Medicinal Plant Pests

The scientific name Portrioza sinica Yang et Li is Homoptera, Hibiscus family. Alias ​​Huang Yi. Distributed in Ningxia, Gansu, Xinjiang, Shaanxi, Hebei, and Inner Mongolia.

Host locust, sorrel.

Injury characteristics, nymphs in the back of the blade inserted into the leaf tissue, sucking sap, resulting in thin yellow leaves, weakening tree vigor, berry development inhibition, quality decline, resulting in spring branches dry. It is one of the three major pests in production.

Morphological characteristics Adult body length 3.75mm, wingspan 6mm, shaped like a small beak, the whole brown to dark brown with orange-yellow markings. Compound eyes are large, auburn. Antennae base, distal black, yellow; distal tip hairy. A pair of papillary cheeks before the forehead. The thoracodorsal plate is yellow-brown to dark brown, and the scutellum is tan. The legs of the front and middle legs are dark brown and yellow, and the legs of the hind leg are slightly black with yellow. The inner side of the end of the embryonic section has two black punctures and one outer side. The back of the abdomen is brown, with a wax-white cross near the base, which is very eye-catching. It is one of the important features to identify the insect. The end is yellow, and it is brown. The wings are transparent and the veins are simple and yellow-brown. Egg length 0.3mm, long oval, with a fine silky handle, fixed on the leaves, exactly like the grass clear eggs. Orange yellow, short stalk, densely covered in leaves than grass eggs. The nymphs are flat and fixed on the leaves like scale insects. The last instar nymphs are 3mm long and 1.5mm wide. Yellowish at the beginning of hatching, with 2 pairs of brown spots on the back, some with red eyes, body margins with white mane. When the nymph grows, the wing buds appear to cover the front half of the body.

Habits of life in the North 3-4 generations, adults in the clods, trunks, litter layers, bark or wall joints overwintering. When the spring sprouts, they start their activities when they germinate. They lay their eggs on the back or leaves of the leaves and are yellow and densely husked, commonly known as yellow peony. June-July Shengfa, adults often swing from tail to tail, rapidly leaping in the field for a short distance, and secrete honey in the abdomen.

Prevention methods (1) Before the end of fall or winter or before mid-April, irrigation and turning soil will eliminate overwintering adults. (2) In late April, the adult will be sprayed with 25% fluocillin emulsifiable concentrate l000-1500 times or 2.5% Uranus emulsifiable concentrate 3000-4000 times, and each 667m2 will be sprayed with 100L liquid, separated by 10-15 days. Once, control 1 or 2 times. The drug was stopped 7 days before harvest.


We mainly export European Chinese onions, garlic and ginger.

Fresh yellow onion and red onion size 60-80mm 70-90mm 90-110mm 10kg/net bag, 20kg/net bag or 25kg/net bag (2019 new crop onion)

Peeled yellow onion and red onion size 60-80mm 70-90mm 90-110mm 10kg / box, 20kg / box, filled with nitrogen, storage time of 90 days.

Frozen onion, frozen onion cube, frozen onion ring 10kg/box or 20kg/box Save for 2 years.

We also offer garlic, ginger and peeled garlic

Our onions have been sold in the Netherlands, the UK, Poland, and Italy, and the quality is very good.

Looking forward to your response, I am very happy to quote you.


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