红脂大小蠹、华山松大小蠹和云杉大小蠹形态学比较

On External Structure of Dendroctonus valens、D. armandi and D. micans

对陕西省渭南地区的红脂大小蠹 ( Dendroctonus valens)、秦巴林区的华山松大小蠹( D.armandi)和祁连山林区的云杉大小蠹 ( D.micans)的形态学进行了比较研究 ,结果表明 ,3种大小蠹在形态特征。

The external structure of Dendroctonus valens, D. armandi and D. micans were comparied in Weinan area, Qinling Mountains and Qilian Mountains. It was showed that there were obvious differences in external structure and galleries. among the three bark beetles.