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自从巴赫梅捷夫(BaChmetjew,1909)用电热测温法测定昆虫住低温下的体温,创立过冷却学说以来,国际上多用昆虫的过冷却点来表示昆虫的耐寒性(Sacharov.1928～1930Lozinalozinskii,1935～1937;Sieger,1946;Asahina,1954;Barnes,1956),从不同种昆虫耐寒性来推断它的分布区、种群消长动态等。国内专门报道昆虫过冷却点的论文甚少,可能与测定方法存在一定困难有关。
Since BaChmetjew (1909) measured the body temperature of insects at low temperatures using the thermometry and established the theory of supercooling, the supercooling point of insects in the world is used to indicate the cold tolerance of insects (Sacharov, 1928 ~ 1930Lozinalozinskii, 1935-1937; Sieger, 1946; Asahina, 1954; Barnes, 1956) to infer its distribution, population dynamics, etc. from the cold tolerance of different species of insects. The domestic special coverage of insect subcooling point of the paper is very little, may be related to the determination of the existence of certain difficulties.