2.22 短叉后半

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(图2-22)特征:雄虫体长2.50mm,体翅长3.67mm。触角(仅存4节)鞭节第1、2节长分别为0.81mm、0.72mm,IO=0.50mm,d=0.21mm,IO/d=2.38。前翅长2.95mm,宽0.92mm;后翅长2.23mm,宽0.70mm。后足跗节长分别为0.54mm、0.13mm。(酒精浸存)雄虫头部黄色,单眼区、复眼黑色;下 ......（本文共 971 字 , 1 张图）     " href="javascript:void(0)"> [阅读本文] >>