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金蝇属在我省发现大头金蝇及广额金蝇两种。大头金蝇为我省优势种蝇类之一,幼虫孳生在稀人粪中,夏秋季虫口密度很大,为肠道传染病重要媒介。广额金蝇于石家庄在11月中旬到12月中旬出现,季节很短,数量也少;对其生活习性尚不甚了解。这两种蝇类的三令幼虫在形态上颇为近似,广额金蝇幼虫的形态过去在文献上尚无描述,而对大头金蝇亦多记载不详,故本文对这两种三令幼虫的形态作了描述,以资鉴别。
Goldfly is found in our province, the main gold flies and goldfly two. Big golden fruit fly is one of the predominant species of flies in our province. The larvae breed in rare human manure. The density of insect population is very large in summer and autumn, which is an important medium for intestinal infectious diseases. Golden flies in Shijiazhuang in mid-November to mid-December appears, the season is very short, the number of less; their habits of life is not yet understood. The two orders of the three species of flies larvae are quite similar in morphology, the morphology of the golden flies fly larvae in the past there is no description in the literature, but also the large number of gold flies also record unknown, so this article three orders larvae The description of the form, in order to identify.