Catalogue of Orthoptera Caelifera from the Iberian Peninsula and Balearic Islands (Orthoptera: Caelifera)

Presa, Juan José; García, María del Mar Román; Clemente, María Eulalia

doi:10.1665/1082-6467(2007)16[175:coocft]2.0.co;2

Cited by 7 publications

(11 citation statements)

References 4 publications

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“…belonging to different subfamilies (Calliptaminae ×3 spp., Dericorythinae and Eyprepocnemidinae) (Additional file 1 : Table S1). Our dataset accounts for around three quarters of all extant species of acridid grasshoppers that have been recorded in the Iberian Peninsula [ 44 ]. Iberian acridids do not descend from a single common ancestor and, thus, they do not constitute a local radiation in this region, but a paraphyletic group [ 34 ].…”

Section: Methodsmentioning

confidence: 99%

Phenotypic disparity in Iberian short-horned grasshoppers (Acrididae): the role of ecology and phylogeny

2017

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BackgroundThe combination of model-based comparative techniques, disparity analyses and ecomorphological correlations constitutes a powerful method to gain insight into the evolutionary mechanisms that shape morphological variation and speciation processes. In this study, we used a time-calibrated phylogeny of 70 Iberian species of short-horned grasshoppers (Acrididae) to test for patterns of morphological disparity in relation to their ecology and phylogenetic history. Specifically, we examined the role of substrate type and level of ecological specialization in driving different aspects of morphological evolution (locomotory traits, chemosensitive organs and cranial morphology) in this recent radiation.ResultsWe found a bimodal distribution of locomotory attributes corresponding to the two main substrate type guilds (plant vs. ground); plant-perching species tend to exhibit larger wings and thicker femora than those that remain on the ground. This suggests that life form (i.e., substrate type) is an important driving force in the evolution of morphological traits in short-horned grasshoppers, irrespective of ancestry. Substrate type and ecological specialization had no significant influence on head shape, a trait that showed a strong phylogenetic conservatism. Finally, we also found a marginal significant association between the length of antennae and the level of ecological specialization, suggesting that the development of sensory organs may be favored in specialist species.ConclusionsOur results provide evidence that even in taxonomic groups showing limited morphological and ecological disparity, natural selection seems to play a more important role than genetic drift in driving the speciation process. Overall, this study suggests that morphostatic radiations should not necessarily be considered as “non-adaptive” and that the speciation process can bind both adaptive divergence mechanisms and neutral speciation processes related with allopatric and/or reproductive isolation.Electronic supplementary materialThe online version of this article (doi:10.1186/s12862-017-0954-7) contains supplementary material, which is available to authorized users.

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Section: Methodsmentioning

confidence: 99%

Phenotypic disparity in Iberian short-horned grasshoppers (Acrididae): the role of ecology and phylogeny

2017

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“…Some of them also occur in North Africa and in other parts of the western mediterranean. Endemic Acridid genus for example are Eumigus BOLIVAR, I., 1878 with 8 species Endemisms in European Orthoptera and subspecies (PRESA et al 2007) and Ocnerodes BRUNNER VON WATTENWYL, 1882 with 6 species and subspecies. Kurtharzia nugatoria (NAVAS, 1909) and Omocestus burri UVAROV, 1936 are endemic to Iberia.…”

Section: Ii6 the Iberian Peninsulamentioning

confidence: 99%

Endemism hot spots, core areas and disjunctions in European Orthoptera

Kenyeres¹,

Rácz

Varga³

2009

Acta Zoologica Cracoviensia - Series B: Invertebrata

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The paper overviews the endemism hot-spots of the European Orthoptera and reveals the paleogeographic processes which have shaped the recent faunal structures of the European Orthoptera fauna. Descriptions of seven endemism centres (the southern Balkan Peninsula and western Asia Minor; the Dinaric Mountains; the Alps; the Appenines; the Carpathian Mountains and the Carpathian Basin; the Iberian Peninsula; the Caucasian Mountains) are given. Significance of these areas is not only mirrored in the richness of endemic Orthoptera species but also in the postglacial expansion processes of the European Orthoptera fauna. The aims of the study were to summarize the literature data and hypotheses of the topic, and to discuss formation and evolution of endemism centres and endemic species of European Orthoptera.

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“…Specimens were identified using current identification keys for Palearctic gomphocerine species (Harz 1975, Pascual 1978, Pardo et al 1991, Lluciá-Pomares 2002), and preserved in 96% ethanol. Our sample ( n = 85) accounted for three quarters of all extant Acrididae species present in the Iberian Peninsula (83% and 66% of all Gomphocerinae and Oedipodinae species, respectively; Presa et al 2007). Thus, our sample is representative of the natural variation in this region (580 000 km 2 ), including eight of the nine families into which Iberian short-horned grasshoppers have been grouped (Presa et al 2007).…”

Section: Methodsmentioning

confidence: 99%

“…Our sample ( n = 85) accounted for three quarters of all extant Acrididae species present in the Iberian Peninsula (83% and 66% of all Gomphocerinae and Oedipodinae species, respectively; Presa et al 2007). Thus, our sample is representative of the natural variation in this region (580 000 km 2 ), including eight of the nine families into which Iberian short-horned grasshoppers have been grouped (Presa et al 2007). More than half of the species (56%) included in this study are endemic to the Iberian Peninsula or have a distribution restricted to Iberia, France and North Africa.…”

Section: Methodsmentioning

confidence: 99%

“…In this study, we employ phylogenetic comparative methods to examine the evolution of body size in short-horned grasshoppers (Orthoptera: Caelifera: Acrididae) and test how this trait co-varies with SSD through evolutionary time. To this end, we constructed a phylogeny comprising a representative sample ( n = 85 taxa) of all extant species present in the Iberian Peninsula (Presa et al 2007), including slant-faced grasshoppers (subfamily Gomphocerinae, 48 spp. ), band-winged grasshoppers (Oedipodinae, 19 spp.…”

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confidence: 99%

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Ecological drivers of body size evolution and sexual size dimorphism in short-horned grasshoppers (Orthoptera: Acrididae)

García‐Navas

Noguerales

Ortego

2017

Preprint

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Sexual size dimorphism (SSD) is widespread and variable in nature. Although female-biased SSD predominates among insects, the proximate ecological and evolutionary factors promoting this phenomenon remain largely unstudied. Here, we employ modern phylogenetic comparative methods on 8 subfamilies of Iberian grasshoppers (85 species) to examine the validity of different models of evolution of body size and SSD and explore how they are shaped by a suite of ecological variables (habitat specialization, substrate use, altitude) and/or constrained by different evolutionary pressures (female fecundity, strength of sexual selection, length of the breeding season). Body size disparity primarily accumulated late in the history of the group and did not follow a Brownian motion pattern, indicating the existence of directional evolution for this trait. We found support for the converse of Rensch’s rule across all taxa but not within the two most speciose subfamilies (Gomphocerinae and Oedipodinae), which showed an isometric pattern. Our results do not provide support for the fecundity or sexual selection hypotheses and we did not find evidence for significant effects of habitat use. Contrary to that expected, we found that species with narrower reproductive window are less dimorphic in size than those that exhibit a longer breeding cycle, suggesting that male protandry cannot solely account for the evolution of female-biased SSD in Orthoptera. Our study highlights the need to consider alternatives to the classical evolutionary hypotheses when trying to explain why in certain insect groups males remain small.

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Catalogue of Orthoptera Caelifera from the Iberian Peninsula and Balearic Islands (Orthoptera: Caelifera)

Cited by 7 publications

References 4 publications

Phenotypic disparity in Iberian short-horned grasshoppers (Acrididae): the role of ecology and phylogeny

Phenotypic disparity in Iberian short-horned grasshoppers (Acrididae): the role of ecology and phylogeny

Endemism hot spots, core areas and disjunctions in European Orthoptera

Ecological drivers of body size evolution and sexual size dimorphism in short-horned grasshoppers (Orthoptera: Acrididae)

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