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Mémoire de Maîtrise
DOI
https://doi.org/10.11606/D.11.1983.tde-20210918-202720
Document
Auteur
Nom complet
Carlos Renato Leal Bicelli
Unité de l'USP
Domain de Connaissance
Date de Soutenance
Editeur
Piracicaba, 1983
Directeur
Titre en portugais
Levantamento e análise faunística de insetos coletados em cultura de cacau na região de Altamira - Pará
Mots-clés en portugais
ANÁLISE FAUNÍSTICA
CACAU
CACAUICULTURA
INSETOS
Resumé en portugais
No presente trabalho, efetuou-se por meio de tratamento de choque com BHC 12% (Knock-down), um levantamento e estudo faunístico dos insetos das Ordens Coleoptera, Hemiptera e Homoptera coletadas em cacaueiro na região de Altamira, Estado do Pará, no período de setembro/1978 a agosto /1981. Foram estudados os parâmetros faunísticos de frequência, constância, dominância, diversidade, similaridade e porcentagem de similaridade, bem como a flutuação populacional das espécies predominantes, correlacionando-as com os fatores meteorológicos e fatores fenológicos do cacaueiro. Foram capturados 20.033 indivíduos pertencentes a 92 espécies, das quais 73 são dominantes. Constataram-se 10 espécies muito abundantes, 12 comuns, 10 dispersas e 60 raras. Observou-se também, que destas espécies, 13 são constantes, 20 acessórias e 59 acidentais. O índice de diversidade foi de 9,2. Verificou-se a maior similaridade entre o 2º (1979/80 e 3º (1980/81) ano de amostragem, com índice de 6,5% o que se confirma pela porcentagem de similaridade de 86,58% entre os referidos anos. O estudo da flutuação populacional das espécies predominantes: Colaspis sp., Noriaia sp., Eccoptopis sp., Rhabdopterus sp., Antitypona spp., Hylax sp., Compsus sp.,(Coleoptera), Antiteuchus tripterus (Fabr., 1787), Platycarenus umbractulatus Fabr., 1803, Acinocoris lunares (Gmelin) (Hemiptera), Clastoptera ochrospila Jacobi, Amastris elevata Funkhouser, Epormenis unimaculata (Fennah) (Homoptera), mostrou que cerca de 60% delas estiveram correlacionadas com fatores fenológicos do cacaueiro, do que com os fatores meteorológicos.
Titre en anglais
Survey and faunal analysis of insects collected in cocoa crops in the region of Altamira State of Pará, Brazil
Resumé en anglais
This paper deals with a survey and faunal a study of insects of the Ordens Coleoptera, Hemiptera and Homoptera collected in cocoa crops in the region of Altamira, State of Pará, Brazil, from September 1978 to August 1981. The insects were collected by means of a knock-down treatment with BHC 12%. The following faunistic parameters were studied: frequency, constancy, dominance, abundance, diversity, similarity, and percentage of similarity, as well as the population fluctuation of the predominant species. These parameters were then correlated to the meteorological factors and to the phenological factors of the cocoa tree. The total of 20,033 individuals collected included 92 species from which 73 were dominant. Also, it was observed 10 species as very abundant, 12 common, 10 disperse and 60 rare. By other hand of these, 13 species were constant, 20 accessory and 59 accidental. The index of diversity was 9.2 The higher similarity was observed between the second year (1979/80) and the third year (1980/1981) of sampling, with an index of 6.5% wich as confirmed by the percentage of similarity between those years. The predominant species were: Colaspis sp., Noriaia sp., Eccoptopis sp., Rhabdopterus sp., Antitypona spp., Hylax sp., Compsus sp., (Coleoptera), Antiteuchus tripterus (Fabr., 1787), Platycarenus umbractulatus Fabr., 1803, Acinocoris lunares (Gmelin) (Hemiptera), Clastoptera ochrospila Jacobi, Amastris elevata Funkhouser, Epormenis unimaeulata (Homoptera). The study of the population fluctuation on these species have indicated that about 60% of them were correlated to the phenological factors of the coccoa tree.
 
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Date de Publication
2021-09-18
 
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