FIGURE 1–3. 1 in Palaearctic osmiine bees of the genera Hofferia and Stenoheriades (Megachilidae, Osmiini): biology, taxonomy and key to species

FIGURE 1–3. 1: Nesting site of Hofferia schmiedeknechti on the Golan Heights in northeastern Israel, near Lehavot HaBashan; several females nested in trunk and branches of this dead Cupressus tree (Photo D. Bénon). 2: Female of Hofferia schmiedeknechti entering her nest in a beetle burrow in a dead Cupressus tree (Photo D. Bénon). 3: Opened nest of Hofferia schmiedeknechti with three linearly arranged brood cells; the nest is plugged with dark plant resin of unknown origin mixed with small pebbles; the cell walls also consist of resin.