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infestation造句
61. Parts of California are suffering from an infestation of oriental fruit flies. 62. The occurance of Melampsora rust on poplars in Shanghai was studied. The sprouting and infestation of uredinia and telia of the pathogen were tested. 63. Alternanthera philoxeroides infestation was quite serious in water environment, especially in canals and ponds, but slight in dry environment and paddy field. 64. The goal of this study was to compare the diagnostic accuracy of visual inspection vs wet combing in the detection of head lice infestation. 65. At 5 primary schools in which head lice infestation was epidemic, 304 students aged 6 to 12 years were evaluated for the presence of nymph, adults, and nits. 66. Human demodex is a conditioned parasite with high infestation rate. 67. These suggest that N. lugens infestation levels influence the host preference and performance of the parasitoid.