Surber net and qualitatively
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The aims of this study are to provide data on species composition and distribution of the mayflies in Dao Tru stream, Dao Tru commune, Tam Dao district, Vinh Phuc province. Specimens were collected in December 2020 both quantitatively by Surber net (50 cm 50 cm, mesh size 0,2 mm) and qualitatively by hand net, pond net and Surber net by “kick net”.
10p vimalfoy 08-02-2023 2 1 Download
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In this study, specimens were collected at 5 different sites. The aquatic insects were collected both quantitatively by Surber net (size 50 cm × 50 cm, mesh size 0.2 mm) and qualitatively by hand net and pond net. A field survey was conducted in December 2019 (dry season) and in June 2020 (rainy season).
7p tamynhan5 10-12-2020 9 2 Download
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As a result, a total of 110 aquatic insect species belonging to 98 genera, 49 families and 9 orders were recognized. Among these, the order Ephemeroptera had the highest species number with 26 species, followed by Odonata with 25 species, Trichoptera with 18 species, Coleoptera with 15 species, Hemiptera with 11 species, Diptera with 9 species.
8p cathydoll4 21-02-2019 12 0 Download