Dataset Information

Swallowtail butterflies (Lepidoptera: Papilionidae) species diversity and distribution in Africa: The Papilionidae collection at the National Museums of Kenya, Nairobi, Kenya.

ABSTRACT: Background:Species data from the Museum collections have been shown to be of great value as a tool for prioritising conservation actions in Africa (Fjeldsa and Tushabe 2005). The National Museums of Kenya (NMK) have an entomology collection, housed in 4,000 drawers in cabinets that contain over 1.5 million specimens, including the largest butterfly collection in Africa (Arnett et al. 1997). Lampe and Striebing (2005) demonstrated how to digitise large insect collections in order to make their associated label data into databases that can be used for functions, such as creating distribution maps. The NMK's swallowtail butterflies' collection had not been digitised and thus there was a need to capture the label data to create a database that can be used for mapping the distribution of the species in Kenya and elsewhere. These data have addressed one of the most significant challenges to insect conservation i.e. the lack of baseline information concerning species diversity and distribution (Summerville and Crist 2003). These data have provided key historic papilionid species diversity and distribution data that can be used to monitor their populations, as butterflies are declining due to changes in land use, intensive agriculture and pestcide use, diseases and pest and climate change (Potts et al. 2016; Bongaarts 2019). The publication of the occurrence data records in GBIF has been undertaken, thus making the data available to a wider audience and promoting availability for use. New information:The swallowtail butterflies collection at the National Museums of Kenya was digitised from 2017-2019 and this paper presents details of the Papilionid collection at the Zoology Department, NMK, Nairobi, Kenya.The collection holds 7,345 voucher specimens, consisting of three genera and 133 species. The collection covers the period between 1850 to 2019.The distribution of the swallowtail butterflies, housed at the NMK, covers East Africa with 88%, Central Africa (6%), Western Africa (4%) and Southern Africa (2%).

SUBMITTER: Kioko E

PROVIDER: S-EPMC7145877 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Publications

Swallowtail butterflies (Lepidoptera: Papilionidae) species diversity and distribution in Africa: The Papilionidae collection at the National Museums of Kenya, Nairobi, Kenya.

Kioko Esther E Musyoki Alex Mutinda AM Luanga Augustine A Kioko Mwinzi Duncan MD Mwangi Esther Wangui EW Monda Lawrence L

Biodiversity data journal 20200402

<h4>Background</h4>Species data from the Museum collections have been shown to be of great value as a tool for prioritising conservation actions in Africa (Fjeldsa and Tushabe 2005). The National Museums of Kenya (NMK) have an entomology collection, housed in 4,000 drawers in cabinets that contain over 1.5 million specimens, including the largest butterfly collection in Africa (Arnett et al. 1997). Lampe and Striebing (2005) demonstrated how to digitise large insect collections in order to make ...[more]

PMID: 32292277

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Project description:Hybrid speciation, or the formation of a daughter species due to interbreeding between two parental species, is a potentially important means of diversification, because it generates new forms from existing variation. However, factors responsible for the origin and maintenance of hybrid species are largely unknown. Here we show that the North American butterfly Papilio appalachiensis is a hybrid species, with genomic admixture from Papilio glaucus and Papilio canadensis. Papilio appalachiensis has a mosaic phenotype, which is hypothesized to be the result of combining sex-linked traits from P. glaucus and P. canadensis. We show that P. appalachiensis' Z-linked genes associated with a cooler thermal habitat were inherited from P. canadensis, whereas its W-linked mimicry and mitochondrial DNA were inherited from P. glaucus. Furthermore, genome-wide AFLP markers showed nearly equal contributions from each parental species in the origin of P. appalachiensis, indicating that it formed from a burst of hybridization between the parental species, with little subsequent backcrossing. However, analyses of genetic differentiation, clustering, and polymorphism based on molecular data also showed that P. appalachiensis is genetically distinct from both parental species. Population genetic simulations revealed P. appalachiensis to be much younger than the parental species, with unidirectional gene flow from P. glaucus and P. canadensis into P. appalachiensis. Finally, phylogenetic analyses, combined with ancestral state reconstruction, showed that the two traits that define P. appalachiensis' mosaic phenotype, obligatory pupal diapause and mimicry, evolved uniquely in P. canadensis and P. glaucus, respectively, and were then recombined through hybridization to form P. appalachiensis. These results suggest that natural selection and sex-linked traits may have played an important role in the origin and maintenance of P. appalachiensis as a hybrid species. In particular, ecological barriers associated with a steep thermal cline appear to maintain the distinct, mosaic genome of P. appalachiensis despite contact and occasional hybridization with both parental species.

Dataset Information

Swallowtail butterflies (Lepidoptera: Papilionidae) species diversity and distribution in Africa: The Papilionidae collection at the National Museums of Kenya, Nairobi, Kenya.

Publications

Swallowtail butterflies (Lepidoptera: Papilionidae) species diversity and distribution in Africa: The Papilionidae collection at the National Museums of Kenya, Nairobi, Kenya.

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