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Nesting site of Osmia uncinata. 5–10) Position of nests in the bark of Pinus sylvestris trunks. 11–14) Nest entrances below prominences of longitudinal bark ribs. |
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| Part of: Müller A, Prosi R, Taylor S, Richter H, Herrmann M, Weibel U (2020) Unique nesting biology of Osmia ( Melanosmia) uncinata, a Palaearctic osmiine bee specialized on thick-barked conifers (Hymenoptera, Megachilidae). Alpine Entomology 4: 157-171. https://doi.org/10.3897/alpento.4.53489 |