Probably a polylectic species. Recorded in Spain from flowers in the families: Fagaceae, Resedaceae, Crassulaceae, Rosaceae, Boraginaceae, Lamiaceae, Asteraceae. (Ornosa & Ortiz-Sánchez, 2004).
Assuming the species reported as Hylaeus pictus (=Prosopis stigmorhina) in Mavromoustakis (1948 et seq.) is this taxon, Mavromoustakis (1948; 1951; 1952) records visitation Cistus salvifolius (Cistaceae); Rubus ulmifolius anatolicus (Rosaceae) and Limonium (=Statice) virgata (Plumbaginaceae); Foeniculum piperitum, Eryngium creticum, Ferula (Apiaceae); Polygonum equisetiforme (Polygonaceae); Mentha longifolia (Lamiaceae); Rubus ulmifolius anatolicus (Rosaceae); Vicia cracca elegans (Fabaceae)
Flügel (2018) reports visitation to Adenocarpus complicatus (Fabaceae).
Baldock et al. (in prep) report visitation to Potentilla reptans (Rosaceae) in the Balearic Islands