The tea-winged cricket, commonly known as the odoriferous worm, mainly harms the pear fruit. Zoysiagrasses are warm season grasses native to China, Japan and other parts of Southeast Asia. The species was named to commemorate an 18th century Austrian botanist, Karl von Zois. In 1911, Zoysia matrella was introduced into the United States from Manila by a U.S.D.A. botanist, C. V. Piper. Because of its origin the grass was commonly called Manila grass.
The third species of Zoysia used for turf is called Korean velvet grass or Mascarene grass, Zoysia tenuifolia. It is a very fine textured species, but is the least cold tolerant of the three species. Zoysia tenuifolia is native to the Far East and was introduced in the U.S. from the Mascarene Islands. In the U.S. it is used in southern California as a low growing ground cover.
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Occurrence characteristics: Adults and nymphs sucking pear fruit, victimized wood, increased stone cells, uneven surface, the formation of avocado. The tea-winged pheasant occurs in 1 year in Liaoning and winters as adults in wall joints, stone seams, haystacks, vacant rooms, tree holes, etc. In the middle and early May of the following year, the outbreak began. The first focus was on cloves, mulberry trees, and other trees. In mid-to-late May, they moved into the pear garden. Adults began to spawn in early June until mid-August, and eggs ranged from 5 to 8 days. After hatching, the nymphs lay on the egg shells first and they liked to cluster activities near the egg masses. They dispersed after 3-5 days. They appeared in mid-July and late July, and they flew to wintering grounds from late September to early October.
Control methods
1 Manually kill. In the spring and autumn, the wintering and newly emerged adults were manually killed in overwintering sites. Eggs were removed and clustered young nymphs were removed during egg formation and destroyed centrally.
? 2 chemical control. In the middle of June to the beginning of August, the most severely harmed tea-winged crickets was sprayed on the trees. The agent can be selected from 48% of Loester EC 1 000 times, or 20% of Fenvalerate EC 2 000 times, or 2.5% of Kung Fu EC or 2.5% of EC 2 5000-3 000 times .
Piper described the grass as abundant on or near the seashore in the Philippine Islands. When closely clipped, it made a beautiful lawn according to Piper's notes. He suggested that the grass had unusual promise as a lawn grass along the Gulf Coast and Atlantic coast of Florida.
Zoysia japonica, sometimes called "Japanese lawn grass" or "Korean lawn grass", is a coarser textured, but more cold hardy species than Zoysia matrella. Zoysia japonica was introduced into the United States in 1895 from the Manchurian Province of China. In the United States, Zoysia japonica could be expected to do very well as far north as Maryland. It is a seeded variety of Zoysia.
