leaf-eating
1.Illiberis ulmivora Graeser is an important leaf-eating pest of elm tree in Shanxi province.
2.any of various large usually brown North American leaf-eating beetles common in late spring; the larvae feed on roots of grasses etc..
3.So we measured the white elm tussock moth, an important poplar leaf-eating pest of the Northwest region, studied the energy flows and revenue and expenditure law systematically in its whole life history.
5.The biological determination of active substances extracted from ailanthus tree (Ailan-thus altissima) and bitter chinaberry tree showed that the extractions from skin,leaf and hadromestome of two species of trees using ether and water which had been daubed into trunk of tree had remarkable effects on the eating,carving trough,depositing of adult of capricorn beetle.
6.Effects of different O3 concentrations( A, 8.93× 10- 9 mol· L- 1; B, 4.46× 10- 9 mol· L- 1; C, 2.23× 10- 9 mol· L- 1; CK1, ≤ 4.46× 10- 10 mol· L- 1; CK2, environment atmosphere O3 concentrations roughly equivalent to 1.12× 10- 9mol· L- 1～ 1.79× 10- 9 mol· L- 1) and different O3 exposure durations( fumigating 5 d? 10 d? 15 d) and O3 stress / relieve on eating- leaf cole were investigated, using 5 farmland open top chambers OTC- 1 that are same in size and structure.
