同翅目七科检索表

同翅目七科成虫形态两项式检索表

1. 前翅基部有肩板；触角着生在复眼之间；前翅质地均一，膜质或革质；喙着生点在前足

基节以前 (2)

前翅基部无肩板；触角着生在复眼下方；前翅质地均一，膜质或革质；喙着生点在前足基节以前 (4)

2. 后翅臀区多横脉，脉纹网状；唇基有侧脊；有的头明显延长前伸 ········蜡蝉科Fulgoridae

后翅臀区翅脉非网状 (3)

3. 后足胫节末端下外方有一大型能动的距········································飞虱科Delphacidae

后足胫节末端无大型距，头向前延伸很长，否则额有2或3条脊，或无翅基片；无中单眼··················································································象蜡蝉科Dictyopharidae 4. 3个单眼，呈三角形排列；前足腿节发达，常具齿或刺，跗节3节；雄蝉腹面具发达的发

音器官；触角短，刚毛状或鬃状，自头前方伸出 .................................蝉科Cicadidae 单眼2枚或无 (5)

5. 前胸背板向后延伸盖住小盾片，如露出可见，则顶端圆、尖锐或有缺切；后足胫节有1~3

列小基兜毛，胫节端部有一横列端距 .........................................角蝉科Membracidae 小盾片可见，且不如上述；后足胫节具刺或刺状毛，无距 (6)

6. 后足胫节有棱脊，棱脊上生3~4列刺状毛；头部颊宽大，单眼2枚，少数种类无单眼；

触角刚毛状，前翅革质，后翅膜质，翅脉不同程度退化 ··················叶蝉科Cicadellidae 后足基节短，胫节有1~2个侧刺和1~2个横列端刺；触角位于头部复眼前方；前胸背板前缘直或稍向前凸；前翅Sc脉消失 ··············································沫蝉科Cercopidae

同翅目七科成虫形态单项式检索表

1（6）前翅基部有肩板；触角着生在复眼之间；前翅质地均一，膜质或革质；喙着生点在前足基节以前

2（3）后翅臀区多横脉，脉纹网状；唇基有侧脊；有的头明显延长前伸 ···蜡蝉科Fulgoridae 3（2）后翅臀区翅脉非网状

4（5）后足胫节末端下外方有一大型能动的距 ··································飞虱科Delphacidae 5（4）后足胫节末端无大型距，头向前延伸很长，否则额有2或3条脊，或无翅基片；无中单眼···············································································象蜡蝉科Dictyopharidae 6（1）前翅基部无肩板；触角着生在复眼下方；前翅质地均一，膜质或革质；喙着生点在前足基节以前

7（8）3个单眼，呈三角形排列；前足腿节发达，常具齿或刺，跗节3节；雄蝉腹面具发达的发音器官；触角短，刚毛状或鬃状，自头前方伸出 ···························蝉科Cicadidae 8（7）单眼2枚或无

9（10）前胸背板向后延伸盖住小盾片，如露出可见，则顶端圆、尖锐或有缺切；后足胫节有1~3列小基兜毛，胫节端部有一横列端距 ································角蝉科Membracidae 10（9）小盾片可见，且不如上述；后足胫节具刺或刺状毛，无距

11（12）后足胫节有棱脊，棱脊上生3~4列刺状毛；头部颊宽大，单眼2枚，少数种类无单眼；触角刚毛状，前翅革质，后翅膜质，翅脉不同程度退化 ············叶蝉科Cicadellidae 12（11）后足基节短，胫节有1~2个侧刺和1~2个横列端刺；触角位于头部复眼前方；前胸背板前缘直或稍向前凸；前翅Sc脉消失········································沫蝉科Cercopidae