Geometric morphometric study of geographic and host-related variability in Aceria spp. (Acari: Eriophyoidea) inhabiting Cirsium spp. (Asteraceae)

Vidović, Biljana; Jojić, Vida; Marić, Ivana; Marinković, Slavica; Hansen, Richard M.; Petanović, Radmila

doi:10.1007/s10493-014-9829-4

Cited by 11 publications

(11 citation statements)

References 21 publications

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“…Two studies applied geometric morphometrics, i.e. a landmark-based approach that allows a geometric representation of forms (Jagersbacher-Baumann 2014 ; Vidovic et al 2014 ), although in one of these studies (Jagersbacher-Baumann 2014 ) traditional morphometrics performed better than geometric morphometrics.…”

Section: Results From the Literature Reviewmentioning

confidence: 99%

Cryptic speciation in the Acari: a function of species lifestyles or our ability to separate species?

Skoracka

Magalhães

Rector³

et al. 2015

Exp Appl Acarol

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There are approximately 55,000 described Acari species, accounting for almost half of all known Arachnida species, but total estimated Acari diversity is reckoned to be far greater. One important source of currently hidden Acari diversity is cryptic speciation, which poses challenges to taxonomists documenting biodiversity assessment as well as to researchers in medicine and agriculture. In this review, we revisit the subject of biodiversity in the Acari and investigate what is currently known about cryptic species within this group. Based on a thorough literature search, we show that the probability of occurrence of cryptic species is mainly related to the number of attempts made to detect them. The use of, both, DNA tools and bioassays significantly increased the probability of cryptic species detection. We did not confirm the generally-accepted idea that species lifestyle (i.e. free-living vs. symbiotic) affects the number of cryptic species. To increase detection of cryptic lineages and to understand the processes leading to cryptic speciation in Acari, integrative approaches including multivariate morphometrics, molecular tools, crossing, ecological assays, intensive sampling, and experimental evolution are recommended. We conclude that there is a demonstrable need for future investigations focusing on potentially hidden mite and tick species and addressing evolutionary mechanisms behind cryptic speciation within Acari.

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Section: Results From the Literature Reviewmentioning

confidence: 99%

Cryptic speciation in the Acari: a function of species lifestyles or our ability to separate species?

Skoracka

Magalhães

Rector³

et al. 2015

Exp Appl Acarol

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“…Equally interesting results in studies of eriophyoid mites were obtained for species of the genus Aceria associated with Asteraceae of the genus Cirsium from Europe and the USA (Vidović et al 2014) and for Aceria guerreronis Keifer populations from different continents (Navia et al 2006). This is in contrast to what has been observed for other mite groups, such as Scutacariidae or Opiidae, for which geometric morphometry analyses have not proven useful in revealing interspecific differences but were useful for identification to the genus level (Baran et al 2011;Jagersbacher-Baumann 2014).…”

Section: Discussionmentioning

confidence: 94%

“…Most studies employing these modern tools have been conducted on ticks (Pretorius and Clarke 2000;Clarke and Pretorius 2005), water mites (Becerra and Valdecasas 2004), oribatida (Baran et al 2011), and scutacarid (JagersbacherBaumann 2014). For the tiny eriophyoid mites, geometric morphometric methods have been poorly explored (Navia et al 2006;Vidović et al 2014), although initial results indicate the extreme promise of these techniques (Navia et al 2006).…”

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confidence: 99%

Traditional and geometric morphometrics supporting the differentiation of two new Retracrus (Phytoptidae) species associated with heliconias

et al. 2015

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Cryptic diversity has been confirmed for several phytophagous mites in the Eriophyoidea superfamily previously considered as presenting low host specificity. Among generalist eriophyoids is the phytoptid Retracrus johnstoni Keifer, which has been reported in 19 palm species belonging to 11 genera, causing severe damage on some of them. Surprisingly this species was recently reported on another monocot family, Heliconiaceae, infesting Heliconia plants in Costa Rica and Brazil, being the only in the tribe Mackiellini to not be associated with palm trees. This study aimed to investigate the occurrence of cryptic species in R. johnstoni and to clarify the taxonomic status of populations associated with heliconias in the Americas. With this purpose traditional and geometric morphometric analyses were conducted as well as a detailed morphological study. Measurable trait data were analysed via univariate and multivariate analyses. Shapes of specimens from different populations were compared via geometric morphometric landmark methods. Morphometric analysis supported occurrence of at least two cryptic species previously identified as R. johsntoni and suggested occurrence of cryptic species among populations associated with different palm trees. Taxonomic descriptions of two new taxa associated with heliconias, namely Retracrus costaricensis n. sp. Ferreira and Navia and Retracrus heliconiae n. sp. Ferreira and Navia are presented. Morphometric traits that can be useful in the taxonomic identification are noted and their value is discussed. Results of the traditional morphometry and geometric methods were compared and the advantages of their joint use for Eriophyoidea systematics are discussed.

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“…To the best of our knowledge, the influence of seasonal factors on eriophyoid mite morphology has not been studied to date. Earlier studies investigating eriophyoid morphological changes focused on host- or spatially-related variation, which has most frequently been attributed to partial or total separation of gene pools due to host-associated differentiation or geographic speciation (Skoracka et al 2002 , 2014 ; Lewandowski et al 2014 ; Li et al 2014 ; Vidović et al 2014 ; Navia et al 2015 ; Živković et al 2017 ). The precise stimuli that ultimately result in increased winter body size in the two Abacarus spp., studied here are not known.…”

Section: Discussionmentioning

confidence: 99%

Is body size important? Seasonal changes in morphology in two grass-feeding Abacarus mites

Laska

Rector²,

Kuczyński

et al. 2017

Exp Appl Acarol

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Overwintering strategies in herbivorous mites (Acariformes: Eriophyoidea) are poorly understood. A study of two Abacarus spp. was conducted to compare body size parameters of adult females in different seasons. Mites of Abacarus n. sp. (under description) and A. lolli were sampled from Bromopsis inermis and Lolium perenne, respectively, in April, September and December of 2001 in Poznań, Poland; 21 morphological traits were measured for each specimen. A principal component analysis revealed significant differences in body size parameters between collection dates, with larger females collected in December in both species. Larger body size in winter is consistent with the hypothesis that mites of these species, for which deutogyny has not been observed, undergo physiological changes such as accumulation of nutritional reserves, that enable them to withstand adverse environmental conditions. Larger body size has also been shown in other invertebrates to reduce heat loss in cold conditions. Filling gaps in the current knowledge of eriophyoid overwintering strategies, whether in the presence or absence of deutogyny, will contribute to both basic and applied future studies of this important arthropod group.Electronic supplementary materialThe online version of this article (doi:10.1007/s10493-017-0159-1) contains supplementary material, which is available to authorized users.

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Geometric morphometric study of geographic and host-related variability in Aceria spp. (Acari: Eriophyoidea) inhabiting Cirsium spp. (Asteraceae)

Cited by 11 publications

References 21 publications

Cryptic speciation in the Acari: a function of species lifestyles or our ability to separate species?

Cryptic speciation in the Acari: a function of species lifestyles or our ability to separate species?

Traditional and geometric morphometrics supporting the differentiation of two new Retracrus (Phytoptidae) species associated with heliconias

Is body size important? Seasonal changes in morphology in two grass-feeding Abacarus mites

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