Megachile submucida Alfken
Trifolium alexandrinum
Shebl, Mohamed, Kamel, Soliman and Mahfouz, Hatem. "Bee Fauna (Apoidea: Hymenoptera) of the Suez Canal Region, Egypt" Journal of Apicultural Science, vol.57, no.1, 2013, pp.33-44. https://doi.org/10.2478/jas-2013-0004