Taxonomic revision of the subgenus Eutricharaea Thomson in Egypt, with a key to the species and the description of two new species (Hymenoptera, Anthophila, Megachilidae, genus Megachile Latreille).

The subgenus Eutricharaea Thomson of the genus Megachile Latreille (Hymenoptera: Megachilidae) in Egypt is revised. Fifteen species are recognized, of which two are new: Megachile laniventris Praz sp. nov.

The genus Macroocula Panfilov in Egypt, with two new species (Hymenoptera: Bradynobaenidae: Apterogyninae).

The genus Macroocula Panfilov in Egypt is reviewed. Seven species were previously recorded from Egypt: M. magna (Invrea, 1965), M.

The genus Apterogyna Latreille, 1809 in Egypt, with three new species (Hymenoptera: Bradynobaenidae: Apterogyninae).

The genus Apterogyna Latreille is reviewed from Egypt, based on specimens collected from Wadi Digla (Cairo), Saint Catherine (South Sinai) and those deposited in Egyptian and Italian insect collections as well as recorded data from the literature. Five Apterogyna species were previously recorded from Egypt: A. grandii Invrea, A.