The machine comprises a motorized framework comprising a unit in the form of a suction head for harvesting the pollens, a separation unit (7) in the form of a cyclone forming a suction fan, a unit in the form of a hopper for recovery of pollens and a unit for freezing the pollen collected in the funnel-like recovery unit. An insulation is disposed around the hopper recovery unit. The hopper recovery unit further comprises a trap for the introduction of dry ice and liquid nitrogen, where the bottom of the recovery unit comprises a trap door. The machine comprises a motorized framework comprising a unit in the form of a suction head for harvesting the pollens, a separation unit (7) in the form of a cyclone forming a suction fan, a unit in the form of a hopper for recovery of pollens and a unit for freezing the pollen collected in the funnel-like recovery unit. An insulation is disposed around the hopper recovery unit. The hopper recovery unit further comprises a trap for the introduction of dry ice and liquid nitrogen, where the bottom of the recovery unit comprises a trap door. The suction head includes an assembly of hoods each having a first truncated portion extending between a connection opening to the rest of the machine circuits and a polygonal or square base. The hoods are disposed in the form of a suction ramp (3) carried by a fork (2) adjustable in position, height and angle and attached to the front of the machine.Cette machine de récolte de pollens du type comportant un châssis motorisé (1) sur lequel sont montés des moyens (3) en forme de tête de récolte par aspiration des pollens, raccordés à travers des moyens (7) en forme de cyclone de séparation à des moyens (8) formant ventilateur daspiration, les moyens (7) en forme de cyclone étant associés à des moyens (9) en forme de trémie de récupération des pollens, est caractérisée en ce quelle comporte des moyens de congélation des pollens récoltés dans les moyens (9) en forme de trémie de récupération.
