Prevention and control of edible fungi diseases, prevention and control of edible fungi diseases and insect pests
The adult is black, glossy, elliptical, 0.8 - 1.2 cm long and 4.5-6.0 mm wide. Angles 11, eyes concave, reniform. Prothorax is too long, densely dented, leading edge slightly concave; trailing edge slightly convex.
The front edge of the web is densely populated with short tan hairs in a row. The scutellum is approximately isosceles triangular. Coleoptera long ovoid, each coleoptera surface by the thick point formed 9 rows of longitudinal grooves. 3 pairs of feet are almost equal in length, leg segments have small carved points, tibia and attached segments densely brown hair, tibia end has 2 brownish black distance, a pair of claws. Abdominal 5, the first, the middle of the second section has brown micro-hair, 5-node end densely born a row of brown hair larvae 14~16 mm long, body width 1.8~2.0 mm, hard body wall, brown back, abdomen light brown, head brown, black brown upper jaw, antenna below to the upper lip with a row of "U"-shaped white hair, abdomen can be seen 9, 1-8 on both sides of a pair of gas door. The internode membrane at the end of each node forms a transverse band by minute longitudinal striations, and there are shining longitudinal striations at the end of each node on the ventral surface.
Harm symptoms: adult crawling fast, not good at flying, after being frightened there is a phenomenon of suspended animation, afraid of light and wet, often frequent night activities, feeding on bacteria meat, the victim of mushrooms and agaric was carved or nibbled. Larvae often harm young ears, young mushrooms, causing young ears to die.
Control methods: artificially kill adults and larvae at any time when picking ears and mushrooms, spray insecticides on ear and mushroom fields once a year from March to April to reduce insect sources, spray 2.5% deltamethrin, 40% omethoate, 80% dichlorvos or 500~1000 times crystal trichlorfon at the overlapping peak of new and old adults from May to June, spray once every 10 days, and the control effect is good.
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