Results 1 to 10 of about 1,006 (167)

Morphology and Histochemistry of the Venom Apparatus in Different Castes of the Ant Ectatomma vizottoi (Formicidae: Ectatomminae) [PDF]

Sociobiology, 2018
The elimination of toxins via a venom gland by some ant species is a component of a larger mechanism for capturing prey and defense. The present study describes the morphology and histochemistry of the venom apparatus of different castes of the ant ...
Luan Dias Lima, Ellen Liciane Barbosa Firmino, Alexsandro Santana Vieira, William Fernando Antonialli-Junior   +3 more
doaj   +9 more sources

Dear Enemy Phenomenon in the Ant Ectatomma brunneum (Formicidae: Ectatomminae): Chemical Signals Mediate Intraspecific Agressive Interactions [PDF]

Sociobiology, 2019
The integrity of ant colonies depends exclusively on social relationships between their individuals, especially the ability of communication between group members, which is mainly mediated through chemical signals.
Márlon César Pereira, Ellen Liciane Barbosa Firmino, Rafaella Caroline Bernardi, Luan Dias Lima, Ingrid de Carvalho Guimarães, Claudia Andrea Lima Cardoso, William Fernando Antonialli Junior   +6 more
doaj   +5 more sources

Morphology of External Genitalia in the Genus Acanthoponera Mayr, with Redescription of A. mucronata (Roger) Male (Hymenoptera: Formicidae: Ectatomminae) [PDF]

Insects
In this study, using scanning electron microscope (SEM) and optical microscopy, we give a detailed description of the Acanthoponera mucronata male, supplementing the former male-based genus diagnoses.
Stefano Cantone, Andrea Di Giulio
doaj   +5 more sources

Variations in the Cuticular Chemical Profile of the Ant Ectatomma brunneum Smith, F. 1858 (Formicidae: Ectatomminae) Across Different Biomes in Brazil [PDF]

Sociobiology
The insect cuticle is composed of chemical compounds that evolved to prevent desiccation and provide defense against pathogens. These compounds were subsequently co-opted for chemical communication and, in social insects, are crucial for nestmate ...
William Fernando Antonialli-Junior, Michele Castro de Paula-Silva, Erika Fernandes Neves, Sidnei Eduardo Lima-Junior, Luis Humberto da Cunha Andrade, Sandro Márcio Lima   +5 more
doaj   +5 more sources

Expanding the Distribution of the Remarkable Ant Gnamptogenys vriesi Brandão & Lattke (Formicidae, Ectatomminae): First Record From Brazil [PDF]

Sociobiology, 2015
Gnamptogenys vriesi Brandão & Lattke is a rare ant originally described based on a worker and on a gyne collected in Morona Santiago province, in Ecuador.
Ricardo Eduardo Vicente, Lívia Pires Prado, Rogério C. L. Santos   +2 more
doaj   +5 more sources

First host record of stylopization of a worker ant, Ectatomma edentatum (Formicidae: Ectatomminae), by a Myrmecolacidae (Strepsiptera) [PDF]

Frontiers in Insect Science
Strepsipterans of the family Myrmecolacidae are endoparasitoid insects of ants distributed worldwide, except in the Palearctic and Antarctic regions.
André L. Marambaia, Jacques H. C. Delabie, Favízia F. de Oliveira, Jeyaraney Kathirithamby   +3 more
doaj   +3 more sources

UCE Phylogenomics Resolves Major Relationships Among Ectaheteromorph Ants (Hymenoptera: Formicidae: Ectatomminae, Heteroponerinae): A New Classification For the Subfamilies and the Description of a New Genus

Insect Systematics and Diversity, 2022
Uncovering the evolutionary history of the subfamilies Ectatomminae and Heteroponerinae, or ectaheteromorphs, is key to understanding a major branch of the ant tree of life. Despite their diversity and ecological importance, phylogenetic relationships in
Branstetter, Michael, Camacho, Gabriela, Feitosa, Rodrigo, Franco, Wesly, Longino, Jack, PIE, MARCIO, Schultz, Ted   +6 more
core   +4 more sources

Assessing the Proteomic Activity of the Venom of the Ant Ectatomma tuberculatum (Hymenoptera: Formicidae: Ectatomminae) [PDF]

Psyche: A Journal of Entomology, 2018
Ectatomma tuberculatum has one of the most toxic venoms known among ants but there is no detailed study on its characteristics. In light of this, knowing the venom’s chemical composition is of paramount importance in order to obtain information about the
Juliana Rocha da Silva, Aline Zanotelli de Souza, Carlos Priminho Pirovani, Helena Costa, Aline Silva, João Carlos Teixeira Dias, Jacques Hubert Charles Delabie, Renato Fontana   +7 more
doaj   +3 more sources

Exposure of Workers of Ectatomma brunneum Smith (Hymenoptera: Formicidae: Ectatomminae) to ant Baits Containing Different Active Ingredients under Laboratory Conditions

EntomoBrasilis, 2015
This work evaluated the short-range mortality of workers of Ectatomma brunneum Smith when exposed to ant baits in laboratory, in order to verify if the attractiveness of this non-target species by ant baits intended to be used in the control of leaf ...
Viviane Cristina Tofolo, Edilberto Giannotti, Marcos Aparecido Pizano   +2 more
doaj   +7 more sources

A new rescue behavior in the ant Ectatomma muticum Mayr, 1870 (Hymenoptera, Formicidae: Ectatomminae) captured by a trapdoor spider of the genus Neodiplothele Mello-Leitão, 1917 (Araneae: Barychelidae)

Entomological Communications
Rescue behavior among eusocial insects, particularly ants (Hymenoptera: Formicidae), is a remarkable cooperative interaction in which individuals risk their lives to save others without direct reward.
André O. Silva-Júnior, Gabriel L. Celante, Adhan G. Carvalho, André F. A. Lira, Benoit J. B. Jahyny   +4 more
doaj   +2 more sources