A Preliminary Survey of the Insects Pesting the Tropical Forage Crops of Hainan Island
QIN Xin-dao~1ZHOU Xiang~2HE Hua-xuan~1ZHANG Fang-ping~3YI Xiao-ping~1CAI Bi-yun~1 (1.Institute of Agriculture and Animal Husbandry, CATAS, Danzhou,Hainan 571737, China; 2.Plant Protection College, SCUTA, Danzhou, Hainan 571737, China; 3.Institute of Plant Protection, CATAS, Danzhou, Hainan 571737, China)
To ascertain the species, geographical distribution, and harmful extent of the injurious insects to the tropical forage crops, a preliminary survey of the insects swarming the cultivated tropical forage or crops was conducted in Hainan island during 1988～2002. Forty-one species of destructive insects belonging to 31 familis of 7 orders, and 5 species of 4 genuses of acarids were identified. The dominant species plaguing the Hainan tropical forage crops are Heteropsylla cubana, Haplothrips chinensis, Mythimna separata, Frankliniella intonsa, Patanga succincta, Bruchus sp., and Tetranychus sp. and others.