In the Jiao Yulu Cadre College in Lankao County, Henan Province, dozens of paulownia tree trunks are hung with a small "cage", close look at the original tulip cocoon, after feathering is the famous Zhou's small bee.
Zhou's wasp, is a kind of dominant parasitic wasp of the genus Ji Xiao wasp family, high parasitic rate, strong fertility, the American white moth and other lepidopteran pests "have a special love", can stab the egg layer into the American white moth and other pest pupae, and develop and grow in the pupa, suck up all the nutrients in the parasitic pupa, known as the "forest guard" reputation.
The American white moth, also known as the American lamp moth, autumn caterpillar, autumn curtain moth, belongs to the Lepidoptera lamp moth family, and is a worldwide quarantine pest. It mainly harms fruit trees and street tree ornamental trees, especially broad-leaved trees, which cause serious harm to crops, trees and fruit trees, etc., and has been listed as the first batch of invasive alien species in China.
According to the staff of the Logistics Department of Jiao Yulu Cadre College, this protective measure was tried last year, and the effect is very significant, due to the Zhou's bee, the American white moth in the hospital has disappeared.
Pictured: Paulownia trees in Jiao Yulu Cadre College in Lankao County, Henan Province, catching up with the hanging Cocoon of Zhou's Little Wasp.