英:[pə'lɪfəgəs]
美:[pə'lɪfəgəs]
英:[pə'lɪfəgəs]
美:[pə'lɪfəgəs]
adjective
feeding on or utilizing many kinds of food
Greek polyphagos eating too much, from poly- + -phagos -phagous
The first known use of polyphagous was in 1770
1 The pest is polyphagous, has obvious selectivity for hosts and good adaptability to tobacco.
该蝇系多食性害虫,对寄主作物有明显的选择性,对烟草有较强的适应性。
2 Our results have both ecological and evolutionary implications, as retention of memory through metamorphosis could influence host choice by polyphagous insects, shape habitat selection, and lead to eventual sympatric speciation.
3 The polyphagous shot hole borer is thought to have made its way to Johannesburg from Southeast Asia on packing crates or through the trade in plant materials.
4 The polyphagous shot hole borer is about 0.1 inch in length.
5 U.S. Forest Service researchers estimate that the polyphagous shot hole borer beetle could kill 27 million trees in Los Angeles, Orange, Riverside and San Bernardino counties, 38 percent of the 71 million trees in that region.
1 杂食的
2 多食症