Sexual Shape and Size Dimorphism in Carabid Beetles of the Genus<i>Ceroglossus</i>: is Geometric Body Size Similar Between Sexes Due to Sex Ratio?

Benítez, Hugo A.; Sanzana, María-José; Jerez, Viviane; Parra, Luís E.; Hernández, Cristián E.; Canales‐Aguirre, Cristian B.

doi:10.2108/zsj.30.289

Cited by 21 publications

(15 citation statements)

References 43 publications

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“…Previous studies have shown that temperatures, adverse nutritional stress, and many other factors that generate stress during development can lead to increased morphological differences (Clarke 1998;Benítez et al 2008Benítez et al , 2013Lemic et al 2016). The results of the present study confirm that this extremely invasive species is successful worldwide because of its potential to adapt in different rearing conditions.…”

Section: Discussionsupporting

confidence: 86%

“…Most studies use laboratory experiments to identify developmental changes in the morphology of an organism (Hoffmann et al 2005;Carreira et al 2008;Soto et al 2008Soto et al , 2010. However, GM has also been used to measure insect wing shape changes in response to environmental variables (Johansson et al 2009;Benitez et al 2014b;Lemic et al 2016) or sexual dimorphism (Adams & Funk 1997;Valenzuela et al 2004;Gidaszewski et al 2009;Benítez et al 2011Benítez et al , 2013Siomava et al 2017).…”

Section: Discussionmentioning

confidence: 99%

“…The results of the present study confirm that this extremely invasive species is successful worldwide because of its potential to adapt in different rearing conditions. Previous studies have shown that temperatures, adverse nutritional stress, and many other factors that generate stress during development can lead to increased morphological differences (Clarke 1998;Benítez et al 2008Benítez et al , 2013Lemic et al 2016). It is expected that when rearing conditions change (e.g.…”

Section: Discussionmentioning

confidence: 99%

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Effect of fruit host on wing morphology in Drosophila suzukii (Diptera: Drosophilidae): A first view using geometric morphometrics

Živković

Lemić

Mešić

et al. 2018

Entomological Research

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The invasive alien fruit pest Drosophila suzukii, (Matsumura 1931) causes economic loss in soft‐skinned fruit production across Europe. After its first detection in 2008, the species has successfully expanded to a wide geographic area and invaded new host plants in a relatively short period of time. The aim of the present study was to analyze the connection between food preferences as host specialization and the morphology of D. suzukii. Population morphological variation in wings was investigated in two different host fruits (grape and strawberry) in which economic damage has been recorded. The geometric morphometric results revealed two noticeable wing shape morphotypes in D. suzukii (i.e. vein configuration) between the grape and strawberry fruits. Flies reared in grapes had wider wings, whereas flies grown in strawberries had more narrow wings. These differences in morphotype could be explained by the effects of wing aerodynamics, which affect the strength of the wings in flight. This, in turn, can lead to better dispersion within the associated fruit host. These results confirm that this extremely invasive species, found worldwide, is successful at spreading in part because of its potential to adapt rapidly under different rearing conditions. Therefore, adaptive variations in the wing shape of D. suzukii can be used to differentiate populations based on food preference (e.g. soft fruits) and can serve as an additional tool for detecting different bioecological types of D. suzukii.

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Section: Discussionsupporting

confidence: 86%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Effect of fruit host on wing morphology in Drosophila suzukii (Diptera: Drosophilidae): A first view using geometric morphometrics

Živković

Lemić

Mešić

et al. 2018

Entomological Research

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“…Moreover, it is well documented that adverse temperatures, nutritional stresses, presence of chemicals, population density and many other factors that affect development can lead to an increase in morphological asymmetry as a result of high intraspecific variation (e.g. [42], [44], [45]). Therefore, it is expected that when environmental conditions change, organisms and populations should adapt to the new conditions [45].…”

Section: Introductionmentioning

confidence: 99%

Ecomorphological Variation of the Wireworm Cephalic Capsule: Studying the Interaction of Environment and Geometric Shape

et al. 2014

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Studying the association between organismal morphology and environmental conditions has been very useful to test hypothesis regarding the influence of climate on shape. It has been long recognized that different environments produce dissimilar stress levels in insects, which can be reflected on the ability of an individual to overcome these pressures and spread further. Agriotes (Coleoptera: Elateridae) species infest agricultural fields in different parts of Croatia, inhabiting different climatic conditions. Previous biological studies have indicated that there is a relationship between some Agriotes biological parameters such as density and climatic conditions such as soil moisture and temperature. However, it is still unknown how these environmental properties influence the wireworm morphological structure. This is highly relevant because the head of this species is directly involved in the mobility in the soil, thus affecting the invasive capacity of this insect. Therefore the aim of this study was to assess the association between different climatic conditions and the morphological variation of Agriotes cephalic capsule. Advanced multivariate analysis and geometric morphometric tool were applied to study the covariation between shape and environmental variables. Partial Least Squares methods were used in order to analyse the association between the wireworm head shape and three different climatic conditions: soil type, temperature and rainfall. Our results showed that there is a high covariation between the wireworm head shape and the climatic conditions. It was suggested that the observed shape–environment association could be result of the high plasticity of this species in relation to its invasive capacity.

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“…A number of studies have found that sexual dimorphism associated with size and shape in insects is adaptive (Nylin and Gotthard 1998; Farbain et al 2007; Gidaszewski et al 2009; Benitez et al 2013). Some of the hypotheses proposed to explain this kind of dimorphism in arthropods do not take into account whether the differences could be due exclusively to sexual dimorphism or to allometric processes (Walker and Rypstra 2001; Esperk et al 2007; Gidaszewski et al 2009).…”

Section: Discussionmentioning

confidence: 99%

Allometric and Non-Allometric Patterns in Sexual Dimorphism Discrimination of Wing Shape inOphion intricatus: Might Two Male Morphotypes Coexist?

Benítez

Bravi

Parra

et al. 2013

Journal of Insect Science

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Bees and wasps could exhibit shape and size sexual dimorphism, and most of their morphological variation could depend on phenotypic responses due to environmental pressure during ontogenetic development. More complex measurement techniques related to size and shape rather than simply to mass and length should be required to analyze such a complex sexual dimorphism. In this study, differences related to wing shape and size of males and females of Ophion intricatus Brullé (Hymenoptera: Ichneumonidae) were evaluated using geometric morphometrics. Right and left wings of specimens were used, and a photographic matrix was constructed in which 18 morphological landmarks based on shape and vein patterns of the wings were digitalized. A multivariate analysis of wing shape showed significant differences between sexes and sites. The geometric variation demonstrated that the points at the intersection of radial and cubital-anal veins might be key characters to differentiate between sexes. This study also showed the presence of two clearly different male morphotypes coexisting in the same study site. However, it should be noted that the results of this study showed that the variation in wing shape is an analytical character in the determination of sexual differences in the family Ichneumonidae. These differences raise the question of whether sexual dimorphism of wing shape may be modulated by natural selection.

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Sexual Shape and Size Dimorphism in Carabid Beetles of the GenusCeroglossus: is Geometric Body Size Similar Between Sexes Due to Sex Ratio?

Cited by 21 publications

References 43 publications

Effect of fruit host on wing morphology in Drosophila suzukii (Diptera: Drosophilidae): A first view using geometric morphometrics

Effect of fruit host on wing morphology in Drosophila suzukii (Diptera: Drosophilidae): A first view using geometric morphometrics

Ecomorphological Variation of the Wireworm Cephalic Capsule: Studying the Interaction of Environment and Geometric Shape

Allometric and Non-Allometric Patterns in Sexual Dimorphism Discrimination of Wing Shape inOphion intricatus: Might Two Male Morphotypes Coexist?

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