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Eucera nigrescens
The bees have a body length of 13 - 15 mm (females) or 12 - 15 mm (male). The females are brown hairy upper part while males are hairy reddish brown. It is flying from mid-March to early July.
The species is widespread in southern, central, northern and southern Europe. They are almost exclusively pollinating plants from pea family (Faboideae), foraging from bush vetch (Vicia sepium), tufted vetch (Vicia cracca), meadow vetchling (Lathyrus pratensis), lucerne (Medicago sativa), white clover (Trifolium repens) and red clover (Trifolium pratense). D.B. Baker (1964) states that the bee is polylectic, visiting a number of Fabaceae, Boraginaceae, Labiatae and Scrophulariaceae.
I heven't find any information about Istrian peninsula an its occurrence, further down the Croatian coast there are some native species, but I have found the information about the Slovenian population although not the freshest, like 10 years old map, and you can see that on the coast frequency rises, so I believe 60 km in not so much ;) http://www2.pms-lj.si/andrej/eucnig.htm Thank you once again!
Thank you, I didn't even put the name cause I wasn't sure whether is a mini bumblebee or some sort of mining bee or something else ;)
Common longhorn bee, male (!). Please, verify the species! There are many similar ones around. Check the species for Croatia.
http://www.tierundnatur.de/wildbienen/eb...