Ocorrência de Stethorus (Stehtorus) minutalus Gordon &amp; Chapin (Coleoptera: Coccinellidae) predando Bemisia tabaci biótipo B (Hemiptera: Aleyrodidae) em algodoeiro no Brasil

Silva, Leonardo D; Bonani, Jean Patrick

doi:10.1590/s1519-566x2008000100013

Cited by 6 publications

(4 citation statements)

References 15 publications

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“…Al-Duhawi et al (2006) found S. gilvifrons adults and larvae to be very efficient predators of all stages of the Bemisia tabaci (Gennadius) and, in laboratory trials, found the larvae completed their development on this prey alone. Silva and Bonani (2008) reported S. minutulus Gordon and Chapin feeding on the tobacco whitefly on cotton in Brazil as well. However, Silva (personal communication) confirmed that the coccinellid found feeding on whiteflies was actually a species of Delphastus (Sticholotidinae); some specimens of S. minutulus feeding on mites in the same whitefly colony had been sent for identification by mistake.…”

Section: Non-mite Foods Of Stethorinimentioning

confidence: 96%

Coccinellidae as predators of mites: Stethorini in biological control

Weber²,

2009

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The Stethorini are unique among the Coccinellidae in specializing on mites (principally Tetranychidae) as prey. Consisting of 90 species in two genera, Stethorus and Parasthethorus, the tribe is practically cosmopolitan. The Stethorini are found in a diverse range of habitats, including many agricultural systems such as pome and stone fruits, brambles, tree nuts, citrus, avocadoes, bananas, papaya, palms, tea, cassava, maize, strawberries, vegetables, and cotton, as well as ornamental plantings, grasslands, forests, and heathlands. Tetranychid mite outbreaks became common in many agricultural systems only after World War II, when widespread use of broad-spectrum insecticides increased. Stethorini were initially appreciated only for their ability to suppress severe outbreaks of tetranychid populations. However, research on their prey searching behaviors reveals that Stethorini use visual and olfactory stimuli to locate small mite colonies in patchy distributions, and can be very effective in regulating their prey at low densities. Moreover , acariphagous coccinellids colonize mite outbreaks earlier, and consume more pest mites, than many other mite predators. Key to the use of coccinellids in conservation biological control programs is the provision of overwintering habitats and refuges from pesticides in and near cropland. When these conditions are fulfilled, Stethorini often play important roles in maintaining suppression of tetranychid populations. Examples of successful biological mite control with Stethorini include apple orchards in Pennsylvania, USA, and citrus in Asia, and the unintended disruption of a tetranychid-based biological control program for the invasive woody weed, gorse, in Australia and New Zealand. The systematics and taxonomy of this group is challenging with many cryptic species, and molecular diagnostic tools are sorely needed. How best to utilize their mite-suppressive potential in diverse settings requires better knowledge of their requirements including utilization of alternative foods, refuges for dormancy and from nonselective pesticides , and host-finding mechanisms.

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Section: Non-mite Foods Of Stethorinimentioning

confidence: 96%

Coccinellidae as predators of mites: Stethorini in biological control

Weber²,

2009

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“…Coccinellidae (Coleoptera) species are important biological control agents, because they may feed on aphids, aleyrodids, cochineals, mites, eggs and on larvae of Lepidoptera and Coleoptera (Omkar and Pervez 2001;Ragkou et al 2004;Silva and Bonani 2008;Simmonds et al 2000). It is necessary to understand the nutritional and ecological patterns in order to increase the efficiency of entomophagous insects (Mohaghegh and Amir-Maafi 2007;Pervez and Omkar 2004;Simmonds et al 2000;.…”

Section: Introductionmentioning

confidence: 99%

Suitability of different artificial diets for development and survival of stages of the predaceous ladybird beetle Eriopis connexa

et al. 2009

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The ladybug Eriopis connexa (Germar) (Coleoptera: Coccinellidae) is an important natural enemy of various pests. The potential of rearing it on 17 different diets was evaluated. The percentage of E. connexa adults was higher when its larvae received only eggs of Anagasta kuehniella (Zeller) (Lepidoptera: Pyralidae) after freezing for 1 day (92.5%) or combined in artificial diets with honey and water (82.5% to 100.0%). The viability from larvae to adult was 72.5% with eggs of A. kuehniella (after 1 day's freezing) plus an artificial diet based on pet food. No adults of E. connexa were obtained with artificial diets as a standalone food source. The duration of the larval period to adult of this predator was longer, but with low viability, with only A. kuehniella eggs (after 6 months' freezing) or with eggs + artificial diets. Eggs of A. kuehniella (after 1 day's freezing) supplied separately or along with artificial diets were more appropriate to rear E. connexa and both diets can be used for mass rearing of this natural enemy.

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“…Dentro de Scymninae, o gênero Zilus Musant (Scymnillini) e Nephaspis Casey (Scymnini) também se alimentam principalmente de mosca-branca (Gordon 1985(Gordon , 1994. A espécie Stethorus minutalus Gordon & Chapin também já foi observada predando Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) em algodoeiro em São Paulo, Brasil (Silva & Bonani 2008).…”

Section: Predadoresunclassified

Preferência Alimentar E Estratégias De Alimentação Em Coccinellidae (Coleoptera)

Guedes¹

2013

Oecol. Austr.

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Este artigo busca organizar uma síntese sobre os hábitos e estratégias alimentares apresentadas pelos Coccinellidae. A família é heterogênea no que diz respeito ao comportamento alimentar, podendo ser dividida em três grupos principais de acordo com sua especialização: predadores, fitófagos e micófagos. Os coccinelídeos predadores são subdivididos de acordo com o status taxonômico das suas presas preferenciais: acarófagos, afidófagos e coccidófagos. Já os fitófagos são subdivididos em: filógafos, os quais se alimentam exclusivamente de folhas, hastes ou outras partes das plantas e polenófagos. A frugivoria em coccinelídeos parece ser rara, mas já foi documentada para algumas espécies. Tanto as larvas como os adultos dos coccinelídeos predadores podem consumir uma enorme gama de alimentos e muitas espécies são consideradas polífagas. A polifagia é geralmente observada como uma estratégia de emergência quando o alimento preferencial encontra-se escasso. Os coccinelídeos apresentam uma vasta gama de tipos de alimentos preferenciais, os quais abrangem diferentes reinos e níveis tróficos. O conhecimento dos hábitos alimentares, mesmo das espécies mais comuns, ainda é restrito, tornando uma tarefa difícil discutir as especializações alimentares de cada tribo. Vista a enorme gama de espécies com grande potencial para atuar como agentes de controle biológico, especialmente de pragas de importância agrícola, faz-se necessário intensificar os estudos relacionados à biologia, ao comportamento e à filogenia. Palavras-chave: fitófago; hábitos alimentares; micófago; predador. ABSTRACT FOOD PREFERENCE AND FEEDING STRATEGIES IN COCCINELLIDAE (COLEOPTERA). This article aims to organize a synthesis about the feeding preference and feeding strategies presented by the Coccinellidae. The family is heterogeneous with regard to eating behavior and it can be divided into three main groups: predators, phytophagous and mycophagous. The predators coccinellids are subdivided according to the taxonomic status of their preferred prey: mite feeders, aphidophagous and coccidophagous. The phytophagous are subdivided into: phyllophagous, which feed exclusively on leaves, stems or other plant parts and polenophagous. The frugivory in coccinellids appears to be rare, but has been documented for some species. Both larvae and adults of predators coccinellids can consume an enormous range of food and many species are considered polyphagous. The polyphagy is usually observed as an emergency strategy when the preferred food is scarce. The coccinellids exhibit a wide range of preferred food types, which cover different kingdoms and trophic levels. The knowledge of feeding habits, even of the most common species, is still restrict, making a difficult task to discuss the food specialties of each tribe. Due to the huge range of species with great potential to act as biological control agents, especially of pests of agricultural importance, it is necessary to intensify the studies related to biology, behavior and phylogeny.

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Ocorrência de Stethorus (Stehtorus) minutalus Gordon & Chapin (Coleoptera: Coccinellidae) predando Bemisia tabaci biótipo B (Hemiptera: Aleyrodidae) em algodoeiro no Brasil

Cited by 6 publications

References 15 publications

Coccinellidae as predators of mites: Stethorini in biological control

Coccinellidae as predators of mites: Stethorini in biological control

Suitability of different artificial diets for development and survival of stages of the predaceous ladybird beetle Eriopis connexa

Preferência Alimentar E Estratégias De Alimentação Em Coccinellidae (Coleoptera)

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