Two new species of Scaptotrigona Moure, 1942 from the Amazon forest (Hymenoptera: Apidae: Meliponini)
نویسندگان
چکیده
The aim of this study was to describe Scaptotrigona nigrohirta sp. nov. and hylaeana nov., in order make their names valid, since at least one these species has already been widely studied cited, however, never formally validated. Also, we have added some comparative notes among species.
منابع مشابه
Occurrence of multiple nucleolus organizer regions and intraspecific karyotype variation in Scaptotrigona xanthotricha Moure (Hymenoptera, Meliponini).
Scaptotrigona xanthotricha has a wide geographic distribution in the Brazilian Atlantic rainforest. One population from southeast and two from northeast Brazil were analyzed and were found to have chromosome polymorphisms. Although the chromosome number 2n = 34 is conserved in this species, karyotypic analysis revealed clear differences between the three populations. Congruent and ubiquitous mu...
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A new species of the Neotropical stingless bee genus Geotrigona Moure from the Caribbean coast of Colombia is described and figured. Geotrigona joearroyoisp. n. belongs to the fulvohirta species group and is distinguished on the basis of color and type of pubescence on the metasomal terga. New geographical records and an updated key to the species of Geotrigona are provided.
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A revision of the species of Centris subgenus Xanthemisia Moure from the Caribbean islands is presented. The species identified are C. aethiops Cresson, C. domingensis Dalla Torre nom. rev. and C. caymanensis, a new species from the Cayman Islands, Lesser Antilles. Figures, morphological characters of both sexes and the description of the male of C. domingensis are given. New distribution recor...
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Trichotrigona camargoiana sp. nov. from Candeias do Jamari, Rondônia, Brazil is described and illustrated, along with nesting and behavior, as the second species of the rare and unusual genus Trichotrigona Camargo & Moure, 1983. The new species differs from T. extranea Camargo & Moure, 1983 by having plumose setae on the face and mesepisterna, wing setae predominantly yellow and black metatibia...
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The cytogenetic analysis of Frieseomelitta dispar and F. francoi revealed the chromosome numbers 2n = 30 and n = 15 and a karyotypic formula 2K = 4M+2M(t)+4A+20A(M). The number of chromosomes observed was consistent with those reported for other Frieseomelitta species. The occurrence of the M(t) chromosome and other features of the karyotype formulae suggest a close relationship between F. disp...
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ژورنال
عنوان ژورنال: EntomoBrasilis
سال: 2022
ISSN: ['1983-0572']
DOI: https://doi.org/10.12741/ebrasilis.v15.e985