The same female, see here, now on Trailing bellflower (Campanula poscharskyana).

References
1 Nederlands SoortenregisterThe same female, see here, now on Trailing bellflower (Campanula poscharskyana).
References
1 Nederlands Soortenregister
Megachile willughbiella ♀︎
(Willughby's Leaf-cutter Bee)
-Nepeta sp.-
Megachile willughbiella ♂︎
(Willughby's Leaf-cutter Bee)
-Leucanthemum vulgare-
Megachile willughbiella ♀︎
(Willughby's Leaf-cutter Bee)
-Ononis repens-
Megachile willughbiella ♂︎
(Willughby's Leaf-cutter Bee)
-Knautia arvensis-