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一、前言珍宝岛地区系指黑龙江省虎林县和饶河县沿乌苏里江接壤地带,位于东经133°30′—134°18′和北纬46°20’—47°20′之间,属我国昆虫地理区划松黑北温地带草原区的三江草甸省(图1)。该地区夏季不热,冬季严寒,一年中日平均温度超过22℃的通常不超过45天,一月份平均温度在-24°——17℃之间。年降雨量通常在600毫米左右。
I. Preface Zhenbao Island refers to the area along the Wusuli River between Hulin County and Raohe County in Heilongjiang Province and lies between 133 ° 30’-134 ° 18’E and 46 ° 20’-47 ° 20’N China insect geographical division Song black north temperate steppe area Sanjiang Meadow (Figure 1). The area is not hot in summer and cold in winter. The average daily temperature of more than 22 ℃ in a year does not exceed 45 days. The average temperature in January is between -24 ° and 17 ° C. Annual rainfall is usually around 600 mm.