白蛉——是一种小的双翅之昆虫,经过完全的变态发育。白蛉之雌虫在夜间吸人及动物之血。白蛉在各种垃圾中,在房屋墙壁之缝隙中,在垃圾箱底下之土地里,在畜舍之板墙缝隙里,在地下室里,以及在鼠洞里产卵。消灭白蛉之孑孓及蛹主要在其产卵的地方进行,消灭白蛉成虫主要在房间内进行。因为白蛉可能在很多各种不同的地方产卵,所以消灭房间内之白蛉成虫是具有主要意义之措施。并同时对白蛉可能产卵的地方房间附近,必 Bletilla striata - is a small, double-winged insect that undergoes complete metamorphosis. Female white suck inhales and animal blood at night. White catfish spawn in various types of rubbish, in the gaps in the walls of houses, in the fields under the rubbish bins, in the crevices of walls of barn houses, in the basements, and in rat holes. The larvae and pupae that eradicate whiteflies are found mainly in the areas where they lay their eggs, and the adults that destroy the whiteflies are mainly in the room. As whitefowl may lay eggs in many different places, it is of major importance to eliminate whitefly adults in the room. And at the same time on the whitefly may spawn place near the room, will