Observations on Paragus quadrifasciatus [Het.: syrphidae] in Tonghua County
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Originating text in Chinese.
Citation: Gao, Junfeng. (1991). Observations on Paragus quadrifasciatus [Het.: syrphidae] in Tonghua County. Chinese Journal of Biological Control, 7(2), 95-95.
Citation: Gao, Junfeng. (1991). Observations on Paragus quadrifasciatus [Het.: syrphidae] in Tonghua County. Chinese Journal of Biological Control, 7(2), 95-95.