Spatial distribution patterns of the leaf beatle, Ophraella communa, in the recipient area of China
Author of the article:MENG Ling;XU Jun
Author's Workplace：Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
Key Words：Ophraella communa;Ambrosia artemisiifolia;spatial pattern of distribution;negative binomial distribution; optimal sample size;weed biological control
Abstract：The leaf beetle, Ophraella communa LeSage, is a accidentally introduced, special herbivore of the alien invasive weed, Ambrosia artemisiifolia L. To understand its dispersion in the new recipient environment, the observed frequency distribut