(1) Morphological characteristics: Adult worker bees are 25 mm in length, females are 40 mm in length, dark brown in color, yellow in head, and dark brown in tentacles. In the center of the chest and back, there are very small longitudinal grooves, translucent wings, dark brown belly, and the first and second abdomen sections are yellow in the center and at the posterior edge, and they have yellow-brown dark brown hair. Egg white long oval, 1 to 2 mm long, attached to the hive. The larvae are white, and the old larvae are 15 mm in length. The body is fat enough to fix the hive. The white feathers of the naked pheasant become dark brown and fixed inside the hive. The honeycomb is head-shaped and gray-brown. It is made of wood fibers and is suspended at branches, cliffs, etc. It is 20 to 35 cm in diameter and is surrounded by outside. There is only one access hole and there are 6 to 10 layers of beehive inside. The hive of the long-legged wasp is a single-layered bell.
(2) Damage: There are many kinds of wasps that damage grapes, and most of the provinces and cities in China are distributed. Adult worms eat ripe grape fruit and peach, pear, apple and other mature fruits.
The bee is ferocious and touches the hive. There are many mountainous areas, and grapevines, pears, apples, etc., are damaged. During the daytime, it is most prosperous from 10 to 13 o'clock in the morning. The fruit on the grape ear is bitten, the sugar of the pulp is absorbed, and the peel is left.
(3) Control methods:
1 Remove the hive and remove the hive within 1 km of the vineyard. This is the fundamental measure to prevent the wasps from protecting the grapes. In the evening, use bamboo sticks to tie the grass handle, burn the honeycomb, or use a gauze net bag to squat down the beehive, and tie the bag mouth with hot water to burn the wasps.
2 trapping method. Using brown sugar, honey and water (1:1:15) plus a small amount of trichlorfon, placed in a beer bottle, hung in the vineyard to kill the wasp, a bottle can seduce dozens of up to 100.
(2) Damage: There are many kinds of wasps that damage grapes, and most of the provinces and cities in China are distributed. Adult worms eat ripe grape fruit and peach, pear, apple and other mature fruits.
The bee is ferocious and touches the hive. There are many mountainous areas, and grapevines, pears, apples, etc., are damaged. During the daytime, it is most prosperous from 10 to 13 o'clock in the morning. The fruit on the grape ear is bitten, the sugar of the pulp is absorbed, and the peel is left.
(3) Control methods:
1 Remove the hive and remove the hive within 1 km of the vineyard. This is the fundamental measure to prevent the wasps from protecting the grapes. In the evening, use bamboo sticks to tie the grass handle, burn the honeycomb, or use a gauze net bag to squat down the beehive, and tie the bag mouth with hot water to burn the wasps.
2 trapping method. Using brown sugar, honey and water (1:1:15) plus a small amount of trichlorfon, placed in a beer bottle, hung in the vineyard to kill the wasp, a bottle can seduce dozens of up to 100.
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