Aspectos biológicos e morfológicos de Mimallo amilia (Lepidoptera: Mimallonidae) em folhas de Eucalyptus urophylla

Zanuncio, Teresinha Vinha; Zanúncio, José Cola; Santos, Germi Porto; Fialho, Maria do Carmo Queiroz; Bernardino, Aline Sales

doi:10.1590/s0100-67622005000200015

Cited by 7 publications

(6 citation statements)

References 3 publications

(5 reference statements)

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“…The high mortality rate of colonies that received application of sulfluramid baits had been expected since there are reports in the literature of innumerable studies of the same nature that presented similar results (Zanuncio et al, 1997;Zanuncio et al, 2002;Zanetti et al, 2004). Sulfluramid is included among the active ingredients currently used for controlling leaf-cutting ants jointly with chlorpyrifos, given that chlorpyrifos is more toxic to mammals, aquatic organisms, fish and bees than sulfluramid (Tiepo et al, 2010).…”

Section: Discussionmentioning

confidence: 92%

“…The 80% bait transport rate under the conventional treatment had been expected since prior experiments utilizing products formulated with the same active ingredient at the same concentration also obtained a high pellet transport rate in the field (Zanuncio et al, 1997;Zanetti et al, 2004). The transport of baits is one of the parameters that define treatment efficiency since the product can only act and express its potential if it is found attractive initially, accepted after investigation and then effectively transported by workers.…”

Section: Discussionmentioning

confidence: 94%

“…The devolution of baits, as measured by the quantity of granules deposited on the mound of loose soil, was not observed in the standard treatment, a recurrent fact in field and laboratory assays that similarly evaluated sulfluramid-based baits (Zanuncio et al, 1997;Zanetti et al, 2004). In a contrary and significant manner, a portion (15%) of the homeopathic baits transported were returned by workers onto the loosesoil mound soon after transport, thus demonstrating that, for some reason, they were rejected during the process of postselecting foraged material, which occurs in the interior of the colonies.…”

Section: Discussionmentioning

confidence: 99%

“…In the field, before application of the treatments, for each repetition one active foraging trail near its area of loose soil was selected to ensure the immediate transport of granules and to avoid competition with workers of other colonies. The parameters evaluated were: transport and devolution of the baits, foraging, presence of recent loose soil, intoxication of individuals and mortality, according to established methodology as a protocol for experiments of this nature (Zanuncio et al, 1997;Nagamoto et al, 1999;Ramos et al, 1999;Zanuncio et al, 2002;Forti et al, 2003;Zanetti et al, 2004).…”

Section: Methodsmentioning

confidence: 99%

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Alternative Control of the Leaf-Cutting Ant Atta bisphaerica Forel (Hymenoptera: Formicidae) Via Homeopathic Baits

Ramos¹,

Cunha²,

Kuhn³

et al. 2013

Sociobiology

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Leaf-cutting ants are pests that afflict diverse crops, and are most efficiently controlled by chemical methods that are widely utilized. Other methods have been investigated aiming to efficiently control these insects while reducing the environmental impact of applying such chemical products. Therefore, an assay was conducted to evaluate the efficiency of baits, formulated homeopathically, in nests of the leaf-cutting ant Atta bisphaerica, in the field. Thirty (30) colonies were chosen and divided into 10 repetitions for each of the following treatments: control (without baits), standard (8 g/m2 of loose soil of baits based on sulfluramid 0.3%) and homeopathic (60 g/m2 of loose soil of homeopathic baits parceled into 20g/m2 doses applied on 3 consecutive days). At 24 hours after bait application on active foraging trails of colonies, evaluation of parameters was initiated: loading and return of the baits, foraging and mortality. The completed assay demonstrated that the transport of baits was greater in the standard (80%) than the homeopathic treatment (50%), and, to the contrary, the return of baits was significantly higher in the homeopathic treatment (15%) versus the conventional, where return/rejection did not occur. Colony mortality was 20% under the homeopathic treatment, differing statistically from the 80% value produced by the standard treatment. Thus, the homeopathic treatment is not demonstrated to be efficient at controlling leaf-cutting ants, suggesting new studies with different methodologies.

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Section: Discussionmentioning

confidence: 92%

Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Alternative Control of the Leaf-Cutting Ant Atta bisphaerica Forel (Hymenoptera: Formicidae) Via Homeopathic Baits

Ramos¹,

Cunha²,

Kuhn³

et al. 2013

Sociobiology

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“…O uso de monoculturas está associado ao surgimento de insetos-praga (Altieri et al 2003), como é o caso do cultivo de Eucalyptus, que favorece a ocorrência de formigas cortadeiras, homópteros e lepidópteros desfolhadores (Santos et al 1996, Zanuncio et al 2005. A mariposa Euselasia apisaon Dahman, nativa do Brasil, é um desses insetos-praga do cultivo de Eucalyptus, cuja ocorrência já foi registrada em Minas Gerais, São Paulo, Rio Grande do Sul e Santa Catarina (Zanetti 2005) e é praga-chave na bacia do médio Rio Doce.…”

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Sobrevivência diferencial de pupas de Euselasia apisaon Dahman (Lepidoptera: Riodinidae) em plantas de sub-bosque nos plantios de Eucalyptus de Belo Oriente, MG

Sousa¹,

Faria²,

Latini³

2010

Neotrop. entomol.

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-Herbivorous insects may attack eucalyptus causing economic losses. One of these pests is the moth Euselasia apisaon Dahman, a key pest in the basin of middle Rio Doce. Here we studied the survival of pupae of this moth in Eucalypts and in understorey plants and tested the hypotheses: i) live pupae are more abundant in plants of the understorey than in eucalyptus, ii) there is no difference between the abundance of pupae in different plants of the understorey. We sampled three areas cultivated with eucalyptus in Belo Oriente, MG, and samples were taken in five plots each area, getting five branches of each plant and of five eucalyptus trees that bordered the plot. The proportion of live and dead pupae and the mortality rate were estimated. The abundance of live pupae was higher in the understorey and the mortality rate of pupae was the same among different families of plants of the understorey. It is possible the larger available leaf area of understorey plants justify the greater abundance of live pupae in this habitat, however, avoidance of feeding habitat to finish the life cycle is also a possible explanation. Mortality rate in plants of the understorey points to an equal pressure of natural enemies on the pupae. These appointments help us to understand the dynamics of pests in eucalyptus plantations, providing important information to support actions against pests in natural environments. O lepidóptero apresenta cinco estádios larvais, com duração média total de 28 dias (Santos et al 1993). As suas larvas são gregárias, locomovendo-se enfileiradas ou agrupadas em semi-círculos e o seu período de pupa dura cerca de seis dias, ocorrendo no tronco de Eucalyptus ou nas plantas do sub-bosque (Santos et al 1996). Dada a grande voracidade que as lagartas de E. apisaon apresentam (Santos et al 1993), é possível que em surtos da praga as pupas localizadas longe dos sítios de alimentação tenham maior probabilidade de sobrevivência do que as pupas localizadas nos sítios de alimentação. Nessas situações, há maior risco de queda acentuada das folhas de Eucalyptus e consequente exposição das pupas a predadores.A ação de inimigos naturais é importante no controle biológico de pragas (Snyder & Ives 2003 e é possível que ela seja maior em Eucalyptus, sítio de alimentação das lagartas, do que nas plantas do sub-bosque, já que as lagartas representam um montante de recursos concentrado em Eucalyptus. De certo modo, se as lagartas puparem mais frequentemente no sub-bosque, então podese propor que esse habitat representa um refúgio para a sua população (MacArthur 1958), tornando-as menos disponíveis a seus predadores, aumentando, consequentemente, sua taxa de sobrevivência.

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Revision of mimallonid hosts (Lepidoptera: Mimallonidae) of tachinid flies (Diptera: Tachinidae), including a new host record in the Amazon rainforest

Gudin,

Pacheco Junior

2023

Int J Trop Insect Sci

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Aspectos biológicos e morfológicos de Mimallo amilia (Lepidoptera: Mimallonidae) em folhas de Eucalyptus urophylla

Cited by 7 publications

References 3 publications

Alternative Control of the Leaf-Cutting Ant Atta bisphaerica Forel (Hymenoptera: Formicidae) Via Homeopathic Baits

Alternative Control of the Leaf-Cutting Ant Atta bisphaerica Forel (Hymenoptera: Formicidae) Via Homeopathic Baits

Sobrevivência diferencial de pupas de Euselasia apisaon Dahman (Lepidoptera: Riodinidae) em plantas de sub-bosque nos plantios de Eucalyptus de Belo Oriente, MG

Revision of mimallonid hosts (Lepidoptera: Mimallonidae) of tachinid flies (Diptera: Tachinidae), including a new host record in the Amazon rainforest

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