Soybean meal

The scientific name is Etiella zinckenella Treitschke Lepidoptera. Alias ​​bean meal, soybean meal, soybean meal, artichoke moth, carp moth. Distribution has not been reported in Tibet, but all other provinces and regions are distributed.

Host soybeans, kidney beans, peas, beans, lentils, green beans and other legumes.

Damage to the larvae affects the yield and quality.

Morphological characteristics Adult body length 10-12mm, wingspan 20-24mm. The head and chest are brownish-yellow, with yellowish fore wings, a white pattern along the front edge of the wings, a horizontal line of brown, red, and golden bands on the interior side of the forewings; grayish white wings and darker edges. Egg oval, about 0.5mm long, irregularly reticular pattern on the surface of the egg, first milky white, then turn red and yellow. The larvae were 5 instar, and their body length was 0.6-2,2-6,6-9,9-13 and 14-18 mm. It was yellow at the beginning, green at the back, and purple on the back of the old one. There was a “human” shape black spot near the center of the front edge of the prosthodontic plate. There were dark spots on both sides and two dark spots on the center of the trailing edge. The valve is black and the ventral toe hook is a double-ringed ring. The dragonfly is 9-10mm long, yellow-brown, with 6 hips.

Habits This species mainly harms soybeans (soybeans), and it only harms the vegetable fields in parts of the country. Occurred in Guangdong for 7 generations, there is no obvious winter phenomenon. From April to May, he harmed soybeans, and from June to September he injuried the beans and green legumes. From October to November, he attacked soybeans again. Usually in the autumn, especially under drought conditions, there are many occurrences and the damage is heavier. Adults emerge at night, eggs are produced on the petal or tender English, scattered or a few grains together, each female can produce 80-90 capsules. After hatching, the larvae first spit a silk sac on the gills, then enter the gills and bite the seeds. Mature larvae land on the topsoil for pupa. The egg period is 3-6 days, and the larval period is 9-12 days. The adult life span is 6-7 days. Prevention methods (1) Remove flowers and fall from the field in time, remove the wounded leaves and beans, and reduce the source of insects; (2) Set up black light in the bean field to trap and kill adult insects; (3) Chemical control: use extermination and killing ( 21% synergistic cyanmar emulsion) 6000 times, 40% fenvalerate 3000 times or 2.5% deltamethrin 3000 times, starting from bud, spraying and flowering once every 10 days, Can control the damage, if you need to cure other pests, it should be a comprehensive spray.

Corn Gluten Feed 18% ;Distillers Dried Grains with Solubles 26%;Corn Gluten Meal 60%