| 尹宁娜, 赵昱杰, 赵 宁, 刘乃勇*.粗角梯天牛形态特征与感器的超微结构[J].植物保护,2020,46(6):30-40. |
| 粗角梯天牛形态特征与感器的超微结构 |
| Morphological characteristics of Pharsalia antennata and its sensilla ultrastructure |
| 投稿时间：2019-09-17 修订日期：2019-11-18 |
| DOI：DOI:10.16688/j.zwbh.2019493 |
| 中文关键词: 粗角梯天牛 形态特征 触角 跗节 感器 |
| 英文关键词:Pharsalia antennata morphological characteristics antenna tarsus sensillum |
| 基金项目:云南省“高层次人才培养支持计划”青年拔尖人才项目(YNWR-QNBJ-2019-057); 云南省教育厅科学研究基金(2020Y398); 云南省科技厅青年项目(2017FD101) |
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| 中文摘要: |
| 采用光学显微镜和电子扫描显微镜技术, 研究了粗角梯天牛Pharsalia antennata雌雄成虫外部形态特征?触角和跗节感器种类及其差异?外部形态特征研究结果表明, 粗角梯天牛雄性个体体长明显大于雌性; 雄虫触角总长为体长的两倍余, 雌虫触角仅稍长于体长; 雌虫第5腹节明显长于雄虫第5腹节?感器研究表明, 雌雄成虫触角上分布有5类18种感器, 即6种锥形感器?5种毛形感器?5种刺形感器?1种Bǒhm氏鬃毛和1种钟形感器, 其中毛形感器Ⅴ型仅分布于雄虫触角, 锥形感器Ⅵ型和钟形感器仅分布于雌虫触角, 毛形感器Ⅰ型在雌雄虫触角上的分布和数量存在差异?雌雄成虫跗节表面着生有3类8种感器:毛形感器3种?刺形感器3种和锥形感器2种, 同种感器仅在长度上存在差异? |
| 英文摘要: |
| By using light microscopy and scanning electron microscopy techniques, the morphology and sensilla of antennae and tarsi of female and male adults of Pharsalia antennata were examined. The results of morphological characteristics showed that the length of male bodies was longer than that of females. The length of male antennae was over twice as long as its body while female antennae were a little longer compared to its body. Notably, the fifth abdominal segment of female adults was significantly longer than that of males. Furthermore, 18 sub-types of sensilla were identified, including six sub-types of sensilla basiconica (SB), five sub-types of sensilla trichodea (ST), five sub-types of sensilla chaetica (SCh), one Bǒhm bristles (BB) and one sensilla campaniformia (SCa). Among them, ST-Ⅴ was observed only on male antennae while the distribution of SB-Ⅵ and SCa was limited to female antennae. The distribution and numbers of ST-Ⅰ were different between female and male antennae. In addition, eight sub-types of sensilla were identified from female and male tarsi, consisting of three sub-types of ST, three sub-types of SCh and two sub-types of SB. There were differences in the lengths of sensilla between female and male tarsi. |
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