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Morphology, evolution and usage of urticating setae by tarantulas (Araneae: Theraphosidae)

Rev. Bras. Zool.

Bertani,Rogério; Guadanucci,José Paulo Leite.

Urticating setae are exclusive to New World tarantulas and are found in approximately 90% of the New World species. Six morphological types have been proposed and, in several species, two morphological types can be found in the same individual. In the past few years, there has been growing concern to learn more about urticating setae, but many questions still remain unanswered. After studying individuals from several theraphosid species, we endeavored to find more about the segregation of the different types of setae into different abdominal regions, and the possible existence of patterns; the morphological variability of urticating setae types and their limits; whether there is variability in the length of urticating setae across the abdominal area; and...

Tipo: Info:eu-repo/semantics/article

Palavras-chave: Ant; Defensive behavior; Phoridae; Urticaria; Urticating hair.

Ano: 2013

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000400006

Combate a formiga caçarema (Azteca chartifex For.).

Infoteca-e

COSTA, A. da S.; FRAZÃO, D. A. C..

Tipo: Folhetos

Palavras-chave: Controle; Azteca chartifex; Ant; Control; Cocoa; Pest; Cacau; Formiga; Praga.

Ano: 1973

URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/376741

Multitrophic relationships, conditional mutualisms, and the study of interaction biodiversity in tropical savannas

Neotropical Entomology

Del-Claro,Kleber.

Biodiversity as a focus for conservation efforts has received increased attention since the second half of the last century. Until recently a more landscape-level view of biodiversity has prevailed. This essay proposes to discuss natural diversity in ways that embrace the extreme richness inherent in plant animal interactions, including not only trophic relationships, but also aspects of life history, biology, and behavior of related species. The ant-plant-herbivore systems in Cerrado vegetation are pointed out as good model for gaining a better understanding of "interaction biodiversity".

Tipo: Info:eu-repo/semantics/article

Palavras-chave: Ant; Cerrado; Extrafloral nectary; Herbivory; Plant.

Ano: 2004

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2004000600002

Azteca barbifex Forel (Hymenoptera: Formicidae): potential pest of citrus crops in eastern Amazon

Neotropical Entomology

Farias,Paulo R S; Harada,Ana Y; Silva,Anderson G; Monteiro,Bruno S; Rodrigues,Nara E L; Santos,Naira A.

Damage caused by the ant Azteca barbifex (Forel) was identified in orange trees (Citrus sinensis), in Capitão Poço County, Guamá microregion, Pará State. The damage caused by the scraping of stems and branches lead to reduction in yield with subsequent death of the plant. These characteristics indicate A. barbifex as a potential pest of citrus crops in the eastern region of Amazon.

Tipo: Info:eu-repo/semantics/article

Palavras-chave: Ant; Citrus sinensis; Monoculture.

Ano: 2010

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2010000600035

Ants as prey of the yezo brown bear ursus arctos yesoensis，with considerations on its feeding habit

OAK

Onoyama, Keiichi; 小野山, 敬一.

Palavras-chave: Bear; Ant; Food preference; Habitat; Nest.

Ano: 1988

URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1543

Revision of the Neotropical spider genus Gephyroctenus (Araneae: Ctenidae: Calocteninae)

Zoologia

Polotow,Daniele; Brescovit,Antonio D..

Gephyroctenus Mello-Leitão, 1936 (type species G. philodromoides Mello-Leitão, 1936) is revised. Three species formerly described in this genus are synonymized with species from other genera: G. kolosvaryi Caporiacco, 1947, with Acanthoctenus spinipes Keyserling, 1877, G. parvus Caporiacco, 1947, with Phymatoctenus comosus Simon, 1897, and G. vachoni Caporiacco, 1955, with Caloctenus gracilitarsis Simon, 1897. Eight new species are described: G. portovelho sp. nov., from the States of Rondônia and Amazonas, Brazil; G. divisor sp. nov. and G. acre sp. nov., from the State of Acre, Brazil; G. atininga sp. nov., G. esteio sp. nov. and G. mapia sp. nov., from the State of Amazonas, Brazil; G. juruti sp. nov., from the Department of Loreto, Peru and the State...

Tipo: Info:eu-repo/semantics/article

Palavras-chave: Ant; Azteca; Cecropia; Taxonomy; Trumpet tree.

Ano: 2008

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752008000400016

Neuropile organization in the brain of Acromyrmex (Hymenoptera, Formicidae) during the post-embryonic development

BABT

Soares,Paula Andréa Oliveira; Delabie,Jacques Hubert Charles; Serrão,José Eduardo.

Neuropile is the region of the central nervous system where the synapses and neurons branching occur. During the development of an holometabolous insect can occurs break of the neurons fibers forming new axon and dendrites and their distribution in brain neuropile is organized so as to reflect specific nervous functions of adult insects. The components of this organization were observed and discussed in this study in the ant Acromyrmex octospinosus, evidencing similar features to those described for A. subterraneus subterraneus, among other insects for the which ones this information is available.

Tipo: Info:eu-repo/semantics/article

Palavras-chave: Neuropile; Nervous system; Ant; Neuronal reorganization.

Ano: 2004

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000400017

Nidification of Polybia rejecta (Hymenoptera: Vespidae) associated to Azteca chartifex (Hymenoptera: Formicidae) in a fragment of Atlantic Forest, in the state of Minas Gerais, southeastern Brazil

Biota Neotropica

Souza,Marcos Magalhães de; Pires,Epifânio Porfiro; Prezoto,Fábio.

Records to nesting between associated social wasp Polybia rejecta(Fabricius, 1798) and the ant Azteca chartifex Forel, 1896 in the Parque Estadual do Rio Doce, Minas Gerais, are reported. This association is reported for the first time in this biome. Twelve colonies of P. rejecta founded close to nests of A. chartifex were observed. The wasp colonies were founded at a distance of about 10-20 cm from the ant nest and they did not overlap. The nests of wasps were smaller compared to ant, but the coloring was similar protective casing, making it difficult to differentiate between the wasp nest and the ant.

Tipo: Info:eu-repo/semantics/article

Palavras-chave: Interaction; Social wasp; Ant; Atlantic Forest; Colonies.

Ano: 2013

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032013000300390

Evaluation of the possible role of ants (Hymenoptera: Formicidae) as mechanical vectors of nematodes and protists

BABT

Villani,Fabio; Morini,Maria Santina de Castro; Franco,Marco Antonio; Bueno,Odair Correa.

Nematodes and protists can be transmitted to humans in many ways and little concern has been given to the mechanical transmission by ants. This study aimed at analysing how the eggs of Ascaris lumbricoides and cysts of Entamoeba coli could be mechanically transmitted to the man by Formicidae. Through the experiments using nests of Tapinoma melanocephalum, Linepithema humile and Monomorium pharaonis reared in the laboratory allied to observations of some 17 ant species in an urban park area in Mogi das Cruzes (SP), it was found that L. humile was capable of carrying eggs of A. lumbricoides both in the field and laboratory conditions (1 worker), as well as was Camponotus rufipes (2), Solenopsis saevissima (1) and Acromyrmex niger (1). The cysts of...

Tipo: Info:eu-repo/semantics/article

Palavras-chave: Ascaris lumbricoides; Entamoeba coli; Ant; Mechanical vector.

Ano: 2008

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000500008

Ultramorphology and histology of the larval salivary gland of Pachycondyla villosa (Fabricius) (Hymenoptera: Formicidae, Ponerinae)

Neotropical Entomology

Zara,Fernando J.; Caetano,Flávio H..

The salivary gland possesses a single anterior duct with a columnar epithelium, two lateral ducts with simple cubical epithelium, which becomes columnar in the proximal portion, and two thin-walled reservoirs, from which two secretory regions arise. The dorsal and ventral branches of the secretory regions are connected via transverse commissures and ends in a loop. The secretory region is uniform and consists on a simple cubical epithelium. This paper also presents a review on the morphology of the salivary glands in insects, mainly in Hymenoptera-Aculeata.

Tipo: Info:eu-repo/semantics/article

Palavras-chave: Insect; Ant; SEM; Morphology.

Ano: 2003

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2003000100008

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