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一、总说:(一)体位:分前后、背腹、左右、上下等,以蝇体纵轴放在水平面上,翅平展,足亦向两侧伸直;这样沿纵轴的头端为前,尾端为后;垂直轴的上方为背,下方为腹;在蝇体纵轴右方的为右,左方的为左;朝下的面为腹面,或称下面,朝上面的为背面,或称上面。一般描写仅述一侧的情况,如后背中宗1是指单侧为1个。(二)体长:指头最前端至腹部最末端的长度,不包括伸出的排卵管或宗毛的突出部。
I. General: (1) Position: Before, after, dorsoventral, left and right, up and down, the vertical axis of the fly is placed on the horizontal plane, the wings are flat, and the feet are also straightened to both sides; this way the head of the longitudinal axis is Before, the rear end is the rear; the upper side of the vertical axis is the back and the lower part is the abdomen; the right side of the vertical axis of the fly is the right, the left side is the left; the downward facing side is the ventral surface, or the bottom, facing upwards. On the back, or above. Generally speaking, only one side of the situation is described. For example, the back side Zhongzong 1 refers to one side. (b) Body length: The length of the tip of the finger to the extreme end of the abdomen, excluding the protruding part of the protruding ovulation tube or hair.