Mueller (1996) lists this as an oligolectic species, specialising in Cardueae (Asteraceae) pollen.
Pollen analysis (Muller, 1996) revealed the following pollen sources: Asteraceae with traces of Scrophulariaceae.
Mueller (1996) lists this as an oligolectic species, specialising in Cardueae (Asteraceae) pollen.
Pollen analysis (Muller, 1996) revealed the following pollen sources: Asteraceae with traces of Scrophulariaceae.
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