Season ocurrence of predator ladybeetles (Coleoptera, Coccinellidae) collected in citric orchard with ecological treatment, at Montenegro, Rio Grande do Sul
Abstract
The ocurrence of predator ladybeetles (Coleoptera, Coccinellidae) in an orange orchard, in Montenegro/RS, was verifi ed to follow a seasonal pattern. The monthly samples obtained between January to December of 2002, from 30 trees of an orchard treated ecologicaly, resulted in 14 species of identifi ed coccinelids. In a general way, the coccinelids were more frequent between July to September (Winter season), where 81% are from Coccidophilus citricola Brèthes, 1905. In spite of the large number of individuals that occur on winter, seven from fourteen species presented, individually, population peaks on Spring season.
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