Abstract

The bees of the family Halictidae Thomson, 1869 from Dominica are reviewed. Seven new species are described and illustrated: Lasioglossum (Dialictus) kalinago sp. nov., L. (D.) dominicense sp. nov., L. (D.) kilpatrickae sp. nov., L. (Habralictellus) roseauense sp. nov., Sphecodes diablotinus sp. nov., S. albifacies sp. nov. and Habralictus antillarus sp. nov. A description and images of the previously unknown female of Microsphecodes dominicanus (Stage, 1972) are provided. In total, eleven species are recognized; eight nest-building species and three kleptoparasites. All halictid species from Dominica are currently known only from the island. A key to halictid bees from Dominica is provided.

Highlights

  • The Commonwealth of Dominica is a small island in the Caribbean Sea, with a total area of approximately 750 km2 and reaching a maximum elevation of 1447 m

  • Halictid bees occurring in the Lesser Antilles have been recorded and described from several Windward Islands, including Dominica (Crawford 1914; Eickwort & Stage 1972; Gibbs 2012), and islands to the south such as Grenada (Smith-Pardo 2009), Trinidad and Tobago (Hook et al 2014), and St

  • Islands adjacent to Dominica, such as Guadeloupe and Martinique, do not have any halictid bees currently listed in their faunae (Ascher & Pickering 2015; Meurgey 2014), but they do occur on these islands

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Summary

Introduction

The Commonwealth of Dominica is a small island in the Caribbean Sea, with a total area of approximately 750 km and reaching a maximum elevation of 1447 m. Dominica is at approximately the midpoint of the Lesser Antilles chain of islands, belonging to the so-called Windward Islands. Halictid bees occurring in the Lesser Antilles have been recorded and described from several Windward Islands, including Dominica (Crawford 1914; Eickwort & Stage 1972; Gibbs 2012), and islands to the south such as Grenada (Smith-Pardo 2009), Trinidad and Tobago (Hook et al 2014), and St. Vincent and the Grenadines (Ashmead 1900). A small number of halictid bees have been reported from the Leeward Islands Saint Kitts, Saint John and Sombrero, Anguilla and the Virgin Islands to the north of Dominica (Engel 2001b, 2006a, 2011; Genaro & Franz 2008).

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