Consumo e utilização de milho, trigo e sorgo por &gt;i&lt;Spodoptera frugiperda&gt;/i&lt; (J. E. Smith, 1797) (Lepidoptera - Noctuidae)

Crocomo, Wilson Badiali

doi:10.11606/t.11.1983.tde-20210104-192142

Cited by 4 publications

(6 citation statements)

References 4 publications

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“…Female pupal duration, significantly shorter than that of males, had already been reported for the same species whose larvae were fed on ryegrass (Foerster & Mello 1996), is related to protogyny, especially reported for the pupal stage of noctuids (Montezano et al 2013, 2014a, 2016; Nagoshi 2011; Specht & Roque‐Specht 2016), and may be associated with mechanisms related to reducing the probability of endogenous matings, at least, between individuals descended from the same egg mass (Bavaresco et al 2004; Crocomo & Parra 1985; Rosa et al 2012). This also allows newly emerged females to release pheromones attracting males from other egg masses but probably descendants of other females.…”

Section: Discussionmentioning

confidence: 91%

Green cutworm Anicla ignicans (Lepidoptera: Noctuidae): Identity, geographical distribution, immature morphology, host plants and biology in controlled conditions

Piovesan,

Orlandin,

Carneiro

et al. 2024

Austral Entomology

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The subgenus Anicla, commonly known as green cutworms, harbours some of the owlet moths (Lepidoptera: Noctuinae), whose larvae are notable for their economic importance. Knowledge of the immature stages for this group is available for three of the nine described species. Anicla infecta Ochsenheimer, 1816 is widely distributed in the Americas and is especially abundant in agricultural ecosystems. However, in the Neotropics, its economic damage can be confused with sympatric species, including Anicla ignicans (Guenée, 1852), whose distributions overlap in most parts of the American continent. In this sense, here, the identity of A. ignicans is investigated through its geographical distribution, based on molecular and morphological data. Additionally, the morphological and behavioural traits of immature stages were described in detail, information about its geographical distribution and larval host plants was gathered, and the species' biological parameters from larvae reared on an artificial diet were determined. Anicla ignicans is distributed throughout the Neotropical region, preferably in areas with xeric and/or grass‐dominated ecosystems. The eggs present valuable characters to distinguish A. ignicans from other owlet moth species, such as the reduced number of ribs, the way the micropyle openings are arranged and the shape of the aeropyles. However, the larvae show very similar chromatic polymorphisms to other Anicla species. Although A. ignicans prefer to feed on grasses, it was observed that more than 85% of the larvae that were fed with a modified bean‐based Greene diet survived. Additionally, the percentage of time for each phase of development obtained here is very similar for the different species of Anicla, regardless of the temperature or feeding of the larvae.

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Section: Discussionmentioning

confidence: 91%

Green cutworm Anicla ignicans (Lepidoptera: Noctuidae): Identity, geographical distribution, immature morphology, host plants and biology in controlled conditions

Piovesan,

Orlandin,

Carneiro

et al. 2024

Austral Entomology

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“…The indices of consumption and substrate use for insects, applied as assessment criteria, have been used in most studies as indicators of the adequacy of diets, revealing that their specific components can profoundly affect insect behavior and physiology (Crocomo & Parra, 1985). For example, Straub, Tanga, Osuga, Windisch, and Subramanian (2019) studied five different diets in crickets and locusts to assess their consumption, biomass gain, and feed conversion.…”

Section: Discussionmentioning

confidence: 99%

Effects of dietary palm oil on nutritional indices of Diatraea saccharalis (Lepidoptera: Crambidae) for Cotesia flavipes (Hymenoptera: Braconidae) production

Abreu,

Caleffe,

Julio

et al. 2023

Acta Sci. Agron.

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Cotesia flavipes parasitizes Diatraea saccharalis, a pest that causes major losses to sugarcane production. The mass production of C. flavipes and its subsequent release onto sugarcane is one form of biological control of D. saccharalis. An essential factor for successfully fighting this pest is the development of host diets that can increase the efficiency of C. flavipes production. Palm oil contains saturated fatty acids, unsaturated fatty acids, and polyunsaturated linoleic acid. However, little is known about the effects of palm oil on C. flavipes production in the laboratory. Different concentrations of palm oil were added to the D. saccharalis diet and its nutritional indices were analyzed. Subsequently, the production and sex ratio of C. flavipes were determined. Our results indicated that the addition of higher palm oil concentrations to an artificial diet generated a high relative consumption rate (RCR) in D. saccharalis, and consequently a high relative metabolic rate (RMR), which resulted in a lower production of the parasitoid. In contrast, the lowest palm oil concentration in the artificial diet generated a low RMR and resulted in high-efficiency conversion of ingested food (ECI), enabling D. saccharalis to yield more C. flavipes. This suggests that palm oil influences the quantity of D. saccharalis ingested, which determines the number of C. flavipes that will be generated. In this study, supplementation of a D. saccharalis diet with 0.25% palm oil increased the production of C. flavipes. Therefore, this level of palm oil supplementation can aid in the production of C. flavipes on a laboratory-scale. Further research, including increasing the number of parasitoids, must be performed to mass-produce the augmentative releases of C. flavipes to manage D. saccharalis.

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“…As a result, all small FAW larvae that escaped predation during the first five days of the experiment were able to develop into the third instar and feed freely from maize plants until the end of the experiment. In this context, several studies report that as FAW larvae grow into their later instars, they increase their food intake, causing greater damage to the leaves (Assefa & Ayalew, 2019;Costa et al, 2006;Crócomo & Parra, 1985;de Sousa Ramalho et al, 2011) and reducing plant biomass. Furthermore, a previous study by Peralta (2014), indicated that in corn crops under FAW larvae attack and without pest control measures, maize plants go from level 1 to level 5 of damage in less than 15 days.…”

Section: Visual Damage Estimationmentioning

confidence: 99%

Evaluation of Doru lineare (Dermaptera: Forficulidae) effectiveness against Spodoptera frugiperda (Lepidoptera: Noctuidae) and its potential protection of maize seedlings

ROMERO SUELDO,

VIRLA,

CONTARINI

et al. 2023

Rev. Soc. Entomol. Arg.

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The “fall armyworm”, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), is a significant pest of many crops, particularly maize. To control it, genetically modified plants and synthetic pesticides are the main strategies employed, which has led to the emergence of resistant populations to both methods. The earwig Doru lineare (Eschscholtz) (Dermaptera: Forficulidae) has been observed in Argentina consuming both eggs and early instars S. frugiperda larvae. To contribute to the implementation of a rational pest management system, field cage tests were conducted to assess the efficiency of D. lineare as a predator against S. frugiperda and its potential protection of maize seedlings from the pest. The results of the tests showed that the survival rate of S. frugiperda larvae was significantly affected by the presence of earwigs. When two earwigs were released into a cage containing ten maize seedlings infested with twenty S. frugiperda larvae, after ten days, the dry weight of the plants was significantly higher and the level of damage was significantly lower compared to those without earwig release. These results confirm the protective effect of D. lineare against S. frugiperda, suggesting that earwigs should be considered as promising predators in conservation control strategies for maize crops.

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Consumo e utilização de milho, trigo e sorgo por >i<Spodoptera frugiperda>/i< (J. E. Smith, 1797) (Lepidoptera - Noctuidae)

Cited by 4 publications

References 4 publications

Green cutworm Anicla ignicans (Lepidoptera: Noctuidae): Identity, geographical distribution, immature morphology, host plants and biology in controlled conditions

Green cutworm Anicla ignicans (Lepidoptera: Noctuidae): Identity, geographical distribution, immature morphology, host plants and biology in controlled conditions

Effects of dietary palm oil on nutritional indices of Diatraea saccharalis (Lepidoptera: Crambidae) for Cotesia flavipes (Hymenoptera: Braconidae) production

Evaluation of Doru lineare (Dermaptera: Forficulidae) effectiveness against Spodoptera frugiperda (Lepidoptera: Noctuidae) and its potential protection of maize seedlings

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