常見例句Effect of Atmospheric Pollution on Phytophagous Insects and Its Mechanism. 大氣污染對植食昆蟲的影響及作用機制。The species number of phytophagous,predatory,parasitic and spider groups was 30,8,10 and 20 respectively. 植食性、捕食性、寄生性昆蟲和蜘蛛的物種數(shù)分別為30、8、10和20。In addition, the plant reduces speaking of these phytophagous animal also lacks food origin. 此外,植物減少對那些食草類動物而言也缺少食物來源。There are lots of factors causing infestation of phytophagous pests and changes of dominate species in the apple orchards. 摘要蘋果園內植食性昆蟲種群數(shù)量的上升和主要種類的變替,原因是多方面的。The larva and diet of phytophagous coccinellids indicate that that they are the most ancestral group of Coccinellidae evolving from ancestors like chrysomelids. 無論從幼蟲形態(tài)還是食性來看,植食性瓢蟲都是瓢蟲科最原始的類群,有可能最早從葉甲類昆蟲進化而來。Transgenic insect-resistance hybrid poplar 741 had negative effect on target and non-target phytophagous pests, but had positive effect on natural enemies and neutral arthropod. 研究表明,轉基因741楊對目標昆蟲和非目的植食性害蟲存在負效應,而對天敵和中性節(jié)肢動物組成和發(fā)生無明顯負作用。 返回 phytophagous