樟子松梢斑螟幼虫众数龄数及生活史的初步研究  被引量:1

Age and Life History of Larvae of Diocryctria mongolicella

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作  者:闫敦梁[1] 焦书山 李文艳[1] Yan Dunliang;Jiao Shushan;Li Wenyan(Academy of Forest and Environment of Heilongjiang Province,Qiqihar161005,China Administration of Honghuaerji Pinus sylvestris var.mongolica Forest National Nature Reserve in Inner Mongolica)

机构地区:[1]黑龙江省森林与环境科学研究院,黑龙江齐齐哈尔161005 [2]内蒙古红花尔基樟子松林国家级自然保护区管理局,内蒙古呼伦贝尔021112

出  处:《防护林科技》2018年第11期42-44,共3页Protection Forest Science and Technology

基  金:国家重点研发计划项目(2018YFD0600203);黑龙江省林业厅计划项目(201405)

摘  要:通过对樟子松梢斑螟幼虫众数龄数及生活史的调查研究,结果表明:樟子松梢斑螟幼虫众数龄期为6龄,幼虫头宽值分别为:1龄0.2~0.5mm,2龄0.5~0.8mm,3龄0.8~1.1mm,4龄1.1~1.4mm,5龄1.4~1.8mm,6龄1.8~2.3mm。以各龄期幼虫混合越冬,蛹期从5月中旬至8月下旬,羽化期从5月末至9月初,蛹期和成虫期达3个月以上。Mode, instar &life history of larvae of Diocryctria rrlongoliceHa were investigated. Result shows that the larvae of Diocrycmia mongolicella are 6 years old, and the values of head &width of larvae are about: 1 Age 0.2 0. 5 mm, 2 nd age 0.5 0.8 mm, 3 rd age 0.8 1.1 ram, 4 thage 1.1 1.4 ram, 5 thage 1.4 1.8 ram, 6 thage 1.8 2. 3 mm. The larvae at each age are mixed and overwintered. The flood season is from mid May to late August, and the emergence period is from the end of May to the beginning of September;the flooding & adult stages are more than three months.

关 键 词:樟子松稍斑螟 众数龄数 生活史 

分 类 号:S763[农业科学—森林保护学]

 

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