The adult mites of scabies mites are nearly round or oval in shape, bulging on the back, milky white or light yellow. The size of female mites is 0.3 ～ 0.5 × 0.25 ～ 0.4mm; the size of male mites is 0.2 ～ 0.3 × 0.15 ～ 0.2mm. The jaw is short and located at the front end. The chewing limbs are shaped like pincers and have small teeth at their tips, suitable for eating the cuticle tissue of the host's skin. The limbs are divided into three sections. Eyeless and valveless. The back of the body has horizontal wavy stripes and rows of scaly skin spines. The back half of the body has several pairs of rod-shaped bristles and long bristles. The ventral surface is smooth, with only a few bristles and 4 pairs of feet. The foot is short and thick, divided into 5 sections, and is conical. The distance between the first two pairs of feet and the back two pairs of feet is large, and the base of the feet has horny incisors. Both male and female mites have long-handed claw pads at the ends of the two pairs of feet, called ambulacra, which are sensitive parts; the ends of the latter two pairs of feet are different in male and female, the females are all long setae, and the males The fourth pair of feet has suction pads. The female mite's spawning hole is located in the center of the front of the back two pairs of feet, and it is in the shape of a transverse crack. The male genitalia's external genitalia is located slightly behind the fourth pair of feet. Both anus are located in the middle of the rear edge of the body. Mianyang Shengshi Health Technology Co.,Ltd , https://www.shengshiaminoacid.com
The shape of mites ---- Haibo Biology