Lightweight males of Podisus nigrispinus (Heteroptera: Pentatomidae) neglect lightweight females due low reproductive fitness

Pereira, Alexandre Igor de Azevedo; Silva, R. B.; Tavares, Wagner de Souza; Malaquias, José Bruno; Zanúncio, José Cola

doi:10.1590/1519-6984.11515

Braz. J. Biol.

2016

DOI: 10.1590/1519-6984.11515

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Lightweight males of Podisus nigrispinus (Heteroptera: Pentatomidae) neglect lightweight females due low reproductive fitness

Alexandre Igor de Azevedo Pereira

R. B. Silva

Wagner de Souza Tavares

et al.

Abstract: Sexual choice by male stink bugs is important because females that experience food shortages lay fewer eggs with lower viability compared with well-fed females. In this study, we investigated whether Podisus nigrispinus (Dallas) (Heteroptera: Pentatomidae) males fed with a low-quality diet during its nymphal stage show selectivity for sexual partners resulting in high-quality progeny. Lightweight males and females were obtained from nymphs fed weekly with Tenebrio molitor L. (Coleoptera: Tenebrionidae) pupae. … Show more

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Cited by 8 publications

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“…Pereira et al 2017), this could interfere with the reproductive potential. In fact, methyl eugenol caused a reduction in the number of eggs and nymphs per female, in addition to a decrease in the net reproductive rate, intrinsic rate of increase and nite rate of increase, further increasing the time for population doubling.…”

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confidence: 99%

Bioactivity of essential oils from Croton grewioides and its major compounds: toxicity to soybean looper Chrysodeixis includens and selectivity to the predatory stink bug Podisus nigrispinus

Santos

Silva

Santos

et al. 2022

Environ Sci Pollut Res

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Natural biological control is a key factor that ensures the regulation of insect pest populations in agroecosystems. However, the indiscriminate use of pesticides has compromised this environmental service. Thus, the search for environmentally safe pesticides is an increasing requirement for sustainable food production. In this study, we analyzed the toxicity of essential oils from two accessions (CGR112 and CGR126) of Croton grewioides and its major compounds, methyl eugenol and eugenol, on the soybean pest Chrysodeixis includens. In addition, we investigated the sublethal effects of these compounds on the predatory bug Podisus nigrispinus, analyzing its developmental, reproduction and life table parameters. Essential oils and their major compounds were toxic to C. includens and P. nigrispinus. In general, the presence of eugenol made the essential oil more toxic to the pest and selective to the natural enemy. Eugenol was the most toxic compound for second instar larvae of C. includens at LD 50 , followed by CGR126 essential oil from C. grewioides which was equally toxic and this compound at higher doses. The estimated lethal times for essential oils to cause mortality in 50% of the population of C. includens were less than 15 hours. There was selectivity of the essential oil of CGR126 accession of C. grewioides at lethal doses above 90%. Although the treatments showed little effect on the development of P. nigrispinus, body mass and reproductive parameters were negatively affected, with the exception of the essential oil of CGR126 accession of C. grewioides. The essential oil of C. grewioides may represent a promising source to be used in the synthesis of new insecticides, which are e cient against C. includens and at the same time are safer for the natural enemy P. nigrispinus.

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mentioning

confidence: 99%

Bioactivity of essential oils from Croton grewioides and its major compounds: toxicity to soybean looper Chrysodeixis includens and selectivity to the predatory stink bug Podisus nigrispinus

Santos

Silva

Santos

et al. 2022

Environ Sci Pollut Res

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“…

Predatory stink bugs (Asopinae) are found in a wide range of natural and agricultural habitats and are important biological control agents (Pires et al, 2015;Pereira et al, 2017). Podisus spp.

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confidence: 99%

First record of the predatory stink bug Podisus sagitta (Hemiptera: Asopinae) in Brazil

et al. 2022

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Predatory stink bugs (Asopinae) are found in a wide range of natural and agricultural habitats and are important biological control agents (Pires et al., 2015;Pereira et al., 2017). Podisus spp. is the most diverse genus in Asopinae, currently with 32 species distributed in the Neotropical and Nearctic regions. Several Podisus species have been recorded in the Americas, mainly Podisus maculiventris (Say, 1831) in North America, P. nigrispinus (Dallas, 1851), P. sagitta (Fabricius, 1794) and P. distinctus (Stål, 1860) in Central and South America (Brugnera et al., 2020).Podisus sagitta has been reported occasionally in the literature. Its original locality is Central America, occurring from the southern United States to South America. This species was more studied in Europe -Belgium, between the 80s and 90s of the 20th century by Clercq and Degheele (1990), when a rearing of P. sagitta was established in the laboratory in 1982, using insects originating from Surinam. However, these same authors later reported that a misidentification occurred and that the species studied really treated P. nigrispinus and not P. sagitta (Clercq and Degheele, 1995).The objective was to record, for the first time, the natural occurrence of P. sagitta in Brazil and preliminary data of its biology in the laboratory.The predator was found associated with outbreaks of defoliating Lepidoptera in eucalyptus plantations in Itamarandiba, Minas Gerais state, Brazil (17° 51' S, 42° 51' W, at an elevation of 910 masl). The occurrence of the P. sagitta was verified in November 2015, during monitoring in eucalyptus plantations, preying on caterpillars of Thyrinteina arnobia Stoll, 1782 (Lepidoptera: Geometridae). Approximately, 30 predator nymphs from the third to fifth stages were collected and taken in 1000 mL plastic pots to the Laboratório de Controle Biológico de Insetos (LCBI) of the Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM) in Diamantina, Minas Gerais state, Brazil. Insects were maintained at 25 ± 1 °C, 70 ± 10% relative humidity, and 12-hours photophase. The nymphs were fed with pupae of Tenebrio molitor Linnaeus, 1758 (Coleoptera: Tenebrionidae) and distilled water until the emergence of adults.

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Advances zoophytophagous stinkbugs (Pentatomidae) use in agroecosystems: biology, feeding behavior and biological control

et al. 2022

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Lightweight males of Podisus nigrispinus (Heteroptera: Pentatomidae) neglect lightweight females due low reproductive fitness

Cited by 8 publications

References 50 publications

Bioactivity of essential oils from Croton grewioides and its major compounds: toxicity to soybean looper Chrysodeixis includens and selectivity to the predatory stink bug Podisus nigrispinus

Bioactivity of essential oils from Croton grewioides and its major compounds: toxicity to soybean looper Chrysodeixis includens and selectivity to the predatory stink bug Podisus nigrispinus

First record of the predatory stink bug Podisus sagitta (Hemiptera: Asopinae) in Brazil

Advances zoophytophagous stinkbugs (Pentatomidae) use in agroecosystems: biology, feeding behavior and biological control

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