Study on Biological Characteristics of Trichagalma acutissimae in Yantai
WANG Chuanzhen
ZHONG Kai
XU Jie
WANG Yanhong
SUN Yuhang
YANG Xiaoyan
SUN Qian
LIU Ruizhen
Abstract：Both field survey and laboratory rearing were used to observe and investigate the morphological and biological characteristics of Trichagalma acutissimaeon Quercus acutissima in Yantai.T.acutissimae has two generations per year,including the sexual generation and asexual generations.The sexual generation occurs on the male inflorescence from April to May,and the asexual generation occurs on the leaves from June to September.The most sexual generation overwinters within the flower buds on the stage of egg,while a few overwinters within galls that shed in the deciduous layer on the stage of asexual larvae or pupae.
Keywords：Trichagalma acutissimaemorphological characterbiological characteristicslife historylife habits
Publication Date：2023-12-28
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：5( 66-69,84 )