Registros novos da formiga criptobiótica Creightonidris scambognatha Brown (Hymenoptera: Formicidae)

Castilho, Augusto C. C.; Delabie, Jacques Hubert Charles; Marques, Marinêz Isaac; Adis, Joachim; Mendes, Luciana F.

doi:10.1590/s1519-566x2007000100020

Cited by 6 publications

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“…Winkler's extractors captured smaller and cryptic leaf litter ants, such as the Myrmicinae, or even ants that are rarely collected with other techniques (Bestelmeyer et at., 2000;Castilho et al, 2007). For the Atlantic Forest, (Borgmeier, 1928) # -# = collected by the technique; -= non-collected by the technique.…”

Section: Resultsmentioning

confidence: 99%

“…Sampling techniques must be used with a well-structured sampling design in order to advance knowledge on the ant fauna of Brazilian biomes, especially in the leaf litter (Castilho et al (2007) and Veiga-Ferreira et al (2010) for new records of ant's species), allowing more complete environmental analyses. The influence of ants on edaphic processes, flux of energy and matter in ecosystems (Brown, 1997), predation, and seed dispersal (Folgarait, 1998;Oliveira, 2002, 2003;Leal, 2003) makes this insect group a good study model for environmental surveys and monitoring (Silva and Brandão, 1999).…”

Section: Resultsmentioning

confidence: 99%

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Comparison between Winkler's extractor and pitfall traps to estimate leaf litter ants richness (Formicidae) at a rainforest site in southest Brazil

et al. 2011

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The aim of this study was to compare in the same site the efficiency of the two most used techniques for sampling ant diversity, Winkler's extractors and pitfalls. We studied communities of leaf litter ants from the Brazilian Atlantic Forest, compared richness estimates for genera and species, and built species accumulation curves. These two methods resulted in a satisfactory sampling of richness; 21.3% of the genera and 47.6% of the species were collected exclusively with Winkler's extractors, whereas 6.4% of the genera and 9.5% of the species were collected exclusively with pitfalls. Winkler's extractor had proven to be the most efficient single sampling technique to estimate richness. However, pitfalls also recorded a significant portion of the total richness. Despite differences in efficiency, species accumulation curves for both techniques were similar, as well as the curve obtained with both methods combined. We noticed that Winkler's extractors were c. 74.0% more efficient than pitfalls in the Atlantic Forest. Therefore, sampling techniques must be used with a well-structured sampling design in order to advance knowledge on the ant fauna of Brazilian biomes, especially in the leaf litter, allowing more complete environmental analyses.Keywords: Atlantic rainforest, sampling techniques, species accumulation curves.Comparação entre extrator de Winkler e armadilha de queda para estimar a riqueza em espécies de formigas (Formicidae) de serapilheira em floresta tropical do sudeste do Brasil Resumo O objetivo deste estudo foi comparar, em um mesmo ambiente, a eficiência das duas técnicas de coletas mais utilizadas para amostrar a diversidade de formigas, o extrator de Winkler e a armadilha de queda (pitfall traps). Para a comunidade de formigas de serapilheira da Mata Atlântica, comparamos as estimativas de riqueza de gêneros, de espécies e as curvas de acumulação de espécies. Os dois métodos resultaram em uma amostragem de riqueza satisfatória, sendo 21,3 e 47,6% exclusivamente gêneros e espécies coletadas pelo extrator de Winkler e 6,4 e 9,5% pela armadilha de queda. O extrator de Winkler mostrou ser a técnica mais eficiente para amostrar a riqueza de uma área quando apenas uma das técnicas possa ser utilizada. No entanto, o uso da armadilha de queda registrou uma parcela não tão desprezível da riqueza. Quanto à eficiência das técnicas de coleta, as curvas de acumulação de espécies para os duas técnicas mostraram-se similares com a obtida com os dois métodos simultaneamente. Notou-se, portanto, que o extrator de Winkler apresenta uma eficiência de amostragem da riqueza na ordem de 74,0% maior que a armadilha de queda para ambiente de Mata Atlântica. Vale ressaltar que as técnicas de coleta devem estar associadas a um delineamento amostral bem estruturado para que se possa ampliar ainda mais o conhecimento sobre a mirmecofauna dos biomas brasileiros, principalmente daquelas com serapilheira, permitindo análises ambientais mais completas.Palavras-chave: Mata Atlântica, técnicas de coleta, curva de acumul...

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Comparison between Winkler's extractor and pitfall traps to estimate leaf litter ants richness (Formicidae) at a rainforest site in southest Brazil

et al. 2011

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“…However, the use of pitfall traps is limited because they tend to capture larger individuals with high foraging capacity (Martelli et al, 2004), a trend observed in our study. In addition, pitfall traps do not capture the smaller ants that form small colonies (Bestelmeyer et al, 2000;Castilho et al, 2007), so, for these ants, the most suitable method is manual collection (Lindsey & Skinner, 2001;Véle et al, 2009). We also found that manual collections are more efficient in environments with high litter cover since we observed that, in pasture areas, manual collection did not add any species that had not been collected by pitfall traps (Parr & Chown, 2001).…”

Section: Discussionmentioning

confidence: 73%

“…Ant community researchers suggest combining different techniques as the best way to estimate ant richness and abundance (Delabie et al, 2000a;Longino et al, 2002;Gotelli et al, 2011). Therefore, it is important to compare the efficiency of the various techniques for sampling ant diversity in one place to advance knowledge about ant fauna in hyper-diverse regions, especially in the litter (Castilho et al, 2007;Veiga-Ferreira et al, 2010;Hanisch et al, 2018). As a result, many ant inventories employ more than one sampling technique because their use in combination often increases sampling efficiency (Wong & Guénard, 2017;Lee & Guénard, 2019;Salata et al, 2020).…”

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confidence: 99%

Ant diversity sampling in the Brazilian Amazon: a comparison of litter collection and pitfall trapping

Silva¹,

Cajaíba

Périco³

2021

Rev. Biol. Trop.

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Introduction: Ants in tropical forests are a hyper-diverse group that plays important ecological roles. Several studies on tropical forests have used different sampling protocols to capture soil ants, making it difficult to compare responses and patterns of diversity between studies. Thus, research that compares different well-structured and standardized sampling methodologies to adequately estimate the richness of ant species in tropical forests is necessary. Objective: In this study, we examined the combination of catches with pitfall traps with and without baits and litter collections for soil ant sampling. Methods: In the fall traps, we use two baited (sardines and bananas) and one non-baited. For the manual collections (litter sampling), the litter and only the topsoil of the loose soil were collected. Results: We found that traps containing sardine baits collected a greater abundance of ants, whereas non-baited traps collected a greater richness of ant species. On the other hand, litter collections captured the largest number of exclusive species, presenting a different species composition from the pitfall traps (with and without baits). In general, baited traps showed greater abundance in more degraded locations, while manual collections and unbaited pitfalls captured more individuals in preserved environments. Conclusions: Our results provide evidence that, for accurate sampling of soil ant assemblages in tropical forests, the use of different methodologies is necessary to capture a greater diversity of species because the methods differ in effectiveness according to habitat.

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“…Studies carried out in the Pantanal have demonstrated that ants are an important component of the arthropods communities, participating in ecological processes, developing different survival strategies and social behaviors in these areas (Adis et al, 2001;Battirola et al, 2005;Castilho et al, 2007;Santos et al, 2008;Marques et al, 2010Marques et al, , 2011Soares et al, 2013). Considering the importance of conserving wetlands for the maintenance of biological diversity and the role played by this taxon in food chains associated with these habitats, this study evaluated the temporal variation in the structure and composition of the ant community in the canopy of Callisthene fasciculata (Spr.)…”

Section: Introductionmentioning

confidence: 99%

Ant community (Hymenoptera: Formicidae) associated with Callisthene fasciculata (Spr.) Mart. (Vochysiaceae) canopies in the Pantanal of Poconé, Mato Grosso, Brazil

et al. 2016

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Registros novos da formiga criptobiótica Creightonidris scambognatha Brown (Hymenoptera: Formicidae)

Cited by 6 publications

References 0 publications

Comparison between Winkler's extractor and pitfall traps to estimate leaf litter ants richness (Formicidae) at a rainforest site in southest Brazil

Comparison between Winkler's extractor and pitfall traps to estimate leaf litter ants richness (Formicidae) at a rainforest site in southest Brazil

Ant diversity sampling in the Brazilian Amazon: a comparison of litter collection and pitfall trapping

Ant community (Hymenoptera: Formicidae) associated with Callisthene fasciculata (Spr.) Mart. (Vochysiaceae) canopies in the Pantanal of Poconé, Mato Grosso, Brazil

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