Increase in protandry over time in a long‐distance migratory bird [PDF]
Protandry is a widespread life‐history phenomenon describing how males precede females at the site or state of reproduction. In migratory birds, protandry has an important influence on individual fitness, the migratory syndrome, and phenological response
Johanna Hedlund +4 more
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Exploring protandry and pupal size selection for Aedes albopictus sex separation [PDF]
Background We explored the possibility to improve male/female separation (sexing) in Aedes albopictus by selection of two strains, one toward increasing sex dimorphism and another toward increasing protandry.
Romeo Bellini +4 more
doaj +7 more sources
Temporal Dynamics of Nectar and Pollen Production in Protandrous Flowers of Nigella damascena [PDF]
This study examined nectar and pollen production as well as pollinator visitation in Nigella damascena (Ranunculaceae), an annual ornamental and seed crop, over two flowering seasons.
Zuzanna Łabęcka +2 more
doaj +2 more sources
Life History of the Giant Looper Moth Ascotis selenaria (Lepidoptera: Geometridae) in Eucalyptus Plantations and the Effect of Adult Mating Age on Fecundity [PDF]
Ascotis selenaria has recently shifted hosts to become a major defoliator in Southern China’s eucalyptus plantations. To facilitate Integrated Pest Management (IPM), we investigated the genetic origins, life history, and reproductive bio-ecology of this ...
Shuai Yuan +6 more
doaj +2 more sources
Evolutionary trade-offs in dormancy phenology [PDF]
Seasonal animal dormancy is widely interpreted as a physiological response for surviving energetic challenges during the harshest times of the year (the physiological constraint hypothesis).
Théo Constant +3 more
doaj +2 more sources
Different ecological demands shape differences in population structure and behaviour among the two generations of the small pearl-bordered fritillary [PDF]
The population structure and behaviour of univoltine butterfly species have been studied intensively. However, much less is known about bivoltine species.
Ann-Kathrin Sing +5 more
doaj +3 more sources
Mosquito sex separation using complementation of selectable traits and engineered neo-sex chromosomes [PDF]
Effective sex separation remains a critical challenge for mosquito genetic control. Genetic sexing strains (GSS) address this by linking maleness with selectable traits, enabling efficient female removal.
Doron S. Y. Zaada +10 more
doaj +2 more sources
Coping with Environmental Extremes: Population Ecology and Behavioural Adaptation of Erebia pronoe, an Alpine Butterfly Species [PDF]
A mark-recapture study of the nominotypical Erebia pronoe in the Alps was conducted to survey its ecological demands and characteristics. Population structure analysis revealed a combination of protandry (one-week earlier eclosion of males) and serial ...
Martin Wendt +3 more
doaj +2 more sources
Protandric Transcriptomes to Uncover Parts of the Crustacean Sex-Differentiation Puzzle
Hermaphrodite systems offer unique opportunities to study sexual differentiation, due to their high degree of sexual plasticity and to the fact that, unlike gonochoristic systems, the process is not confined to an early developmental stage. In protandric
Tom Levy +12 more
doaj +1 more source
Innate sex differences in the timing of spring migration in a songbird. [PDF]
In migrating animals protandry is the phenomenon whereby males of a species arrive at the breeding grounds earlier than females. In the present study we investigated the proximate causes of protandry in a migratory songbird, the northern wheatear ...
Ivan Maggini, Franz Bairlein
doaj +1 more source

