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The South African endemic bees of the "euryglossiform" species of the genus Scrapter Lepeletier & Serville, 1828 are revised and illustrated. The species-group is defined for the first time and comprises 20 species, 16 of which are described here as new: Scrapter exiguus sp. nov. ♀, ♂, S. gessorum sp. nov. ♀, S. inexpectatus sp. nov. ♀, S. luteistigma sp. nov. ♀, ♂, S. minutissimus sp. nov. ♂, S. minutuloides sp. nov. ♀, S. minutus sp. nov. ♀, S. nanus sp. nov. ♀, ♂, S. nigerrimus sp. nov. ♀, S. nigritarsis sp. nov. ♀, S. papkuilsi sp. nov. ♀, ♂, S. punctatus sp. nov. ♀, ♂, S. pygmaeus sp. nov. ♀, S. roggeveldi sp. nov. ♀, ♂, S. spinipes sp. nov. ♀, ♂ and S. ulrikae sp. nov. ♀, ♂. For S. acanthophorus Davies, 2005 and S. sittybon Davies, 2005 the female is here described for the first time. A key to all species is provided.
The South African endemic bee genus Redivivoides Michener, 1981 is revised and redefined. The genus comprises seven species, six of which are described here as new: Redivivoides capensis sp. nov. ♀♂, R. eardleyi sp. nov. ♀, R. kamieskroonensis sp. nov. ♀, R. karooensis sp. nov. ♀♂, R. namaquaensis sp. nov. ♀♂ and R. variabilis sp. nov. ♀♂. A key to species is provided.
Nine new species of the South African endemic group of euryglossiform bees of the genus Scrapter Lepeletier & Serville, 1828 are described, thus bringing the total number of species to 29 in this species-group: Scrapter avontuurensis Kuhlmann sp. nov. ♀, S. bokkeveldensis Kuhlmann sp. nov. ♀, S. fynbosensis Kuhlmann sp. nov. ♀, S. hergi Kuhlmann sp. nov. ♂, S. keiskiensis Kuhlmann sp. nov. ♀, S. mellonholgeri Kuhlmann sp. nov. ♀♂, S. nitens Kuhlmann sp. nov. ♀, S. oubergensis Kuhlmann sp. nov. ♀ and S. willemstrydomi Kuhlmann sp. nov. ♂. The new replacement name S. punctulatus nom. nov. is proposed for S. punctatus Kuhlmann, 2014 which is a junior primary homonym of S. punctatus Lepeletier & Audinet-Serville, 1825 (= Allodape punctata [Lepeletier & Audinet-Serville, 1825]). Moreover, new records for already described taxa are presented and an updated key to all species of euryglossiform Scrapter is provided.
A new species of Fidelia Friese, 1899 is described from southern Africa: Fidelia (Fideliopsis) whiteheadi Litman & Kuhlmann sp. nov. Diagnostic characters are provided to distinguish this species from others in the genus, particularly from the closely related F. hessei; an updated description for Fidelia hessei is also given. The host plant preferences and seasonal activity of F. whiteheadi Litman & Kuhlmann sp. nov. and F. hessei are discussed. Finally, a revised, illustrated key to species of the genus Fidelia is presented.
Capalictus, a new subgenus of Lasioglossum Curtis, 1833 (Hymenoptera, Apoidea, Halictidae), endemic to the South African Cape Province, is described. The type species is Halictus mosselinus Cockerell, 1945. Evylaeus (Sellalictus) fynbosensis (Pauly et al., 2008) is a new junior synonym of L. (C.) mosselinum. Three new species are described: Lasioglossum (Capalictus) hantamense sp. nov., L. (C.) tigrinum sp. nov. and L. (C.) timmermanni sp. nov. DNA sequence data from three nuclear genes support morphologically-determined species limits. Capalictus is a basal clade of the Hemihalictus series of Lasioglossum.