【摘要】 应用扫描电镜观察笋秀夜蛾触角的外部形态。雌蛾触角具8种感器,雄蛾触角具9种感器,其中毛形感器数量最多,其次是腔锥形感器和耳形感器,除毛形感器外,其他感器的数量和着生部位较为恒定。毛形感器、锥形感器、刺形感器、耳形感器、腔锥形感器、栓锥形感器Ⅰ型、鳞形感器和Bhm氏感器等为雌雄触角所共有,无缘腔锥感器、双缘腔锥形感器、腔乳头感器仅雄蛾触角具有;栓锥形感器Ⅱ型仅生于雌蛾触角。触角雌雄性二型现象明显,除了感器种类、形态和表面细微结构的差异外,雌蛾触角的鞭节存在融合征状,雄蛾触角却无此现象。更多还原

【Abstract】 Antennal sensilla of a bamboo-shoot noctuid,Apamea apameoides,were observed with a scanning electronic microscope(SEM).It was found that the female moth had eight types of sensilla,and the male moth had nine types.Altogether 16 types of sensilla including common types and dimorphic types were identified with two trichoids,two chaetics,two basiconics,three coeloconics,two auriculates,two styloconics,one cavitata-peg,one squamiformic and Bhm.AuriculateaⅠb and A.Ⅱb separately occurred on female and male’s flagella,the morphology of A.Ⅰb type was similar to slender leaves,and the top of A.Ⅱ b was bifurcated.Coeloconica Ⅱ and C.Ⅲ occurred only on male’s antennae,C.Ⅱ was composed of one nakedly cone-shaped sensillum and without microtrichia around,C.Ⅲ had the same centric structure as C.Ⅱ but enclosed by double peripheral microtrichia.StyloconicaⅡ was morphologically much smaller than S.Ⅱ,and only occurred on female’s antennae.The antennae exhibited obvious sexual dimorphisme;one typical character was that the flagella of female moth were half-fused in some antennal segments,however not happened to the male moth.更多还原