BACKGROUND Stingless bees were significant resources managed by Mesoamerican peoples during pre-Columbian times and remain important in particular areas. Our study aimed at inventorying stingless bees' species, traditional knowledge and forms of use and management of them at the municipality of Nocupetaro, Michoacán, Mexico, a region of the Balsas River Basin. METHODS We inventoried the sting...

Polistes dominulus females that adopt nests are less cooperative and may expend less energy than nest founding wasps. In an enclosure, 14 nests were adopted by individuals previously unassociated with any nest. No preference for enclosure or non-enclosure nests was detected, suggesting that adopters do not preferentially secure nests containing non-descendent kin. Instead, adopters — who were s...

Urban bee ecology is an emerging field that holds promise for advancing knowledge of bee community dynamics and promoting bee conservation. Published studies of bee communities in urban and suburban habitats are fewer than those documenting bees in agricultural and wildland settings. As land lost to urbanization is predicted to increase in coming years the necessity of studying urban bee popula...

0

Acute bee paralysis virus (ABPV) is a small single stranded RNA virus recently classified within the family Dicistroviridae, genus Cripavirus. Here, we describe the first study of ABPV in unhealthy bee colonies, which has been an unusual loss in adult bee population and significant honey bee mortality during the year. The aim of this study was evaluation of ABPV infection in honey bee colonies ...

In nesting survival studies nests are not found until after incubation has begun and therefore nests which fail are of unknown age while nests which succeed can be aged afterwards. Typically ornithologists have considered the survival time to be from first encounter and have used the Mayfield method (Mayfield 1961, 1975) or variations of it. Here we consider a new discrete survival model which ...

A majority of loop restructuring techniques developed so far assume that loops are perfectly nested. The unimodular approach unifies three individual transformations – loop interchange, skewing and reversal – but is still limited to perfect loop nests. This paper outlines a framework that enables the use of unimodular transformations to restructure imperfect loop nests. The concepts previously ...

Predation is one of the main factors explaining nesting mortality in most bird species. Birds can avoid nest predation or reduce predation pressure by breeding at higher latitude, showing anti-predator behaviour, selecting nest sites protected from predators, and nesting in association with protective species. American Golden-Plovers (Pluvialis dominica) defend their territory by using various ...

The purpose of this study is threefold. First, it aims to discuss the concept native-speakerism in English language teaching and how such an ideology still manifested discriminatory practices between native English-speaking teachers (NESTs) non-native (non-NESTs). Second, seeks explore Moroccan EFL students’ (MEFLSs) attitudes towards NESTs non-NESTs. Finally, endeavours measure teachers’ (MEFL...