An device for diagnosis and control of honeybee varroatosis (Varroa mite infection) comprises one or several cameras (310), connected to image processor (311). The software of the device is capable of processing the picture of honeybee, recognition the presence or absence of varroa mite on the body of the bee on the field-of-view of the cameras or in the chamber for observation, counting the infected and non-infected bees, separating the infected bees from non-infected bees or killing the recognized varroa mites. Controlled gates (314, 315, 316), valves, positioning actuators and/or heaters (329, 330) are used as output devices for realization of the said actions. The method of image processing for recognition of varroa mite or other parasites comprises of searching reflections in the image and analysis of the surroundings of the found reflections. Also the method for determination of location of body elements of insect in an image is disclosed.
