福建农林大学学报（自然科学版）2025，Vol.54Issue(3)：309-316,8.DOI:10.13323/j.cnki.j.fafu(nat.sci.).202406035
花绒寄甲自然种群和商品化种群的发育特性及性别鉴定
Developmental characteristics and sex identification of natural and commercial populations of Dastarcus helophoroides
摘要
Abstract
[Objective]Differences in the developmental characteristics and morphological characteristics of female and male adults between natural and commercial populations of Dastarcus helophoroides were explored,so as to provide the basis for effective rejuve-nation of the population and reasonable release in the forest.[Method]The growth and developmental characteristics of natural and commercial D.helophoroides populations at all stages were compared on 5 external morphological characteristics and genital structures under stereomicroscope,which included elytra terminal angle,the angle of anal plate apex,inflection point on both sides of anal plate,the ratio of length to width of anal plate,and the groove of anal plate.[Result]There were significant differences in egg and pupae duration between the two populations,which the natural population had significantly longer durations of larval,pre-pupal and pupal periods,and significantly higher egg hatching rate,larval survival rate,pupa length,pupa width and pupa quality than those of the commercial population.When a single feature was used for sex identification,the highest accuracy was acchieved based on the angle of anal plate apex or the ratio of length to width of anal plate with 86.67％;when multiple features were used for sex identifica-tion,the highest accuracy was arrived based on the combination of the angle of anal apex angle and the ratio of anal length/width with 88.33％.[Conclusion]The stage of egg to pupa of the commercial D.helophoroides population was shorter than that of the natu-ral population,and some of the features were even degraded.And nondestructive sex identification based on the angle of anal plate apex and the length/width ratio of anal plate is reliable.关键词
花绒寄甲/生物学特性/发育历期/成虫/性别鉴定Key words
Dastarcus helophoroides/biological characteristics/developmental period/adult/sex determination分类
林学引用本文复制引用
汪乾,陈坚,赵真辉,周友军,刘萌霞,梁光红..花绒寄甲自然种群和商品化种群的发育特性及性别鉴定[J].福建农林大学学报（自然科学版）,2025,54(3):309-316,8.基金项目
国家自然科学基金青年基金项目(32301602) （32301602）
福建省林业科技推广项目(2023TG16). （2023TG16）
