Nahaufnahme der Handaufnahme einer Gruppe von Raupen im Puppenstadium auf einem Blatt mit leichtem Mehltaufaden, das von einem Lehrer im Garten für den Biologieunterricht im Freien vorgeführt wird - 4K Stock-Video

Close up handheld shot at a group of caterpillars in pupa stage on a leaf with slight filament of powdery mildew being demonstrated by a teacher in the garden for Biology outdoor class. The green and brown insects' growth was explained while being held and turned gently on the instructor's hand. Their difference and development were pointed out thoroughly through the lesson