广聚萤叶甲Ophraella communa LeSage属鞘翅目Coleoptera、叶甲科Chrysomelidae、萤叶甲亚科Galercinae,是恶性入侵杂草——豚草Ambrosia artemisiifolia的专一性天敌(Guo et al.,2011;Zhou et al.,2014)。广聚萤叶甲卵粒呈梨形,淡黄色...广聚萤叶甲Ophraella communa LeSage属鞘翅目Coleoptera、叶甲科Chrysomelidae、萤叶甲亚科Galercinae,是恶性入侵杂草——豚草Ambrosia artemisiifolia的专一性天敌(Guo et al.,2011;Zhou et al.,2014)。广聚萤叶甲卵粒呈梨形,淡黄色至橘黄色,卵壳表面具多角形刻纹,聚集排列;幼虫共3龄,初孵幼虫体色较暗,蜕皮后颜色较淡,3龄幼虫体色偏淡褐色,幼虫在3龄末期开始结茧,茧淡褐色。成虫体色黄褐色,头部背面中央具一条黑色纵带,前胸背板有3个常连在一起的黑褐色斑,鞘翅背面具多条黑色纵条纹,其中2条特别明显(张丽杰等,2005)。幼虫或成虫聚集在豚草幼嫩叶片上取食,老熟幼虫在叶片上或分叉处结茧化蛹(孟玲和李保平,2005;周忠实等,2015)。在秋季末期,成虫体内积聚脂肪、甘油等耐寒性物质,交配后在豚草枯枝落叶下的浅土层中越冬(Zhao et al.,2019)。展开更多
IN the courtyard of Beijing Ren-chuang Technology Co., Ltd. the ground is covered with colorful water-permeable bricks — the same bricks that have been used in Olympic venues such as the "Bird’s Nest," &qu...IN the courtyard of Beijing Ren-chuang Technology Co., Ltd. the ground is covered with colorful water-permeable bricks — the same bricks that have been used in Olympic venues such as the "Bird’s Nest," "the Water Cube" and Shunyi Olympic Rowing-Canoeing Park. Ren-chuang is located in an展开更多
文摘广聚萤叶甲Ophraella communa LeSage属鞘翅目Coleoptera、叶甲科Chrysomelidae、萤叶甲亚科Galercinae,是恶性入侵杂草——豚草Ambrosia artemisiifolia的专一性天敌(Guo et al.,2011;Zhou et al.,2014)。广聚萤叶甲卵粒呈梨形,淡黄色至橘黄色,卵壳表面具多角形刻纹,聚集排列;幼虫共3龄,初孵幼虫体色较暗,蜕皮后颜色较淡,3龄幼虫体色偏淡褐色,幼虫在3龄末期开始结茧,茧淡褐色。成虫体色黄褐色,头部背面中央具一条黑色纵带,前胸背板有3个常连在一起的黑褐色斑,鞘翅背面具多条黑色纵条纹,其中2条特别明显(张丽杰等,2005)。幼虫或成虫聚集在豚草幼嫩叶片上取食,老熟幼虫在叶片上或分叉处结茧化蛹(孟玲和李保平,2005;周忠实等,2015)。在秋季末期,成虫体内积聚脂肪、甘油等耐寒性物质,交配后在豚草枯枝落叶下的浅土层中越冬(Zhao et al.,2019)。
文摘IN the courtyard of Beijing Ren-chuang Technology Co., Ltd. the ground is covered with colorful water-permeable bricks — the same bricks that have been used in Olympic venues such as the "Bird’s Nest," "the Water Cube" and Shunyi Olympic Rowing-Canoeing Park. Ren-chuang is located in an
