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Abstract

L. fratellum, a halictine bee species of the so-called 'carinate'-Evylaeus group, is mainly distributed in boreo-montane regions of the western Palearctic. In NW Germany it often inhabits disturbed high moors with great populations. In this marginal environment L. fratellum and other (halictine)...

Author(s)
Heide, A. von der
Citation
Drosera, 1992, 92, 2, pp 171-188
Abstract

Evylaeus species, Halictus scabiosae and Lasioglossum leucozonium were studied in the field and in large laboratory cages. Degree of sociality varies widely: some of the species are solitary, some eusocial and only one (E. marginatus) is social. The biology and life cycle of each species are...

Author(s)
Plateaux-Quénu, C.
Citation
Année Biologique, 1993, 32, 4, pp 183-204
Abstract

The eusocial halictine bee E. malachurus is common over most of southern and central Europe. Overwintered gynes establish haplometrotic nests in spring. A single brood of workers is produced in the northern region, 2 broods are common in central Europe and southern Spain, and up to 3 broods occur...

Author(s)
Knerer, G.
Citation
Zoologische Jahrbücher, Abteilung für Systematik, Ökologie und Geographie der Tiere, 1992, 119, 2, pp 261-290
Abstract

Following a brief review of the similarities and differences between the two closely related species, Evylaeus calceatus and E. albipes, a description of certain biological features common to both species is given, based on field observations and laboratory experiments: the occasional presence of...

Author(s)
Plateaux-Quénu, C.
Citation
Insectes Sociaux, 1992, 39, 4, pp 351-364