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      Monotypic no more – a new species of the unusual genus Schwarzia (Hymenoptera, Apidae, Biastini)

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      Journal: Journal of Hymenoptera Research
      Publisher: Pensoft Publishers

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          Abstract

          SchwarziaelizabethaeBossert, sp. n., a previously unknown species of the enigmatic cleptoparasitic genus SchwarziaEardley, 2009 is described. Both sexes are illustrated and compared to the type species of the genus, SchwarziaemmaeEardley, 2009. The male habitus of S.emmaeis illustrated and potential hosts of Schwarziaare discussed. Unusual morphological features of Schwarziaare examined in light of the presumably close phylogenetic relationship to other Biastini. The new species represents the second species of Biastini outside the Holarctic region.

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          Combining transcriptomes and ultraconserved elements to illuminate the phylogeny of Apidae

          Silas Bossert, Elizabeth A Murray, Eduardo A.B. Almeida … (2019)
          Two increasingly popular approaches to reconstruct the Tree of Life involve whole transcriptome sequencing and the target capture of ultraconserved elements (UCEs). Both methods can be used to generate large, multigene datasets for analysis of phylogenetic relationships in non-model organisms. While targeted exon sequencing across divergent lineages is now a standard method, it is still not clear if UCE data can be readily combined with published transcriptomes. In this study, we evaluate the combination of UCEs and transcriptomes in a single analysis using genome-, transcriptome-, and UCE data for 79 bees in the largest and most biologically diverse bee family, Apidae. Using existing tools, we first developed a workflow to assemble phylogenomic data from different sources and produced two large nucleotide matrices of combined data. We then reconstructed the phylogeny of the Apidae using concatenation- and coalescent-based methods, and critically evaluated the resulting phylogenies in the context of previously published genetic, genomic, and morphological data sets. Our estimated phylogenetic trees are robustly supported and largely congruent with previous molecular hypotheses, from deep nodes to shallow species-level phylogenies. Moreover, the combined approach allows us to resolve controversial nodes of the apid Tree of Life, by clarifying the relationships among the genera of orchid bees (Euglossini) and the monophyly of the Centridini. Additionally, we present novel phylogenetic evidence supporting the monophyly of the diverse clade of cleptoparasitic Apidae and the placement of two enigmatic, oil-collecting genera (Ctenoplectra and Tetrapedia). Lastly, we propose a revised classification of the family Apidae that reflects our improved understanding of apid higher-level relationships.
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            A revision of the cleptoparasitic bee genus Epeolus Latreille for Nearctic species, north of Mexico ( Hymenoptera , Apidae )

            Thomas M. Onuferko (2018)
            Abstract Herein, the cleptoparasitic (cuckoo) bee genus Epeolus ( Hymenoptera : Apidae ) is revised for species occurring in North America, north of Mexico, and an updated checklist of all species known to occur in Canada and the United States of America is provided with comprehensive descriptions, diagnoses, and a single dichotomous key (using the same couplets for both sexes) to aid in their identification. To increase their recognition among North American naturalists, English common names are also proposed for all North American Epeolus . A total of 43 species is confirmed as present in the region, 15 of which are newly recognized. The following new species are proposed based on unique morphological (and in most cases also molecular) attributes: E. andriyi sp. n., E. attenboroughi sp. n., E. axillaris sp. n., E. basili sp. n., E. brumleyi sp. n., E. chamaesarachae sp. n., E. deyrupi sp. n., E. diadematus sp. n., E. ferrarii sp. n., E. gibbsi sp. n., E. inornatus sp. n., E. nebulosus sp. n., E. packeri sp. n., E. splendidus sp. n., and E. tessieris sp. n. Of the 15, six ( E. axillaris , E. brumleyi , E. chamaesarachae , E. diadematus , E. splendidus , and E. tessieris ) were identified as new species under different names (nomina nuda) in an M.Sc. thesis by Richard L. Brumley in 1965, but until now they have not been formally described. Detailed morphological comparisons with some evidence from DNA barcoding support the following synonymies, one of which C was first proposed by Brumley (1965): a) E. melectimimus Cockerell and Sandhouse, syn. n., under E. asperatus Cockerell; b) E. crucis Cockerell, syn. n., under E. compactus Cresson; c) E. mesillae palmarum Linsley, syn. n., under E. mesillae (Cockerell); and d) E. weemsi Mitchell, syn. n., and e) E. vernalis Mitchell, syn. n., under E. ilicis Mitchell. Only one member of the almost entirely Neotropical “Trophocleptria group” ( Epeolus bifasciatus Cresson) is confirmed as occurring north of Mexico, and is widespread East of the Rocky Mountains. Known floral associations are indicated for each species, as are suspected or known host species of Colletes Latreille. Evidence is presented that suggests further investigation into the possible synonymy of Colletes wickhami Timberlake under C. scopiventer Swenk is warranted.
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              Phylogenetic relationships and host-plant evolution within the basal clade of Halictidae (Hymenoptera, Apoidea)

              S Patiny, D Michez, B N Danforth (2008)
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                Author and article information

                Journal
                Title: Journal of Hymenoptera Research
                Abbreviated Title: JHR
                Publisher: Pensoft Publishers
                ISSN (Electronic): 1314-2607
                ISSN (Print): 1070-9428
                Publication date Created: April 30 2019
                Publication date (Electronic): April 30 2019
                Volume: 69
                Pages: 23-37
                Article
                DOI: 10.3897/jhr.69.32966
                SO-VID: 9ff3ca12-4656-408c-988d-b6ddfdfa39ec
                Copyright © © 2019
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                http://creativecommons.org/licenses/by/4.0/

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