1. Sexuals of a leaf-cutting ant, Atta bisphaerica Forel, left their nest for nuptial flights in October to December.2. When leaving a nest, 53 of the 479 winged sexuals (or alates) observed (11.1%) carried up to three ...

In line with studies in Demographic History and Family History, this article aims to rescue aspects related to nuptiality experienced by Italians and their descendants in the municipality of Franca, in the interior of the ...

1. Sexuals of a leaf-cutting ant, Atta bisphaerica Forel, left their nest for nuptial flights in October to December.2. When leaving a nest, 53 of the 479 winged sexuals (or alates) observed (11.1%) carried up to three ...

Signaling the ability to provision limited re-sources to a mate's reproductive success should be favored by sexual selection. In many taxa, female mate choice is driven by courtship offerings in the form of nutritional ...

Nuptial pads are present in a wide range of anuran species. These structures are composed by epidermal and dermal thickening, with the presence of nuptial glands or not. Nuptial pads are linked with amplex optimization, ...

The nuptial pad is a secondary sexual character found in anuran amphibians. It includes modified epidermal and dermal tissues and is usually located on the first digit of the hand of males. In this study, we review the ...

The males of the freshwater snail Pomacea canaliculata have a copulatory apparatus consisting in a delicate penis running through a muscular channeled sheath bearing three different glands. The outer gland is the most ...