Description of the nesting biology of three osmiine bees

In three recent publications, the nesting biology of Hoplitis (Alcidamea) princeps (Ivanov & Fateryga, Entomological Review, 98, 995-1005, 2018), Osmia (Erythrosmia) andrenoides (Müller & Richter, Entomo Helvetica, 12, 69-79, 2019) and Osmia (Melanosmia) nigriventris (Müller et al., Alpine Entomology, 3, 105-119, 2019) is described. The first species nests in self excavated short burrows in loose soil, the second species colonizes empty snail shells as nesting sites and the third species tunnels out burrows in the bark of larch and pine (see species accounts for details).

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