The scientific name Oulema tristis (Herbst) is from the order of Coleoptera and Eucalyptus. Alias ​​cornelian, millet negative slime, millet negative slime. Distributed in Heilongjiang, Jilin, Liaoning, Inner Mongolia, Ningxia, Shaanxi, Shanxi, Shandong, Hebei, and Beijing. Nanda along the Yangtze River.
The hosts are millet, millet, wheat, barley, sorghum, corn, and upland rice.
Injury characteristics, larvae are all harmful. Adults feed on leaf veins along the veins and become white strips without eating the lower epidermis. The larvae penetrated into the sweet-smelling leaf of the heart and leaves, and the leaves were now full of white strips of food marks, causing the coke on the leaves to appear and the dead heart seedlings appearing.
Morphological characteristics Adult body length 3.5-4.5mm, width of about 1.6-2mm, dark blue body with metallic luster. The chest is long and slender, resembling a bell-like shape. There are 10 longitudinal rows of engraved dots on the elytra, blue-blue, small scutellum, pronotum, and ventral blue steel. The base half of the antennae is thinner than the end. brown. The foot is yellow, the base section is blue, the former fiscal festival is dark brown, and the prosthodontic plate is longer than wide. The base and horizontal concave are prominent. There is a short longitudinal concave at the center. The engraved dots are dense on both sides and in the base concave. Coleopterygium flat, slightly engraved at the base, engraved in longitudinal grooves at each line. Egg length 0.8-1.5mm, oval, yellow. The last instar larvae are 5–6 mm in length, cylindrical, with a slightly enlarged abdomen and a raised dorsal plate. The head is tan, chest and belly are white and yellow. Mouthparts, monocular dark reddish-brown. The front thoracodorsal plate has 1 row of irregular black-brown dots, and brown, short thorns are produced in the mid and back chest and abdomen. Naked cubs are 5mm long and yellow-white.
Living habits are born in the north for 1 generation. Adults lurk in the valleys, cracks in field ridges, under the weeds of grass, or weeds in the rhizosphere and in the soil. In May and June of the following year, the adult insects fly out of the area and eat, damage, or coexist. They are particularly active at noon, and they have a pseudo-dead and phototaxis. In early June in the spawning season, the eggs are spawned on the back of 1-6 leaves, 2-3 leaves are the most, and the egg period is 7-10 days. Newly hatched larvae often gather together to feed on the leaves. Fetus, larvae were a total of 4 instars, the duration of more than 20 days, after the old mature climbed to the soil in 1 once for phlegm and earthworms, smashed with fine soil, like earthworms, flood season 16-2l days. Feathered adults enter the overwintering state in mid-September. The worms were vulnerable to drought or dry years in dry or sloping lands in droughty or dry years. Early sowing of Spring Valley delayed the sowing of the valley and the heavy land was heavier than the rotation.
Control methods (1) Agricultural control. Rational rotation, to avoid re-opening, autumn plowing land preparation, clearing the field weeds, timely sowing. (2) Seed dressing with 35% carbofuran gum suspension or 50% methamidophos EC or 50% methyl 1605 EC before sowing at a seed weight of 0.2%. It is also possible to treat the soil with 2% of 3% diamidium granules per 667 m2 at the time of sowing. (3) Spray 2.5% trichlorfon powder or 1.5% methyl parathion powder or 3% propanil powder, 1.5-2kg per 667m2. (4) Spray 5% Cypermethrin Emulsion 3000 times or 5% Lelifering Emulsion 2000 times, 25% Chryseneum Ester Emulsion 1500 times, 2.5% Bromine when the millet is 4-5 leaves after emergence. Cypermethrin EC is 2500 times liquid, and 75L of liquid medicine is sprayed on every 667m2.
Electric Operating Table Adopt imported TIMOTION electric push rod as the power source for the operation tables. Adopt German imported STABILUS as the power source of the operation beds; Operation beds adopt medical grade 304# full stainless steel materials; Full set of micro electric control system for ot table with low noise, overload protection, safty reliablity; TheElectric Operating Table entire table of operating table can move forward and backward to realize full position C-arm and X-ray radiography;
Electric Operating Table
Electric Operation Table,Electric OT Table,Electric Surgery Table,Electric Surgical Table
Shandong Lewin Medical Equipment Co., Ltd. , https://www.lewinmed.com