摘要
通过对窿缘桉Eucalyptus exserta和巨园桉E.grandis×E.tereticornisDH201-2上1 200头桉树枝瘿姬小蜂Leptocybe invasaFisher&La Salle连续2个月的观察,发现桉树枝瘿姬小蜂成虫雄性比例达到18%~48%,比报道的0.5%~0.8%(即雄雌性比1/195~1/124)高17.2%~47.2%,其比例在不同桉树品种和不同时间差异极显著。
Observation on 1 200 adults of Leptocybe invasa Fisher La Salle from Eucalyptus exserta and E.grandis×E.tereticornis DH201-2 was made for two months.The result showed the ratio of male adults was between 18% and 48%,17.2%-47.2% higher than the reported 0.5%-0.8% which meant the sex ratio of male to female was 1 to 195-1 to 124.And the male ratios in different species of eucalyptus and time were significantly different.
出处
《中国森林病虫》
北大核心
2010年第5期21-22,18,共3页
Forest Pest and Disease
基金
广东省教育厅人才引进基金专项4400-209012
关键词
桉树枝瘿姬小蜂
雄虫
窿缘桉
巨园桉DH201-2
Leptocybe invasa
male
Eucalyptus exserta
Eucalyptus grandis×E.tereticornis DH201-2