In the Epiponini, queen number declines through colony cycle, because some queens are expelled from colonies. Here we demonstrate that Epiponini wasps may accept expelled queens in situations of queenlessness. One colony ...

The investigation seeks to know what are the perspectives that a group of ten Drag Queens from the cities of Cuenca and Quito have about their gender identity. In order to carry out this study, a six questions semi-structured ...

Background: In humans and bitchs the age is another factor that may affect the size of ovarian structures, verifying alterations in the quality of the pool and size of follicular structures, which can compromise the use ...

Background: In humans and bitchs the age is another factor that may affect the size of ovarian structures, verifying alterations in the quality of the pool and size of follicular structures, which can compromise the use ...

Male behavior of Neotropical swarm-founding wasps has rarely been observed. The few published observations about male activities only describe their behavior during the short period they spend inside nests. In consequence, ...

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 ...

Exposure to certain arsenic (As) species has been associated with increased cancer risk and a wide range of other health concerns, even at low levels. Here we used urine as a biomarker of As internal dose in a well-characterized ...