampled, whereas C. maculatus, recognised as the main pest of pigeon peas (Cajanus cajan) and chickpeas (Cicer arietinum), was found in two of the ten. Better knowledge of the diversity of bruchids present in the RC will make it possible to propose effective control methods with little impact on environmental and human health.
    Keywords Acanthoscelides obtectus ; Cajanus cajan ; Callosobruchus maculatus ; Chrysomelidae ; Cicer arietinum ; Phaseolus vulgaris ; human health ; molecular systematics ; nutritive value ; pests ; pigeons ; seed weight ; zoology ; Republic of the Congo
    Language English
    Dates of publication 2021-0102
    Size p. 35-43.
    Publishing place Taylor & Francis
    Document type Article
    Note NAL-light
    ZDB-ID 2070936-5
    ISSN 2224-073X ; 1562-7020
    ISSN (online) 2224-073X
    ISSN 1562-7020
    DOI 10.1080/15627020.2020.1848455
    Database NAL-Catalogue (AGRICOLA)

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