华山松16种小蠹(鞘翅目:象虫科:小蠹亚科)前胃结构的形态学(英文)  

A Morphological Study on the Proventriculi of Sixteen Species of Bark Beetles (Coleoptera: Curculionidae: Scolytinae) Bred in Pinus armandi

作　　者：卜书海[1] 陈辉[2] 

机构地区：[1]西北农林科技大学生命科学学院,杨凌712100 [2]西北农林科技大学林学院,杨凌712100

出　　处：《林业科学》2013年第5期128-134,共7页Scientia Silvae Sinicae

基　　金：Special Fund for Forest Scientific Research in the Public Interest(201004077);National Natural Science Foundation(31170607);Program for Changjiang Scholars and Innovative Research Team in University of China(IRT1035)

摘　　要：通过光学显微和扫描电镜技术,对危害华山松的16种小蠹前胃形态结构进行观察。根据前胃板的结构特征可以将16种小蠹前胃分成3个类型,这些前胃形态结构的差异可以作为小蠹分类鉴定的辅助手段,且前胃类型与韧皮部小蠹虫在华山松树干上的空间分布相吻合,华山松韧皮部小蠹前胃结构的特化是适应食物类型(营养的累积和质地)的结果。Proventriculus morphology of 16 bark beetle species （Curculionidae： Scolytinae） from the host tree—Chinese white pine （Pinus armandii） was studied by using a light microscopy and a scanning electron microscopy. Obvious differences were observed in the sclerotization degree, the shape of the anterior plate and type of sclerotized appendices among the different bark beetle groups. Three types of proventriculi were identified according to the basic morphological comparison of the chitinous plates, and their morphology may supply auxiliary characters for taxonomy of these bark beetle species. The spatial distribution of proventricular types was consistent with the occurrence of spatial sequence for 16 species of bark beetles in Chinese white pine trees.Obvious morphological variation and the sclerotization degree of proventriculus may reflect an adaptation to variations in diet.

关 键 词：华山松 前胃形态 小蠹 

分 类 号：S718.7[农业科学—林学]