Formigas (Hymenoptera: Formicidae) visitantes de Ilex paraguariensis (Aquifoliaceae)

Junqueira, Luciane Kern; Diehl, Elena; Diehl‐Fleig, Eduardo

doi:10.1590/s1519-566x2001000100024

Cited by 12 publications

(5 citation statements)

References 1 publication

(1 reference statement)

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“…Thirdly, the association between plants and ants generally requires mutuality interactions (Hölldobler & Wilson 1990;Bronstein 1998) with different insect species. Visitor ants reduce herbivory rates on the leaves, flower buds, and flowers by attacking or preying on phytophagous insects (Junqueira et al 2001). Extrafloral nectar, such as that which L. leucocephala presents in an extrafloral nectary on the petiole (Hughes 1998), is responsible for keeping ants constantly foraging on plant leaves (Dáttilo 2009).…”

Section: (6)mentioning

confidence: 99%

Spatial Distribution of Phytophagous Insects, Natural Enemies, and Pollinators onLeucaena leucocephala(Fabaceae) Trees in the Cerrado

Damascena

Leite

Silva

et al. 2017

Florida Entomologist

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Leucaena leucocephala (Lam.) de Wit (Fabaceae) is widely used to regenerate degraded landscapes in tropical and subtropical regions and serves as a protein source for animals in agrosilvopastoral systems. Thus, our objective was to assess the spatial distribution of insects on the tree crown (vertical: upper, middle, and basal canopy; horizontal: north, south, east, and west) and leaf surfaces (adaxial and abaxial) of L. leucocephala. Phytophagous insects, natural enemies, and pollinators were quantified fortnightly in 20 trees for 2 yr. North-facing tree branches had the greatest numbers of phytophagous insects, natural enemies, and pollinators. Branches facing west had the most species-rich and biodiverse phytophagous and pollinator assemblages, whereas for natural enemies, species richness and biodiversity were greatest on branches facing north or south. The greatest numbers of individuals and highest levels of species richness of phytophagous insects, natural enemies, and pollinators were observed in the upper and middle parts of the L. leucocephala canopy. The most individuals and highest levels of species richness and biodiversity for phytophagous insects, natural enemies, and pollinators were observed on the abaxial face of L. leucocephala leaves. The species with the highest abundance and k-dominance (common or constant species) on L. leucocephala trees were the phytophagous insects Trigona spinipes F. (Hymenoptera: Apidae: Meliponinae) and Tropidacris collaris Stoll (Orthoptera: Romaleidae) and the natural enemies Camponotus sp.2 (Hymenoptera: Formicidae) and Brachymyrmex sp. (Hymenoptera: Formicidae). These results can inform strategies related to pest control and maintenance of natural enemies and pollinators in L. leucocephala plantations. Biopesticide application, for example, may be more effective at eliminating target organisms if directly applied on their preferred sites, and a targeted application can minimize negative effects for non-target organisms.

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Section: (6)mentioning

confidence: 99%

Spatial Distribution of Phytophagous Insects, Natural Enemies, and Pollinators onLeucaena leucocephala(Fabaceae) Trees in the Cerrado

Damascena

Leite

Silva

et al. 2017

Florida Entomologist

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“…Extrafloral nectaries (EFNs) are secretory structures that release nectar, which is a source of nutrients for some organisms. Besides sugar, the nectar contains lipids that are a secondary resource used to attract ants, which generally defend the plants against herbivores, birds, wasps and other animals (Koptur, Rico‐Gray & Palacios‐Rios, 1998; Junqueira, Diehl & Diehl‐Fleig, 2001; Heil & McKey, 2003; Katayama & Suzuki, 2005; Bronstein, Alarcón & Geber, 2006; Melo et al ., 2009).…”

Section: Introductionmentioning

confidence: 99%

Anatomy of extrafloral nectaries in Fabaceae from dry-seasonal forest in Brazil

Melo

Machado

Alves

2010

Botanical Journal of the Linnean Society

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Extrafloral nectaries (EFNs) are found in many species of Fabaceae. The aim of this work is to describe the internal morphology of the EFNs from species of Fabaceae found in areas of dry-seasonal forest in north-eastern Brazil. All species of Fabaceae with EFNs found were collected and samples were submitted to conventional techniques for anatomical and scanning electronic microscopy analysis. EFNs were found in 35 species, of which 32 were examined anatomically. All types have epidermal cells, secretory tissues and vascular bundles in the EFNs. Sclerenchymatous cells were found between the secretory tissues and the vascular tissues, with a few exceptions. The function of these cells is not clear; however, a role in the transportation of the sap in the nectary or with the support of the secretory tissue is possible. The nectar is released through glandular trichomes, secretory pores or even by breaking the epidermal cells and cuticle. The internal patterns found in the EFNs from different species and genera can provide important information for taxonomic and evolutionary studies in the family.

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“…No caso de estudos envolvendo a função de formigas como predadores, iscas de cupins vivos em ecossistemas nativos (Oliveira et al 1987;JunQueira et al 2001 …”

Section: Discussionunclassified

Potencial de Formigas (Hymenoptera: Formicidae) como Agentes Anti-herbívoros em Cultivo de Café (Coffea canephora Pierre) e Feijão Guandu [Cajanus cajans (L.) Millsp]

et al. 2013

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EntomoBrasilis 6(2): 113-118 (2013) EcologiaResumo. Este trabalho analisou a variação no potencial das formigas como agentes anti-herbívoros em plantas de café (Coffea canephora Pierre) e guandu [Cajanus cajans (L.) Millsp]. Foram usados ovos artificiais, simulando a presença de insetos herbívoros, e solução de açúcar, para aumentar a atividade de formigas, em experimentos de campo. As plantas de café e de guandu possuíam diferentes níveis de atividade de formigas, pois as últimas eram atacadas por membracídeos que atraíam mais formigas. A atividade das formigas foi monitorada após aplicação de solução de açúcar e a remoção de ovos artificiais foi medida após 24 e 48 horas. A solução de açúcar aumentou significativamente a atividade de formigas em plantas de café e de guandu. A remoção dos ovos artificiais foi significativamente maior em ramos com formigas do que sem formigas para as plantas de guandu. A adição de solução de açúcar aumentou a remoção de ovos artificiais em plantas de guandu, mas não em plantas de café. O tratamento com solução de açúcar e a presença de membracídeos em guandu tiveram efeitos similares sobre a atividade de formigas. Este estudo mostrou que a aplicação de solução de açúcar pode ser utilizada para simular a presença de membracídeos sobre as plantas, aumentando a atividade de formigas. Isso permitiu a avaliação de seu potencial como agentes anti-herbívoros, através de experimentos que simulam a presença de insetos sobre as plantas. Abstract. This study analyzed the role of ants as anti-herbivore agents in Coffee (Coffea canephora Pierre) and Pigeon Pea [Cajanus cajans (L.) Millsp] plants in agroecosystem under organic management. In these plants we used artificial eggs and sugar solution in experiments that simulated the presence of herbivore insects. Coffee plants did not possess any natural attractive that could intensify foraging activity of ants, but pigeon pea plants were infested by treehoppers which attracted ants. Activity of ants was surveyed after sugar solution application and artificial eggs removal was measured 24 and 48 h after start of the experiments. Sugar solution sprinkled on plants foliage increased significantly the activity of ants on coffee and pigeon pea plants. The removal of artificial eggs was significantly greater in branch with ants than without ants for pigeon pea plants. The sugar solution addiction resulted in greater artificial eggs removal in pigeon pea plants, but not in coffee plants. The treatment with sugar solution and presence of treehoppers had similar effects on the activity of ants on the plants. This study showed that the application of sugar solution can be used to increase activity of ants on plants as well as the potential of ants as anti-herbivore agents can be evaluated in experiments that simulate the presence of insects on the plants.

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Formigas (Hymenoptera: Formicidae) visitantes de Ilex paraguariensis (Aquifoliaceae)

Cited by 12 publications

References 1 publication

Spatial Distribution of Phytophagous Insects, Natural Enemies, and Pollinators onLeucaena leucocephala(Fabaceae) Trees in the Cerrado

Spatial Distribution of Phytophagous Insects, Natural Enemies, and Pollinators onLeucaena leucocephala(Fabaceae) Trees in the Cerrado

Anatomy of extrafloral nectaries in Fabaceae from dry-seasonal forest in Brazil

Potencial de Formigas (Hymenoptera: Formicidae) como Agentes Anti-herbívoros em Cultivo de Café (Coffea canephora Pierre) e Feijão Guandu [Cajanus cajans (L.) Millsp]

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