Results 71 to 80 of about 19,504 (188)
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plants use physical barriers and chemical compounds to defend themselves against natural enemies. For instance, tough leaves are considered to be better defended than soft leaves, part of a spectrum of defences defined by functional traits such as leaf chemistry ...
Bolívar Aponte Rolón +3 more
wiley +1 more source
Leaf-cutter ant species (Atta spp.) are key pests of cultivated crops in the Neotropics, and recent studies have demonstrated that workers of Atta spp., particularly of Atta sexdens rubropilosa, exhibit aggressive behavior among nestmates when in contact
Marinho, C.G.S. +5 more
core +1 more source
Distressed Camponotus modoc carpenter ants emit alarm pheromone and produce vibratory alarm signals. Presented as a monomodal signal, the pheromone attracts nestmates, whereas vibratory signals cause nestmates to “freeze” or to run fast. Sensing a bimodal signal complex, nestmates are less attracted to pheromone but stay “frozen” longer which seems ...
Asim Renyard, Gerhard Gries
wiley +1 more source
Musa acuminata pseudostem extract on the control of Atta sexdens rubropilosa
Currently, few active principles are authorized by the forest certification for the control of insect pests, with which it is necessary to develop new products, mainly aiming at lower environmental impact. The plants are able to develop substances called secondary metabolites, widely studied as an alternative form of pest control.
da Silva, Thais Cibeli +3 more
openaire +5 more sources
sexdens (Linnaeus 1758). Caaguazú, Canindeyú, Central, Cordillera, Misiones, Paraguarí, San Pedro, “Guañayos” (Dept. unknown) “ Paraguay ” (s. loc.) (ALWC, IFML, INBP, LACM, MCSN, MHNG, MZSP, NHMB, NHMW, USNM). Literature records: Alto Paraná, Caaguazú, Caazapá, Canindeyú, Central, Concepción, Cordillera, Guairá, Itapúa, Misiones, Ñeembucú, Paraguarí ...
openaire +1 more source
Rare plant and vertebrate species have been documented to contribute disproportionately to the total morphological structure of species assemblages. These species often possess morphologically extreme traits and occupy the boundaries of morphological space.
Joudellys Andrade‐Silva +7 more
wiley +1 more source
ATIVIDADE ANTIMICROBIANA DE SUBSTÂNCIAS GLANDULARES DE Atta sexdens (HYMENOPTERA: FORMICIDAE) [PDF]
As a defense strategy, Atta ants evolved with the production of glandular secretions that act as antibiotics. In this context, the aim of this study was to evaluate the antimicrobial activity of glandular secretions from Atta sexdens specie.
Dal Magro, Jacir +6 more
core +1 more source
Eficiência de isca formicida aplicada sobre o monte de terra solta de ninhos de Atta sexdens rubropilosa (Hymenoptera: Formicidae) [PDF]
Avaliou-se a eficiência de uma isca granulada à base de sulfluramida (0,3%) aplicada em olheiros situados sobre o monte de terra solta, em comparação com o sistema convencional de aplicação nos olheiros fora desses montes, no combate a Atta sexdens ...
Ronald Zanetti +3 more
doaj +1 more source
Conteúdo energético das operárias da formiga cortadeira, Atta sexdens [PDF]
O conhecimento do conteúdo energético das operárias é essencial para mensurar a disponibilidade energética, responsável pela manutenção e execução de atividades essenciais para o crescimento da colônia de formigas. Mas pouco se conhece sobre o conteúdo energético das operárias e quanto estará disponível para realizar atividades de, por exemplo, escavar
Camargo, Roberto da Silva +2 more
openaire +6 more sources
An evident sexual dimorphism concerning antennae length, types, number, and distribution of chemosensilla is shown. Long sensilla basiconica are present in females and could play a role in the host location and/or maternal care. Multiporous sensilla chaetica, longer and mostly represented in males, could play a role in intraspecific relationships ...
Paolo Masini +4 more
wiley +1 more source

