Seasonal Fluctuations Of Certain Species Of Nocturnal Coleoptera As Indicated By A Light Trap At Quena
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1) One light trap of Robinson type fitted with a mercury vapour bulb was operated for two consecutive years. Eighty - three species were identified and counted. The most abundant species was Tachys fumigatus of which over 23.000 individuals were collected over the period of trapping. This species formed 31-23% of the total catch of Coleoptera. 2) The Seasonal fluctuations of nineteen species studied and grouped into four groups according to the number of generations in each group.