Place in freezer for 48 hours. Place in oven at 120 degrees F. for 30 minutes. After treatment, bring to room temperature and seal in jars or other containers. Q. I have small black insects with shiny wings all over the underside of my bean leaves. These small black insects are aphids.
Heavy infestations stunt plants, cause deformed growth and reduce yield.
Control these pests by applying a labeled insecticide. I need to know what they really are and how to grow them. The Mexican jumping bean gets its name because it jumps and rolls from side to side. Its movement is caused by the full-grown larva of a certain moth named Laspeyresia saltitans, which lives inside the bean. Jumping beans belong to the spurge family Euphorbiaceae and grow in Central and South America.