Abundância sazonal de percevejo-do-colmo do arroz

Botta, R.; Silva, Fernando Felisberto da; Pazini, Juliano de Bastos; Martins, José Francisco da Silva; Rubenich, Rodrigo

doi:10.1590/s1983-40632014000400014

Cited by 6 publications

(5 citation statements)

References 11 publications

(10 reference statements)

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“…Sabe-se que o clima exerce grande influência sobre o comportamento de insetos-praga. Pentatomídeos fitófagos buscam temperaturas variando entre 20 e 30°C para seu melhor desenvolvimento e reprodução, com temperatura ótima em torno de 25°C a 28°C (Botta et al, 2014;Bortolotto et al, 2016). Para o ano agrícola de 2014, o município de Cruz Alta teve temperaturas médias entre 20 e 24°C durante o mês de novembro (2013) e 28 a 32°C de dezembro a fevereiro (2014), resultando em média de 20 a 24°C no mês de março (2014), correspondente ao período de cultivo da soja.…”

Section: Resultsunclassified

Densidade populacional de pentatomídeos influenciada pela estrutura morfológica de diferentes plantas no município de Cruz Alta, RS

Engel

Pasini

Hörz

2018

RCA

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Contribuição dos autores: Eduardo Engel realizou o experimento, a análise de dados, a revisão bibliográfica, a escrita científica e a apresentação dos resultados; Maurício Paulo Batistella Pasini contribuiu com a escrita científica, a análise de dados, a apresentação dos resultados e a revisão gramatical; Daniele Caroline Hörz Engel realizou o experimento, a revisão bibliográfica, a revisão ortográfica e a apresentação dos resultados. Fontes de financiamento: Não houve fonte de financiamento. Conflito de interesse: Os autores declaram não haver conflito de interesse.

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Section: Resultsunclassified

Densidade populacional de pentatomídeos influenciada pela estrutura morfológica de diferentes plantas no município de Cruz Alta, RS

Engel

Pasini

Hörz

2018

RCA

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“…This is the first study that analyzes both intrinsic (diapause and population status) and extrinsic population factors (host plants as a bottom-up factor and natural enemies as a top-down factor) regulating the abundance of a hemipteran pest species. Previous work on T. limbativentris reported the presence/absence of this insect hibernating in native plants (Aner and Becker, 1993; Link et al ., 1996), or was restricted to studies of the ecology and seasonal variation of this insect in a dominant host plant around fields in a particular rice region (Klein et al ., 2012; Botta et al ., 2014; Batistella Pasini et al ., 2018).…”

Section: Discussionmentioning

confidence: 99%

“…Along each transect, sample units, each 1 m wide and 5 m long, were established at 5 points (fig. 1b) using the geolocation points in ‘Grid’ method with modifications (Botta et al ., 2014). The location of the first sampling point in each transect was random and the following points were defined in a systematic way, separated from each other by a distance of 10 m. Each point was marked with GPS ( N = 120 sampling-points).…”

Section: Methodsmentioning

confidence: 99%

“…Although there are previous reports of host plants for T. limbativentris in Brazilian rice agroecosystems (Aner and Becker, 1993; Link et al ., 1996; Klein et al ., 2012; Botta et al ., 2014; Batistella Pasini et al ., 2018), none of these contributions has studied the incidence of natural enemies during overwintering on alternative hosts. Also, this information about the host species cannot be simply extrapolated to the whole distribution area of this insect pest, because different management techniques are applied to the crop and also because the plant assemblage varies regionally in different parts of the insect's range.…”

Section: Introductionmentioning

confidence: 99%

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Importance of native vegetation for detection and management of rice stink bug (Tibraca limbativentris)

Fuentes‐Rodríguez¹,

Franceschini²,

Gervazoni³

et al. 2019

Bull. Entomol. Res.

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Tibraca limbativentris (Hemiptera: Pentatomidae) is a major pest in Neotropical rice agroecosystems. In autumn–winter, this pest takes refuge in rice stubble and in native vegetation, which allows it to re-colonize the crop during the rice growing season. However, it is still unknown whether this vegetation is a pest sink or is actually a natural trap that contributes to pest population biocontrol. Here we present information on the insect's alternative host plants, a preliminary outline of the relationship between plant phylogeny and insect abundance, and the impact that winter natural enemies have in pest population. Also, we include a proposed methodology for pest density analysis in winter hosts. Our results show significant differences in the abundance/density that T. limbativentris reaches in the 12 host plant species present in our study areas, with a plant-use pattern significantly related to the phylogenetic clade of Poales. Stink bug winter populations mainly comprised diapause adults, and 40% of insect digestive tracts had content. Survival of T. limbativentris was 56.92% in winter hosts. About mortality, 10% was due to undetermined causes and 33.08% due to entomopathogenic fungi, showing a natural regulation of the pest population. Our results suggest that native vegetation impacts winter survival of T. limbativentris. Although these plants offer shelter, they offer a greater contribution to Integrated Pest Management: the natural regulation of winter pest populations through entomopathogenic attack. Further studies on T. limbativentris population dynamics and the preservation of native areas near rice fields will be required for the development of best control practices.

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“…Several works demonstrate the importance of the plant structures surrounding the cropping areas in the survival of pest insects throughout the year, this importance is related mainly to the periods of low temperatures and availability of food, in this way, they constitute adequate shelters for hibernation (Dennis, Thomas & Sotherton, 1994;Klein, Redaelli & Barcellos, 2012, 2013Botta et al, 2014;Pasini, Lúcio & Ribeiro, 2015;Pasini et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Andropogon bicornis L. (Poales: Poaceae): a stink bug shelter in the soybean and corn off-season in southern Brazil

Engel

Pasini

Zamberlan

et al. 2019

Preprint

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Associated host plants promote the survival of various species of pest insects during unfavorable periods. The objective of this study was to evaluate the diversity, abundance and structure of the pentatomid bugs community during the soybean and corn off-season in Andropogon bicornis L. (Poales, Poaceae) plants. The experiment was carried out in the municipality of Cruz Alta, RS, Brazil. During the soybean and corn off-season from 2014 to 2018, clumps of 10 to 50 centimeters in diameter were observed around the growing area. Data on the number of species and abundance of individuals were used for statistical analysis (ANOVA, linear regression and Pearson correlation) and faunistic (diversity and abundance distribution). At the end of the experiment 4050 adults belonging to the species Euschistus heros (F.), Dichelops furcatus (F.), Dichelops melacanthus (Dallas), Edessa meditabunda (F.), Edessa ruformaginata (De Geer) and Piezodorus guildini. Among the species, we found greater abundance for E. meditabunda, E. heros and D. furcatus (96.07%) of the individuals sampled. Higher interspecific correlation was observed between the same species, we also observed a direct effect of the clump diameter on the population density. Among the six species observed, at least five are economically important for soybean and corn crops, so further studies are needed in order to verify the effects of this hibernation site on the population present in the crop and its damages.

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Abundância sazonal de percevejo-do-colmo do arroz

Cited by 6 publications

References 11 publications

Densidade populacional de pentatomídeos influenciada pela estrutura morfológica de diferentes plantas no município de Cruz Alta, RS

Densidade populacional de pentatomídeos influenciada pela estrutura morfológica de diferentes plantas no município de Cruz Alta, RS

Importance of native vegetation for detection and management of rice stink bug (Tibraca limbativentris)

Andropogon bicornis L. (Poales: Poaceae): a stink bug shelter in the soybean and corn off-season in southern Brazil

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