1,721,387 research outputs found

    Key to the paper and social wasps of Central Europe (Hymenoptera: Vespidae)

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    Dvořák, Libor, Roberts, Stuart P. M., Pla, Šumava Np and, Caer (2006): Key to the paper and social wasps of Central Europe (Hymenoptera: Vespidae). Acta Entomologica Musei Nationalis Pragae 46: 221-244, DOI: 10.5281/zenodo.532798

    Lasioglossum (Sphecodogastra) edessae Ebmer 1974

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    Lasioglossum (Sphecodogastra) edessae Ebmer, 1974 Distribution. Cyprus (Nicosia) (Ebmer 1995). Outside Europe known from Turkey.Published as part of Risch, Stephan, Roberts, Stuart P. M., Smit, Jan, Wood, Thomas J., Michez, Denis & Reverté, Sara, 2023, The new annotated checklist of the wild bees of Europe (Hymenoptera: Anthophila), pp. 1-147 in Zootaxa 5327 (1) on page 54, DOI: 10.11646/zootaxa.5327.1.1, http://zenodo.org/record/824437

    The new annotated checklist of the wild bees of Europe (Hymenoptera: Anthophila)

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    Risch, Stephan, Roberts, Stuart P.M., Smit, Jan, Wood, Thomas J., Michez, Denis, Reverté, Sara (2023): The new annotated checklist of the wild bees of Europe (Hymenoptera: Anthophila). Zootaxa 5327 (1): 1-147, DOI: https://doi.org/10.11646/zootaxa.5327.1.1, URL: http://dx.doi.org/10.11646/zootaxa.5327.1.

    Melittini Schenck 1860

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    Tribe Melittini Schenck, 1860 Genus Melitta Kirby, 1802Published as part of Risch, Stephan, Roberts, Stuart P. M., Smit, Jan, Wood, Thomas J., Michez, Denis & Reverté, Sara, 2023, The new annotated checklist of the wild bees of Europe (Hymenoptera: Anthophila), pp. 1-147 in Zootaxa 5327 (1) on page 128, DOI: 10.11646/zootaxa.5327.1.1, http://zenodo.org/record/824437

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Andrena (Euandrena) pileata Warncke 1975

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    Andrena (Euandrena) pileata Warncke, 1975 Andrena allosa pileata Warncke, 1975a: 85. Andrena pileata: Praz et al. 2019: 31. Upgraded to species rank.Published as part of Risch, Stephan, Roberts, Stuart P. M., Smit, Jan, Wood, Thomas J., Michez, Denis & Reverté, Sara, 2023, The new annotated checklist of the wild bees of Europe (Hymenoptera: Anthophila), pp. 1-147 in Zootaxa 5327 (1) on page 20, DOI: 10.11646/zootaxa.5327.1.1, http://zenodo.org/record/824437

    Andrena (Micrandrena) pirinia Wood 2021

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    Andrena (Micrandrena) pirinia Wood, 2021 Andrena (Micrandrena) pirinia Wood, 2021: 11. Holotype ♀; Bulgaria: Blagoevgrad, Popina Luka (OÖLM). Distribution. Bulgaria.Published as part of Risch, Stephan, Roberts, Stuart P. M., Smit, Jan, Wood, Thomas J., Michez, Denis & Reverté, Sara, 2023, The new annotated checklist of the wild bees of Europe (Hymenoptera: Anthophila), pp. 1-147 in Zootaxa 5327 (1) on page 14, DOI: 10.11646/zootaxa.5327.1.1, http://zenodo.org/record/824437

    Andrena (Trucandrena) derbentina Morawitz 1886

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    Andrena (Trucandrena) derbentina Morawitz, 1886 Distribution. The only verified records of this species are from the Caucasus.Published as part of Risch, Stephan, Roberts, Stuart P. M., Smit, Jan, Wood, Thomas J., Michez, Denis & Reverté, Sara, 2023, The new annotated checklist of the wild bees of Europe (Hymenoptera: Anthophila), pp. 1-147 in Zootaxa 5327 (1) on page 23, DOI: 10.11646/zootaxa.5327.1.1, http://zenodo.org/record/824437
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