Cleptoparasitic: Mavromoustakis (1960) suggests that Heriades crenulata (as Osmia crenulata) may be a host of this bee in Cyprus
Baldock et al (2018) report Hoplitis annulata as a host of this species in Portugal
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Cleptoparasitic: Mavromoustakis (1960) suggests that Heriades crenulata (as Osmia crenulata) may be a host of this bee in Cyprus
Baldock et al (2018) report Hoplitis annulata as a host of this species in Portugal
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