Females mate with males with diminished pheomelanin-based coloration in the Eurasian nuthatch Sitta europaea

Sexual selection can drive the evolution of phenotypic traits because of female preferences for exaggerated trait expression in males. Sexual selection can also lead to the evolutionary loss of traits, a process to which female preferences for diminished male trait expression are hypothesized to contribute. However, empirical evidence of female preferences for diminished male traits is virtually lacking. Eurasian nuthatches Sitta europaea provide an opportunity to test this possibility, as a...

Use of commercial bumble bees as pollinators in the strawberry “Fortuna” crops does not enhance crop yield

Animal-mediated pollination is essential for the production and quality of fruits and seeds of many crops consumed by humans. However, crop pollination services might be compromised when wild pollinators are scarce. Managed pollinators are commonly used in crops to supplement such services with the assumption that they will enhance crop yield. However, information on the spatiotemporal pollinator-dependence of crops is still limited. The contribution of commercial bumble bee colonies compared...

BMS Spain: Annual Report 2017

BMS Spain is a butterfly monitoring program created in 2014 with the aim of creating a tool for studying the butterfly populations and their habitats of in Spain. Through monitoring, among others, population trends, phenological changes and the conservation status of species can be known. The large scale infrastructure of EBD-CSIC (ICTS-RBD) supports this initiative through its data platform

First Radiological Study of a Complete Dental Ontogeny Sequence of an Extinct Equid: Implications for Equidae Life History and Taphonomy

The sequence of cheek teeth mineralization, eruption, and replacement of an extinct horse species is here documented with radiological techniques for the first time thanks to the exceptional preservation of Hipparion sp. mandibles from Cerro de los Batallones (Madrid Basin, Spain). The sequence of dental ontogeny in mammals provides valuable insights about life history traits, such as the pace of growth, and about the mode of formation of fossiliferous assemblages.

Aedes vittatus in Spain: current distribution, barcoding characterization and potential role as a vector of human diseases

Aedes vittatus is currently found in Africa, Asia and Europe, where it acts as a vector of pathogens causing animal and human diseases. Like other Aedes species, Ae. vittatus is able to breed in artificial containers. The European Centre for Disease Prevention and Control has recently highlighted the need for molecular tools (i.e. barcoding characterization) that enable Aedes species to be identified in entomological surveys.