1) half shell
半介壳
2) hemispherical dielectric shell
半圆形介质球壳
3) Hemitenuostracus
半窄带壳叶肢介属
5) scales
[英][skeɪl] [美][skel]
介壳虫
1.
Through investigation and reseach of scale insects in furit trees for several years in Kashi,the results showed that main scales were Pseudaulacaspis pentagona(Targioni-Tozzetti),Parlatoria oleae(Colvee),Parthenolecanium corni(Bcuche),Rhodococcus turanicus Arch,Eulecanium giganteum(Shinji).
通过几年来对喀什果树上的介壳虫调查研究,明确了果园主要介壳虫有桑白盾蚧、橄榄片盾蚧、吐伦球坚蚧、糖槭蚧、枣球蜡蚧。
6) Scale insect
介壳虫
1.
An expert consultation system on the pest integrated management of landscape scale insect;
园林介壳虫综合治理信息咨询专家系统
2.
Recently, a scale insect was outbreak in Xishuangbanna rubber plantation of Yunnan province.
近年来,在云南西双版纳地区大面积暴发流行橡胶介壳虫为害,根据其雌成虫的形态特征,确定为橡副珠蜡蚧(Parasaissetia nigra Nietner),属同翅目,蚧科,副珠蜡蚧属(Parasaissetia Takahashi)。
3.
Effects of different insecticides on preventing and controlling scale insects of fruit trees show: 40% Supracide emulsifiable solution, 40% methidathion emulsifiable solution, 48% Lorben emulsifiable solution have good prevention and control effect on winter nymph of scale insect of fruit trees .
通过不同杀虫剂对果树介壳虫的防效试验结果表明,40%速扑杀乳油,40%介克特乳油,48%乐斯本乳油对果树介壳虫越冬若虫防效好,在施药后25d防效分别达91。
补充资料：半圆
①圆的直径的两个端点把圆周分成两条弧，每一条弧叫做半圆。②半圆（弧）和直径所围成的平面。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条