crochet

In addition,the relation of the number of crochets in anal-legs,the length of prothorax lateral seta and the size of abdominal prolegs were studied in different instars larvae,the results s.

通过测量沙棘木蠹蛾Holcocerus hippophaecolusHua,Chou,FangetChen幼虫的头壳宽、体长、体宽、上颚长和宽等指标,确定其幼虫共有16龄,不同龄幼虫的头壳宽值符合Dyar氏发现的幼虫头壳宽增长规律。

In order to investigate the protein differences of mandibular glands between three castes of Apis cerana cerana and A.

上颚腺是蜜蜂重要的外分泌腺,其分泌物在蜂群生活中有重要调控作用。