Difference between revisions of "Neotropical Entomology (2004) 33, 469-479"

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{{Publication
 
{{Publication
|Publication authors=[[Pasquale Trematerra]], Maria C.Z. Paula, [[Andrea Sciarretta]] and Sonia M.N. Lazzari
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|Publication authors=[[Pasquale Trematerra]], Maria C.Z. Paula, [[Andrea Sciarretta]] and [[Sonia M.N. Lazzari]]
|Author Page=Pasquale Trematerra, Andrea Sciarretta
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|Author Page=Pasquale Trematerra, Andrea Sciarretta, Sonia M.N. Lazzari
 
|Publication date=2004
 
|Publication date=2004
 
|dc:title=Spatio-temporal analysis of insect pests infesting a paddy rice storage facility
 
|dc:title=Spatio-temporal analysis of insect pests infesting a paddy rice storage facility

Latest revision as of 10:54, 30 August 2020

Pasquale Trematerra, Maria C.Z. Paula, Andrea Sciarretta and Sonia M.N. Lazzari (2004)
Spatio-temporal analysis of insect pests infesting a paddy rice storage facility
Neotropical Entomology 33 (4), 469-479
Abstract: The study describes the temporal and spatial distribution of the insect fauna collected in a paddy rice storage facility over two years, with major emphasis on the most abundant pests. The experiment, using 19 food-bait traps, was carried out in the county of Massaranduba, State of Santa Catarina, Brazil, from November 1997 to October 1999. During the whole survey, Sitophilus oryzae (L.), a primary pest associated to stored cereals, was the most abundant species in the storage facility (28,542 specimens captured). Other beetles were collected in remarkable numbers, both primary pests, such as Rhyzopertha dominica (Fabricius) (3,931 specimens), and secondary pests, such as Cryptolestes ferrugineus (Stephens) (4,075 specimens) and Oryzaephilus surinamensis (L.) (1,069 specimens). In general, various species showed very variable distribution and, depending on pest and year, all parts of the facility appeared infested. Pest populations were present both in processing area and in silos, at least in one of the two years survey. Analyzing different distributions, the various zones of the rice facility appeared to have different propensity to insect infestations, with the south-eastern silos and the grain pit with the conveyor belt as the most frequently infested. Moreover, variations between the 1st and 2nd year survey showed a strong decrease of total population numbers in the 2nd year, but in different ways, depending on the species considered. Such a result was probably due to the cleaning measures accomplished inside and outside the silos and in the processing area, including application of insecticide on the structure.

O trabalho relata a ditribuição temporal e espacial da fauna entomológica coletada em um armazém com arroz em casca durante dois anos, dando ênfase às espécies mais abundantes. O experimento, utilizando 19 armadilhas tipo gaiola foi realizado em Massaranduba, SC, de novembro de 1997 a outubro de 1999. Durante as coletas, Sitophilus oryzae (L.), considerada praga primária foi coletada em maior número (28.542 espécimes); outras pragas primárias como Rhyzopertha dominica (Fabricius) (3.931 espécimes) ou pragas secundárias como Cryptolestes ferrugineus (Stephens) (4.075 espeécimes) e Oryzaephilus surinamensis (L.) (1.069 espécimes) também tiveram grande ocorrência. Várias espécies mostraram variações na distribuição e dependendo do inseto-praga e do ano, todas as áreas foram infestadas. As populações de insetos estavam presentes tanto nas áreas de recebimento como nos silos, em um ou nos dois anos. Analisando as diferentes distribuições, as várias áreas de armazenamento de arroz apresentaram diferentes propensões de infestação de insetos, com os silos do sudoeste e a moega, que foram as áreas que apresentaram maior infestação. Além disso, as variações entre o primeiro e segundo ano mostraram acentuada redução do total da população de insetos no segundo ano, mas em diferentes locais, dependendo das espécies consideradas. Tais resultados provavelmente se devem às medidas de limpeza adotadas dentro e fora dos silos e na área de processamento, incluindo a aplicação de inseticida na estrutura.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Full text of article
Database assignments for author(s): Pasquale Trematerra, Andrea Sciarretta, Sonia M.N. Lazzari

Research topic(s) for pests/diseases/weeds:
population dynamics/ epidemiology
surveys/sampling/distribution


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Sitophilus oryzae Stored grain Brazil (south)
Oryzaephilus surinamensis Stored grain Brazil (south)
Rhyzopertha dominica Stored grain Brazil (south)
Cryptolestes ferrugineus Stored grain Brazil (south)