Results 21 to 30 of about 136,406 (308)

Functional evolution of Lepidoptera olfactory receptors revealed by deorphanization of a moth repertoire

open access: yesNature Communications, 2017
The range of odours that an insect can detect depends on its olfactory receptors. Here, the authors functionally characterize the olfactory receptor repertoire of the mothSpodoptera littoralis using the Drosophilaempty neuron system and reconstruct the ...
Arthur de Fouchier   +13 more
doaj   +1 more source

Chemosensory Exploitation and Predator-Prey Arms Races

open access: yesFrontiers in Ecology and Evolution, 2021
Thousands of armed predatory species, distributed widely across the metazoan tree-of-life, consume only hard-shell or exoskeleton-bearing organisms (called “durophagy”).
Richard K. Zimmer   +4 more
doaj   +1 more source

Opsin expression predicts male nuptial color in threespine stickleback. [PDF]

open access: yes, 2018
Theoretical models of sexual selection suggest that male courtship signals can evolve through the build-up of genetic correlations between the male signal and female preference.
Bolnick, Daniel I   +3 more
core   +2 more sources

Influence of Environmental Factors on Prey Discrimination of Bait-Attracted White Sharks from Gansbaai, South Africa

open access: yesAnimals, 2022
The influence of environmental factors on prey discrimination of bait-attracted white sharks was studied over a six-year period (2008–2013) at Dyer Island Nature Reserve (Gansbaai, South Africa).
Francesca Romana Reinero   +5 more
doaj   +1 more source

The Mormyrid Optic Tectum Is a Topographic Interface for Active Electrolocation and Visual Sensing

open access: yesFrontiers in Neuroanatomy, 2018
The African weakly electric fish Gnathonemus petersii is capable of cross-modal object recognition using its electric sense or vision. Thus, object features stored in the brain are accessible by multiple senses, either through connections between ...
Malou Zeymer   +2 more
doaj   +1 more source

Functional differences in echolocation call design in an adaptive radiation of bats

open access: yesEcology and Evolution, 2021
All organisms have specialized systems to sense their environment. Most bat species use echolocation for navigation and foraging, but which and how ecological factors shaped echolocation call diversity remains unclear for the most diverse clades ...
Leith B. Leiser‐Miller   +1 more
doaj   +1 more source

Influence of blood meal on the responsiveness of olfactory receptor neurons in antennal sensilla trichodea of the yellow fever mosquito, Aedes aegypti [PDF]

open access: yes, 2010
In female Aedes aegypti L. mosquitoes, a blood meal induces physiological and behavioral changes. Previous studies have shown that olfactory receptor neurons (ORNs) housed in grooved peg sensilla on the antennae of Ae.
Hansson, Bill   +3 more
core   +1 more source

The forgotten pollinators – First field evidence for nectar-feeding by primarily insectivorous elephant-shrews

open access: yesJournal of Pollination Ecology, 2015
Pollination of plants by non-flying mammals, such as mice (Rodentia), is a rarely observed phenomenon. Previously, elephant-shrews (Macroscelidea), small African mammals looking similar to mice, but not being related to them, were believed to be purely ...
Petra Wester
doaj   +1 more source

Sensory Ecology of Ostariophysan Alarm Substances

open access: yesJournal of Fish Biology, 2018
Chemical communication of predation risk has evolved multiple times in fish species, with the conspecific alarm substance (CAS) contemporaneously being the most well understood mechanism. CAS is released after epithelial damage, usually when prey fish is captured by a predator, and elicits neurobehavioral adjustments in conspecifics which increase the ...
Caio Maximino   +15 more
openaire   +4 more sources

Female mating preferences in blind cave tetras Astyanax fasciatus (Characidae, Teleostei). [PDF]

open access: yes, 2006
The Mexican tetra Astyanax fasciatus has evolved a variety of more or less color- and eyeless cave populations. Here we examined the evolution of the female preference for large male body size within different populations of this species, either surface-
Plath, Martin   +4 more
core   +1 more source

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