LILACS – Literatura Latinoamericana y del Caribe de Ciencias de la Salud | LILACS

Results: 19

Mating behavior of the lemon shark, Negaprion brevirostris (Carcharhiniformes: Carcharhinidae), as revealed by citizen science in the Equatorial Atlantic Ocean

Rev. biol. trop; 70 (1), 2022
Introduction: Knowledge on the mating behavior and habitat requirements of large sharks, including the lemon shark, Negaprion brevirostris, is scarce, hampering conservation efforts. Objective: To describe an area in the Equatorial Atlantic used as a mating ground by N. brevirostris, as well as part of t...

E quando o namoro chega ao fim?: um estudo exploratório sobre a experiência do término do namoro entre jovens universitários

Vínculo; 19 (2), 2022
This study aims to understand how young people experience the end of romantic relationships nowadays, as well as the consequences of this event in the youth bonding experiences. This qualitative research relied on semi-structured interviews as a method for data collection, which was analyzed through an a...

A formação do casal conjugal: um enfoque psicanalítico

Pensando fam; 23 (1), 2019
O presente estudo tem como objetivo investigar o modo como o casal se constitui, com base no enfoque psicanalítico, levando em consideração os aspectos intrapsíquicos e intersubjetivos examinam-se, inicialmente, a escolha amorosa como base do processo identificatório e suas implicações na formaçÃ...

Casamento de longa duração à luz da terapia sistêmica familiar: um levantamento da produção contemporânea

Pensando fam; 23 (1), 2019
Realizada uma revisão de literatura envolvendo a Terapia Familiar Sistêmica e o trabalho com casais e as estruturas que caracterizam um casamento de longa duração. Considerando que um relacionamento saudável e estável é marcado pela presença de uma identidade conjugal permeada pelas trocas afetiv...

Efectos de la cópula y el tamaño del macho sobre el comportamiento de ovipostura en la mosca estercolera Archisepsis diversiformis (Diptera: Sepsidae)

Rev. biol. trop; 57 (supl.1), 2009
Effects of copulation and male size on the oviposition behavior of the manure fly Archisepsis diversiformis (Diptera: Sepsidae). I evaluated the effect of copulation as a stimulation factor for oviposition of Archisepsis diversiformis by using two different age groups of females. In addition, I tested th...

Genitalic stridulation during copulation in a species of crane fly, Tipula (Bellardina) sp. (Diptera: Tipulidae)

Rev. biol. trop; 57 (supl.1), 2009
The male genitalia of many animal groups have elaborate and species-specific forms. One hypothesis  to explain why this is so is that male genitalia function as stimulatory devices that are under sexual selection by cryptic female choice. This report is based on a videotaped observation of a single male...

Acoustic courtship songs in males of the fruit fly Anastrepha ludens (Diptera: Tephritidae) associated with geography, mass rearing and courtship success

Rev. biol. trop; 57 (supl.1), 2009
The Sterile Insect Technique (SIT) has been used successfully to control or eradicate fruit flies. The commonly observed inferiority of mass-reared males, compared with wild males, when they are paired with wild females, is apparently due to their inadequate courtship. Anastrepha ludens males produce two...

Substrate vibrations in the scorpion Centruroides margaritatus (Scorpiones: Buthidae) during courtship

Rev. biol. trop; 57 (supl.1), 2009
Mating behavior in Centruroides margaritatus, as in other scorpion species, includes a series of rapid rocking or shaking movements of the male ("juddering"). It has been suggested that substrate vibrations are generated by juddering and that females respond to them by approaching the male, but its funct...

Variabilidade genética e limite da seleção em populações de diferentes tipos de acasalamento
Genetic variability and selection limit in populations of different mating designs

Populações de cinco diferentes tipos de acasalamento, submetidas à seleção baseada no melhor preditor linear não-viesado (BLUP), foram avaliadas quanto às perdas genéticas por fixação de alelos desfavoráveis e limite da seleção, durante 50 gerações. Foram utilizados dados simulados na obte...