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白杨透翅蛾(Paranthrene tabaniformis Rott)既是危害杨树的主要蛀干害虫,又是苗圃的主要国内植物检疫对象。由于昆虫生物学特性和环境因素的综合作用,使白杨透翅蛾在辽西地区危害严重,对培育杨苗和发展杨树速生丰产林构成一大威胁。国内对白杨透翅蛾生物学特性、发生规律、防治措施早有研究,但其分布型还未见报道。作者在对其在苗圃自然种群调查的基础上,依据频数分布和一些聚集指标,用微机测定
Paranthrene tabaniformis Rott is not only the main insect pest of poplar but also the main domestic plant quarantine object of nursery. Due to the combined effect of insect biological characteristics and environmental factors, Populus tomentosae is seriously endangered in western Liaoning and threatens the cultivation of poplar and poplar fast-growing high yield forests. The domestic poplar moth biological characteristics, occurrence, prevention and control measures have long been studied, but its distribution has not been reported. Based on the investigation of its natural population in nursery, the author uses the computer to determine the frequency distribution and some aggregation indexes