直翅目检索表.doc

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1、直翅目检索表1触角丝状细长，末端尖锐，超过30节，如有听器或退化的听器遗迹，则在前足胫节上···2触角线状、剑状或棒状，末端不尖锐，少于30节，明显比体短，如有听器，则位于腹部;足的跗节3节或更少(蝗亚目)···················································52触角比体长，或等于体长，雌虫产卵器发达，刀状或剑状，前足非开掘式···········3触角比体短，雌虫产卵器不外露;前足开掘式·······························蝼蛄科3跗节4节，体粗壮，足正常，

2、头下口式;前足胫节有听器·····················螽斯科跗节3节·································································44头而平伸，前扣式，体细长，后足胫节背面每侧有4大刺及许多小刺···········树蟋科头短圆而垂直，下口式，体粗，后足胫节背面不如上述··················蟋蟀科Gryllidae5前、中，后足跗节均3节，即3-3-3············································

3、6前、中足跗节最多2节····················································126触角常短于前足腿节，若较长，则后足第一跗节上侧具小齿，且完全无翅，腹部气门着生于背、腹板之间的侧膜上，腹部第一节缺鼓膜器····································7触角明显长于前足腿节，后足第一跗节上侧无细齿；腹部气门着生于背板下缘，腹部第一节有鼓膜器，仅少数无翅或短翅种类的鼓膜器消失或很小······························87触角棒状，端部的节

4、略宽于中部的。后足跗节第一节上侧具齿;完全无翅······棒角蜢科触角丝状，端部的节不宽于中部，后足跗节第一节有几个瘤突或1、2个小的亚端刺，翅发达或缺如································································蜢科8触角丝状···································································9触角非丝状···············································

5、····················119前胸腹板具圆锥形、柱形、三角形或横片状的突起，阳茎基背片的钩状突较短…斑腿蝗科前胸腹板无突起;阳茎基背片的钩状突较长········································1010前翅中脉区的中闰脉上有发音齿，如中闰脉弱或缺如，则不具发音齿，且后腿节外侧上隆线的端半部具发音齿，同后翅纵脉的膨大部分磨擦发音····················斑翅蝗科前翅中脉区缺中闰脉，若有很弱的中闰脉，则不具发音齿，且后足腿节外侧上隆线的端半部不具发音齿，发音齿多着生在后腿节

6、内侧的下隆线上·····················网翅蝗科11触角槌状····························································.槌角蝗科触角剑状..························································剑角蝗科12前胸背板向后延伸至少超过腹部数节，后足跗节3节，触角短，至少I6节，前足腿节上方有脊无沟·····················································

7、·········菱蝗科前胸背板向后延伸最多遮盖胸部，后足跗节I或2节，或不分节，头有点像前口式;前胸背板后缘凸圆，很少向后延伸，雌无产卵器，尾须2节·························蚤蝼科缨尾目检索表1雌虫无产卵器······················································管蓟马科雌虫产卵器发达，笔直或向下弯曲····································蓟马科雌虫产卵器锯状，向上弯曲····························

8、··············纹蓟马科同翅目检索表