四川花生蛴螬种类调查及优势种群生物学特性研究

Studies on peanut tumblebug larva species and biology characteristics in Sichuan

本文记录了四川危害花生的蛴螬32种,明确了区域性优势种群和全省性优势种群:陀江中下游花生蛴螬优势种群是暗黑鳃金龟(Holotrichia parallela),涪江中上游为灰胸突鳃金龟(Hoplosternus incanus),全省花生蛴螬优势种群是暗黑鳃金龟。同时,对暗黑鳃金龟的生活史,各虫态历期及环境对种群数量的影响作了较详细的报道。

32 kinds of peanut tumblebug larva were recorded in this paper. The regional superiority and whole province superiority were made clear： the regional superiority of peanut tumblebug larva in Tuojiang＇s middle and south parts is Holotrichia parallela and Hoplosternus incanus in Hujiang＇s middle and north parts. The superiority population of Sichuan province is Holotrichia parallela .Life cycle,each age＇s period of Holotrichia paraUela and effect of environment on plant＇s quantity were reported in detail in this paper.