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The scarcely collected bee Promelitta alboclypeata with known occurrence across northern Africa and the Arabian Peninsula is a typical example of the bee family Melittidae which encompasses a good number of species with sparse or disjunct distributions and particular flower preferences. Using records for 16 localities, we estimated ecological niche models for P. alboclypeata in Maxent on four sets...
Two new cases of gynandromorphs in bees are described and figured: a mixed, nearly bilateral gynandromorph of the orchid bee Euglossa (Euglossa) tridentata Moure and a mixed gynandromorph of the megachilid bee Megachile (Chelostomoides) otomita Cresson. Records of gynandromorphic bees recently documented in the literature are also summarized. In less than a decade, more than 20 new cases were documented...
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