Cutting ants
Attractiveness of copperleaf-based bait to leaf-cutting ants
... Leaves of copperleaf (Acalypha spp.) are greatly accepted by leaf-cutting ants and therefore used to maintain colonies in the laboratory. In order to determine the attractive potential of granulated bait of ...
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Isoenzyme variation in the leaf-cutting ants Acromyrmex heyeri and Acromyrmex striatus (Hymenoptera, formicidae)
... Leaf-cutting ants of the genus Acromyrmex are draw- ing increasing attention because of the damage they cause to crops. Due to the great morphological polymorphism of the species and the considerable ...
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AVALIAÇÃO DE SAUVEIROS EXTERNOS EM EUCALIPTAIS DE MINAS GERAIS LEAF CUTTING ANTS OUTSIDE THE EUCALYPT PLANTATIONS Iris Cristiane Magistrali1 Norivaldo dos Anjos2 RESUMO
... There is great difficulty to improve techniques of integrated pest management of leaf cutting ants, mainly when found outside of, but near to, forest plantations. This work aims to characterize aspects such ...
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The effect of homeopathic preparations on the activity level of Acromyrmex leaf-cutting ants
... the ants as part of their agro-ecosystem and to accept their presence without unnecessary ...unloaded ants) in the evaluated trials, as well as in other observations (these data are not presented ...
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Economic damage level for leaf-cutting ants in function of the productivity index of eucalyptus plantations in an Atlantic Forest region.
... leaf-cutting ants. The effects of leaf- cutting ant on wood production in differents productivity sites were studied in eucalyptus plantations in the region of Atlantic Forest, Minas Gerais State, ...
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Energy substrate used by workers of leaf-cutting ants during nest excavation
... leaf cutting ants, the diet is composed of soluble car- bohydrates from hyphae of the fungus garden, cultivated by the colony (Silva et al ...by ants are probably very energy ...
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Low variation in ribosomal DNA and internal transcribed spacers of the symbiotic fungi of leaf-cutting ants (Attini: Formicidae)
... Leaf-cutting ants of the genera Atta and Acromyrmex (tribe Attini) are symbiotic with basidiomycete fungi of the genus Leucoagaricus (tribe Leucocoprineae), which they cultivate on vegetable matter inside ...
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Expressed sequence tags from Atta laevigata and identification of candidate genes for the control of pest leaf-cutting ants.
... Leaf-cutting ants are the major neotropical herbivores, many of which are important agricultural ...leaf- cutting ant in South America, and found that 16 of the genes are likely under positively ...
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How load-carrying ants avoid falling over: mechanical stability during foraging in Atta vollenweideri grass-cutting ants.
... load-carrying ants. For many of the measured ants, this range of the head-thorax angles coincided with a strong increase in the torque acting on the neck joint ...grass-cutting ants mainly ...
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Conteúdo energético das operárias da formiga cortadeira, Atta sexdensWorkers energy content in leaf-cutting ants, Atta sexdens.
... The knowledge of the workers energy content is essential to measure the energy availability for maintenance and performance of activities essences for the colony growth. But little is known about the workers energy ...
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Evaluation of the toxicity of Virola sebifera crude extracts, fractions and isolated compounds on the nest of leaf-cutting ants
... All the six compounds 1–6 were evaluated as their insecticidal potential against A. sexdens rubropilosa workers by an ingestion bioassay (Table 3). Although the compounds 2 , 3, 5, and 6 presented statistic difference in ...
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TEMA (São Carlos) vol.16 número1
... leaf-cutting ants’ reoccupation in a specific ...both ants’ displacement from the nest towards the attraction region and their return to the ...
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Um método alternativo para avaliar a equivalência entre tratamentos em análise de sobrevivência Luiz Alexandre PeternelliI Flávia Sílvia Corrêa Tomaz
... According to these results, we conclude that the logistic parametric model was effi cient and as good as the Kaplan-Meier approach to estimate the survival functions of cutting ants submitted to different ...
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The diet of the black widow spider Latrodectus mirabilis (Theridiidae) in two cereal crops of central Argentina
... leaf-cutting ants based on laboratory ...on ants (Formicidae, Hymenoptera), who represented more than 86% of the ...of ants captured by spiders at the beginning of experiences, capturing the ...
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Um método alternativo para avaliar a equivalência entre tratamentos em análise de sobrevivência Luiz Alexandre PeternelliI Flávia Sílvia Corrêa Tomaz
... of cutting ants submitted to different treatments; and (ii) evaluating the use of Ward’s method for clustering similar treatments, based on estimates of the parameters according to the more appropriated ...
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COMPARISON OF RADIAL GROWTH RATE OF THE MUTUALISTIC FUNGUS OF ATTA SEXDENS RUBROPILOSA FOREL IN TWO CULTURE MEDIA
... leaf-cutting ants, has already been pointed out as very ...leaf- cutting ant species (Atta sexdens piriventris) with several culture ...the ants and their fungi are complex, including other ...
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J. Braz. Chem. Soc. vol.16 número6B
... The results presented here suggest that the limonoids and triterpenes isolated from C. fissilis and C. fruticosa are promising in controlling leaf-cutting ants. In continuation of this research, these ...
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J. Braz. Chem. Soc. vol.16 número6B
... dead ants for each Petri dish was counted and a new portion of artificial diet ...leaf-cutting ants of each treatment and calculated the median ...
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PATHOGENICITY OF Bacillus thuringiensis ISOLATED FROM TWO SPECIES OF Acromyrmex (HYMENOPTERA, FORMICIDAE)
... leaf-cutting ants is necessary due to the severe damage they cause to diverse ...from ants of two Acromyrmex species, to evaluate its pathogenicity towards these ants, and to test isolates by ...
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The morphometry of solenopsis fire ants.
... Size-related changes of body shape were explored in 15 polymorphic species of Solenopsis fire ants by analyzing body weight along with linear measurements of 24 body parts. Log regression slopes were used to ...
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