Results 1 to 10 of about 16,795 (181)

Wing sexual dimorphism of pathogen-vector culicids [PDF]

open access: yesParasites & Vectors, 2015
Background Sexual dimorphism in animals has been studied from different perspectives for decades. In 1874 Darwin hypothesized that it was related to sexual selection, and even after nearly 140 years, when additional empirical data has become available ...
Flávia Virginio   +2 more
doaj   +3 more sources

Insulin receptors and wing dimorphism in rice planthoppers. [PDF]

open access: yesPhilos Trans R Soc Lond B Biol Sci, 2017
Wing polymorphism contributes significantly to the success of a wide variety of insects. However, its underlying molecular mechanism is less well understood. The migratory planthopper (BPH),Nilaparvata lugens, is one of the most extensively studied insects for wing polymorphism, due to its natural features of short- and long-winged morphs.
Xu HJ, Zhang CX.
europepmc   +4 more sources

A large genomic insertion containing a duplicated follistatin gene is linked to the pea aphid male wing dimorphism [PDF]

open access: yeseLife, 2020
Wing dimorphisms have long served as models for examining the ecological and evolutionary tradeoffs associated with alternative phenotypes. Here, we investigated the genetic cause of the pea aphid (Acyrthosiphon pisum) male wing dimorphism, wherein males
Binshuang Li   +8 more
doaj   +2 more sources

A-to-I RNA editing of CYP18A1 mediates transgenerational wing dimorphism in aphids [PDF]

open access: yeseLife
Wing dimorphism is a common phenomenon that plays key roles in the environmental adaptation of aphid; however, the signal transduction in response to environmental cues and the regulation mechanism related to this event remain unknown.
Bin Zhu   +5 more
doaj   +2 more sources

Transcriptome profiling of maternal stress-induced wing dimorphism in pea aphids. [PDF]

open access: yesEcol Evol, 2019
AbstractWing dimorphism, that is, wingless and winged forms, can be induced by maternal stress signals and is an adaptive response of aphids to environmental changes. Here, we investigated the ecological and molecular effects of three kinds of stress, namely crowding, predation, and aphid alarm pheromone, on wing dimorphism.
Hu L, Gui W, Chen B, Chen L.
europepmc   +5 more sources

Sexual Size Dimorphism and Body Condition in the Australasian Gannet. [PDF]

open access: yesPLoS ONE, 2015
Sexual size dimorphism is widespread throughout seabird taxa and several drivers leading to its evolution have been hypothesised. While the Australasian Gannet (Morus serrator) has previously been considered nominally monomorphic, recent studies have ...
Lauren P Angel   +5 more
doaj   +8 more sources

Sexual size dimorphism and morphological sex determination in the Yellow-browed Bunting (Emberiza chrysophrys) [PDF]

open access: yesBMC Zoology
Background Sex-differential migration patterns may coevolve with sexual size dimorphism, and reliable field sexing is necessary to understand this relationship.
Seyoung Park   +5 more
doaj   +2 more sources

Scaling Relationships and Sexual Size Dimorphism Among the Body Parts of Holotrichia oblita (Coleoptera: Scarabaeidae) [PDF]

open access: yesEcology and Evolution
Sexual dimorphism is common among insects. However, whether dimorphism influences the wing loading (i.e., body mass per unit wing area) and scaling relationships among body parts in beetles has seldom been explored.
Mengmeng Zhu   +5 more
doaj   +2 more sources

iTRAQ-Based Comparative Proteomic Analysis Reveals Molecular Mechanisms Underlying Wing Dimorphism of the Pea Aphid, Acyrthosiphon pisum [PDF]

open access: yesFrontiers in Physiology, 2018
Wing dimorphism is a widespread phenomenon in insects with an associated trade-off between flight capability and fecundity. Despite the molecular underpinnings of phenotypic plasticity that has already been elucidated, it is still not fully understood ...
Limei Song   +6 more
doaj   +2 more sources

Experimental evidence for density-determined wing dimorphism in two bush-crickets (Ensifera: Tettigoniidae) [PDF]

open access: yesEuropean Journal of Entomology, 2009
Macroptery is common in many species of Orthoptera, but the causes are still discussed. Besides the assumption that macroptery is genetically determined, there is evidence that wing dimorphism is induced by environmental factors, particularly population ...
Dominik PONIATOWSKI, Thomas FARTMANN
doaj   +3 more sources

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