Occurrence of Bees and Bumblebees in Bark Beetle Slit Traps from Spruce and Fir Woodlands of Central Dinaric Alps

The paper analysed bees by-catch collected in 259 bark beetle slit traps, from eleven localities Bosnia and Herzegovina. Sampling was carried out spruce fir forests 2020 2021. As a traps 84 bee individuals four families 13 genera were collected. In the sample, of 29 taxa, 22 species identified at level eight specimens left genus/subgenus level. most dominant Megachile with 34 Osmia represented by 20 total sample. research 14 new to fauna slit-traps dominated nesters cavities, above ground-nesting bees.