Parasitóides Associados a Cryptoblabes Gnidiella (Lepidoptera, Pyralidae) Em Videira, Rs

-The objective of this work was to survey the entomofauna in an experimental vineyard (Vitis spp.) in the semiarid of the State of Rio Grande do Norte (RN), Brazil. The survey was conducted from November 2012 to January 2013 at the Rafael Fernandes experimental farm of the Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró, RN, in an area of 2,500 m 2 , cultivated with the Italia, Niagara Rosada and Isabel grapevine varieties. The insect collection was performed weekly during the grapevine flowering and fruiting periods, through a passive method, using four Pitfall traps, and an active method, collecting insects from the tree canopies (branches, leaves, flowers and fruits) using entomological net, tweezers and brushes. In the passive collection, 1,598 insects from five orders and 25 families were collected, especially from the Formicidae (83%), Dolichopodidae (5.9%) and Cicadellidae (1.9%) families, which were the most abundant. In the active collection, 288 insects from five orders and 14 families were collected, especially from the Vespidae (160 specimens) and Apidae (78 specimens) families, which were the most abundant, representing 82.7% of the total collected insects. The greater diversity (13 families) and greater number of insects collected (186 specimens) were observed in the grapevine variety Isabel.Keywords: Semiarid. Natural enemies. Vitis spp. , cultivada com videiras das variedades Itália, Niagara Rosada e Isabel. A amostragem dos insetos foi realizada semanalmente durante os períodos de florescimento e frutificação das videiras, através de um método passivo, usando quatro armadilhas Pitfall, e um método ativo, coletando insetos das copas das árvores (ramos, folhas, flores e frutos), usando rede entomológica, pinças e pincéis. Na amostragem passiva foram coletados 1.598 insetos de cinco ordens e 25 famílias, especialmente das famílias Formicidae (83%), Dolichopodidae (5,9%) e Cicadellidae (1,9%), as quais foram as mais abundantes. Na amostragem ativa foram coletados 288 insetos de cinco ordens e 14 famílias, especialmente das famílias Vespidae (160 espécimes) e Apidae (78 espécimes), as quais foram as mais abundantes, representando 82,7% do total de insetos coletados. A maior diversidade (13 famílias) e o maior número de insetos coletados (186 espécimes) foram observados nas videiras da variedade Isabel. Palavras-Chave: Semiárido. Inimigos naturais. Vitis spp. DIVERSIDADE DE INSETOS EM UM VINHEDO EXPERIMENTAL NO ESTADO DO RIO GRANDE DO NORTE, BRASIL

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Parasitóides Associados a Cryptoblabes Gnidiella (Lepidoptera, Pyralidae) Em Videira, Rs

Cited by 2 publications

References 4 publications

What do we really know on the harmfulness of Cryptoblabes gnidiella (Millière) to grapevine? From ecology to pest management

What do we really know on the harmfulness of Cryptoblabes gnidiella (Millière) to grapevine? From ecology to pest management

Insect Diversity in an Experimental Vineyard in the State of Rio Grande Do Norte, Brazil

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