FIGURE 3 in Distribution, phenology and host plants of Danish bees (Hymenoptera, Apoidea)

FIGURE 3. Total number of bee individuals for each sex recorded as a function of half-month ((days 1-15 and days 16-31)) from January (J) through December (D). Peak season for bees in Denmark is from late May to early August, however, they can be found active from February 29 until October 21.