吸虱，体形
Micrograph of a sucking louse (order Anoplura). Note the pointed appearance of the head, which is narrower than the thorax. Body length = 4.35 mm.
Courtesy of Dr. Jennifer Ketzis.
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Micrograph of a sucking louse (order Anoplura). Note the pointed appearance of the head, which is narrower than the thorax. Body length = 4.35 mm.
Courtesy of Dr. Jennifer Ketzis.
