Medicinal Plant Pest Rosin Leaf Bee

The scientific name is Megachile pannosa Hymenoptera, Lepidoptera. Distribution of Beijing, Hebei, Taiwan and other places.

The host rose, rose, Rongli and other sheltered plants and orchids.

Injury characteristics Leaf-cutting bees cut the leaves neatly with mouthparts to form circular-to-elliptical cuts with a diameter of 1-2cm, and the cut edges are quite tidy. The cut leaves are used to build nests, eggs are laid in nests, and they hatch into adults.

The morphological characteristics of adults like honeybees, two pairs of wing membranous. Larvae are light yellow and many-footed. Most of them are separated from each other, and they are thin and silky.

Living habits: Adults were seen in late June in Beijing. In early July and early August, they entered the peak period of their lives. They were the Chinese rose, rose, and jasmine. In late September, the mature larvae began to winter in the quail. The worms lived in groups during the winter. In dry wells or other buildings, sometimes there are several dry honeycombs in a dry well.

Prevention methods (1) Pay attention to the inspection of the local wintering beetle sites and focus on extermination. (2) During the occurrence period, spray 40% Dimethoate EC 1000 times or 2.5% deltamethrin EC 2500-3000 times, and 25% ECS 1500 times.

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