Mulberry Mulberry
The scientific name Dip10sis morivorella Naito belongs to the Diptera, Anisidae. Alias ​​black mulberry mosquito. Distribution Hebei, Zhejiang, Shandong, Anhui and other provinces. In recent years, Liaoning and Jiangsu have also discovered.
The main sang.
Injury characteristics The larvae feed on the leaf veins of mulberry leaves, causing mulberry leaves to produce white uplifted larvae, affecting the yield and quality of mulberry leaves, and the severe mulberry garden leaf worms rate as high as 90%.
Morphological characteristics Adult body length 2 - 2.5mm, slightly smaller males. Female adults are red, male adults are dark red and black. The head is small, slightly pear-shaped. The compound eye is kidney-shaped, large and black, accounting for more than half of the head. Antennae gray-brown, bead-like, short-stemmed black bristles close to the antennae. The forewings are colorless and transparent, with curved hairs on the wings. The foot is gray-brown and extremely long. The ganglion is densely covered with scales and scales. The claws are long and short. Egg length 0.4mm, slender oval, orange-red, shiny surface. The last instar larvae are oval in shape, slightly flat, 4 mm in length, and have no feet. The larvae parasitizing in the leafhoppers are orange-red, and the posterior lightness becomes lighter, light yellow at the second instar, and orange at the third instar. Shortly after the larvae are harmed, the mulberry leaves around the larvae thicken to form worms that enclose larvae. The insects are light green and long. It is 2.5mm long, orange-red at the beginning, and dark reddish afterwards.茧 near long oval, white.
Life habits are unknown in the annual generation, overlapping generations. Two to three generations occurred between June and August, and insects were still visible at the end of October. Adults live for 1 day, eggs for 2-3 days, larvae for 12 days, and pupa for about 12 days. It takes about 27 days to complete a generation.
Control methods (1) Remove pests and leaves in time and burn them together. (2) When necessary, spray 50% of acaricidal pine oil 1000 times, 48% of chlorpyrifos EC 1300 times, and 10% of imidacloprid WP 2000 times.
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