by Cristian Solari
0 
Bombylius venosus (+) Pollination (+) Ranunculus gramineus
Observation
Bee fly (Bombylius venosus) opening the lamellae of mouthparts to grasp pollen grains from a Ranunculus gramineus flower. This operation takes ~0.15 secs and is invisible to the naked eye, thus the generalized mistake that these flies visit flowers for nectar alone
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