TY - JOUR DO - 10.5169/seals-1053246 DB - https://www.e-periodica.ch T1 - The hidden diet : examination of crop content reveals distinct patterns of pollen host use by Central European bees of the genus Hylaeus (Hymenoptera, Colletidae) AU - Müller, Andreas JF - Alpine entomology : the journal of the Swiss Entomological Society PB - Swiss Entomological Society Y1 - 2023 VL - 7 IS - SP - 21 SN - 2535-0889 ER -