Results 191 to 200 of about 341,884 (242)
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Involvement of heat shock protein 40 in the wing dimorphism of the house cricket Acheta domesticus.
Journal of insect physiology, 2019Wing dimorphism is a common phenomenon in a wide range of insect taxa. In most insects, the two morphs are macropterous and micropterous, in extreme cases of the latter, wing shedding can occur. Wing dimorphism contributes significantly to the ecological
Qi Chen +7 more
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Natural Selection and Sexual Size Dimorphism in Red-Winged Blackbirds
Evolution, 1994Patterns of overwinter mortality in the sexually dimorphic red-winged blackbird (Agelaius phoeniceus) were examined to test the predictions of the sexual-selection hypothesis that male size is limited by directional selection favoring small males and that female size is maintained by stabilizing selection wherein extreme phenotypes experience higher ...
Patrick J, Weatherhead, Robert G, Clark
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Insect Science
Wing dimorphism is regarded as an important phenotypic plasticity involved in the migration and reproduction of aphids. However, the signal transduction and regulatory mechanism of wing dimorphism in aphids are still unclear.
Yunhui Zhang +5 more
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Wing dimorphism is regarded as an important phenotypic plasticity involved in the migration and reproduction of aphids. However, the signal transduction and regulatory mechanism of wing dimorphism in aphids are still unclear.
Yunhui Zhang +5 more
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Analysis of the roles of MAD proteins in the wing dimorphism of Nilaparvata lugens
Insect ScienceWing dimorphism in Nilaparvata lugens is controlled by the insulin‐like growth factor 1 (IGF‐1) signaling – Forkhead transcription factors (IIS‐FoxO) pathway. However, the role of this signal in the wing development program remains largely unclear. Here,
Miaomiao Tian +7 more
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Biological control (Print), 2019
Sclerodermus pupariae Yang et Yao (Hymenoptera: Bethylidae), a newly described ectoparasitoid, has been used as a biocontrol agent against several buprestid and cerambycid pests in China. Both winged and wingless female morphs of S. pupariae can find and
Shuai Hu +3 more
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Sclerodermus pupariae Yang et Yao (Hymenoptera: Bethylidae), a newly described ectoparasitoid, has been used as a biocontrol agent against several buprestid and cerambycid pests in China. Both winged and wingless female morphs of S. pupariae can find and
Shuai Hu +3 more
semanticscholar +1 more source
Wing Dimorphism in Field Crickets (Orthoptera: Gryllidae: Gryllus)
Annals of the Entomological Society of America, 1986Adult Gryllus are either short-winged (hind wings [HW] shorter than fore wings [FW]: HW/FW 1). Short-winged individuals are flightless, whereas long-winged individuals generally can fly. Hind wings are not shed after flight. Of five species occurring in peninsular Florida, G. ovisopis Walker is always short-winged (mean value of HW/FW ratio = 0.5), G.
Thomas J. Walker, John M. Sivinski
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Population Ecology, 1994
AbstractThe hypothesis that the morphological, physiological, and behavioral traits comprising the migratory syndrome in insects are genetically correlated through pleiotropic effects of genes controlling the titre of a common hormonal determinant is explored. Evidence that juvenile hormone (JH) influences the component traits of the migratory syndrome
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AbstractThe hypothesis that the morphological, physiological, and behavioral traits comprising the migratory syndrome in insects are genetically correlated through pleiotropic effects of genes controlling the titre of a common hormonal determinant is explored. Evidence that juvenile hormone (JH) influences the component traits of the migratory syndrome
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A mathematical model for wing dimorphism in maleCardiocondyla ants
Journal of Ethology, 1994Several species ofCardiocondyla ants have dimorphic males: wingless (ergatoid) and winged (alate) males, while otherCardiocondyla species includingC. nuda have only wingless males. We made an evolutionarily stable strategy model for explaning the male polymorphism and the ratios of wingless males in the genusCardiocondyla. Wingless males emerge earlier
Nobuyuki Tsuji +2 more
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Zootaxa, 2018
Neoheegeria astragali sp.n. is described as the first known member of this genus to exhibit wing-dimorphism. Collected on Astragalus sp. [Fabaceae] in Iran, it is also unique among Neoheegeria species in having the tube unusually short.
K. Minaei, L. Fekrat, L. Mound
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Neoheegeria astragali sp.n. is described as the first known member of this genus to exhibit wing-dimorphism. Collected on Astragalus sp. [Fabaceae] in Iran, it is also unique among Neoheegeria species in having the tube unusually short.
K. Minaei, L. Fekrat, L. Mound
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Sexual dimorphism in wings and wing bands of Sympetrum pedemontanum (Müller in Allioni 1776)
Zoomorphology, 2015Sexual dimorphism is common in animals and derives from two mechanisms: sexual selection and sexual niche divergence. These mechanisms may work together as determinants of wing shape in pigmented wings of Odonata. On the one hand, sexual selection by females tends to enlarge the wing areas of males that host pigments; on the other hand, sex-specific ...
GALLESI, MARCO MATTEO +4 more
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