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An investigation into the male reproductive system of two freshwater crabs from the Amazon: is there a sperm plug or packet formation?
(2018-07-04)
The male reproductive system of Amazon freshwater crabs Sylviocarcinus pictus and Dilocarcinus pagei were described and compared in terms of anatomy and histochemistry In addition, sperm transfer experiments of D. pagei ...
Habitat-related differences in the pre-copulatory guarding and copulation behavior of Neohelice granulata (Brachyura, Grapsoidea, Varunidae)
(Elsevier Science, 2014-12)
Mating behavior strategies of brachyuran crabs are flexible depending on the habitat and social context. We evaluate pre-copulatory guarding in Neohelice granulata and describe the unusual copulatory behavior. Laboratory ...
Weak premating isolation between two parapatric brocket deer species
(2017-11-01)
Brocket deer Mazama nemorivaga and M. gouazoubira occur at the Amazon basin and southern areas, respectively, in parapatric distribution ranges. Both species can interbreed in captivity, although hybrids have serious ...
Reproductive behaviour of three species of freshwater crabs of the family Trichodactylidae (Crustacea: Decapoda) including forced copulation by males
(Taylor & Francis Ltd, 2015-03)
This report includes a detailed description of the reproductive behaviour of the freshwater crab Zilchiopsis collastinensis in the family Trichodactylidae and some observations on two other genera. It presents observations ...
Behaviour of Triaomines (Hemiptera: Rediviidae) vectors of Chagas` Disease. II. Influence of feeding, lighting and time of day on the number of matings, mating speed and duration of copulation of Pastrongylus Megistus (Burm, 1835) under laboratory conditions
(Fundação Oswaldo Cruz. Instituto Oswaldo Cruz., 2019)
Copulatory dialogue: female spiders sing during copulation to influence male genitalic movements
(Animal Behaviour, 2006, 72, 413-421, 2006)
Female behaviour during copulation that could function as communication with the male is probably more common than previously appreciated, but its functional significance remains little studied. Stridulation during copulation ...
Copulatory dialogue: female spiders sing during copulation to influence male genitalic movements
(Animal Behaviour, 2006, 72, 413-421, 2006)
Female behaviour during copulation that could function as communication with the male is probably more common than previously appreciated, but its functional significance remains little studied. Stridulation during copulation ...
Sexual cannibalism in the spider Alpaida veniliae (Keyserling 1865) (Araneae: Araneidae)
(American Arachnological Society, 2015-04)
Postmating cannibalism where a female attacks, kills and consumes a male after a sexual encounter is frequently influenced by certain male morphological and behavioral characteristics. We conducted behavioral assays in the ...
Different levels of polyandry in two populations of the funnel-web wolf spider Aglaoctenus lagotis from South America
(Springer Tokyo, 2019-09-29)
Populations of a species may show variation in mating systems, especially when the species is widely distributed. Aglaoctenus lagotis is a funnel-web wolf spider distributed in South America and with a ‘central Argentina ...
As sentenças com é ruim que no português brasileiro
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Estudos da LinguagemLinguística Aplicada; Literatura Comparada, 2014-01-31)
Based on studies on the structure of copulates sentences in Brazilian Portuguese (PB),
according to grammar theory, it s analyzed on this dissertation, the complex copulate
sentences what, in the PB, initiated by the ...