Leon van der Noll: Apis mellifera cf. mellifera (Western honey bee)
Leon van der Noll: Bombus (Bombus) lucorum agg. (White-tailed bumblebee)
Leon van der Noll: Bombus (Bombus) terrestris (Buff-tailed bumblebee)
Leon van der Noll: Bombus (Megabombus) hortorum (Garden bumblebee)
Leon van der Noll: Bombus (Megabombus) hortorum (Garden bumblebee)
Leon van der Noll: Bombus (Megabombus) hortorum (Garden bumblebee)
Leon van der Noll: Bombus (Megabombus) hortorum (Garden bumblebee)
Leon van der Noll: Bombus (Megabombus) hortorum (Garden bumblebee)
Leon van der Noll: Bombus (Megabombus) hortorum (Garden bumblebee)
Leon van der Noll: Bombus (Megabombus) hortorum (Garden bumblebee)
Leon van der Noll: Bombus (Melanobombus) lapidarius (Red-tailed bumblebee)
Leon van der Noll: Bombus (Melanobombus) lapidarius (Red-tailed bumblebee)
Leon van der Noll: Bombus (Melanobombus) lapidarius (Red-tailed bumblebee)
Leon van der Noll: Bombus (Melanobombus) lapidarius (Red-tailed bumblebee)
Leon van der Noll: Bombus (Psithyrus) bohemicus (Gypsy cuckoo bee)
Leon van der Noll: Bombus (Psithyrus) campestris (Field cuckoo-bee)
Leon van der Noll: Bombus (Psithyrus) campestris (Field cuckoo-bee)
Leon van der Noll: Bombus (Psithyrus) campestris (Field cuckoo-bee)
Leon van der Noll: Bombus (Psithyrus) campestris (Field cuckoo-bee)
Leon van der Noll: Bombus (Psithyrus) campestris (Field cuckoo-bee)
Leon van der Noll: Bombus (Psithyrus) rupestris (Red-tailed cuckoo-bee)
Leon van der Noll: Bombus (Psithyrus) rupestris (Red-tailed cuckoo-bee)
Leon van der Noll: Bombus (Psithyrus) sylvestris (Four-coloured cuckoo-bee)
Leon van der Noll: Bombus (Pyrobombus) jonellus (Heath bumblebee)
Leon van der Noll: Bombus (Pyrobombus) jonellus (Heath bumblebee)
Leon van der Noll: Bombus (Pyrobombus) jonellus (Heath bumblebee) / male
Leon van der Noll: Bombus (Pyrobombus) jonellus (Heath bumblebee) / male
Leon van der Noll: Bombus (Pyrobombus) jonellus (Heath bumblebee) / male
Leon van der Noll: Bombus (Pyrobombus) pratorum (Early bumblebee)
Leon van der Noll: Bombus (Thoracombus) muscorum (Large carder bee)