Morphological Variations of Gall-Forming Insects on Different Species of Oaks (Quercus) in Mexico

Oyama, Ken; Scareli-Santos, Claudia; Mondragón-Sánchez, M. L.; Tovar-Sánchez, Efraı́n; Cuevas‐Reyes, Pablo

doi:10.1007/3-540-28909-7_20

Cited by 6 publications

(5 citation statements)

References 29 publications

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“…Similar results were obtained in Neotropical savannas where the presence of superhost Qualea parviflora (Vochysiaceae) substantially increased the richness of galling insects [12]. In the literature are documented several genera and species of superhost plants, such as Baccharis [17], Copaifera [16,18], Eucalyptus [19], and Quercus [20], although the effect of the presence of these taxa on the local diversity of galling insects has not been investigated for most cases. As the presence of superhost species tends to influence the richness of galling insects, it is also expected that these hosts potentially influence the diversity of interactions and the structure of ecological networks formed by plants and galling insects.…”

Section: Introductionsupporting

confidence: 53%

Superhost Plants Alter the Structure of Plant–Galling Insect Networks in Neotropical Savannas

Araújo

Moreira

Falcão

et al. 2019

Plants

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Host plants may harbor a variable number of galling insect species, with some species being able to harbor a high diversity of these insects, being therefore called superhost plants. In the present study, we tested the hypothesis that the occurrence of superhost plant species of genus Qualea (Vochysiaceae) affects the structure of plant–galling insect ecological networks in Brazilian Cerrado. We sampled a total of 1882 plants grouped in 131 species and 43 families, of which 64 species and 31 families of host plants hosted 112 galling insect species. Our results showed that occurrence of superhosts of genus Qualea increased the linkage density of plant species, number of observed interactions, and the size of plant–galling insect networks and negatively affected the network connectance (but had no effect on the residual connectance). Although the occurrence of Qualea species did not affect the plant species richness, these superhosts increased the species richness and the number of interactions of galling insects. Our study represents a step forward in relation to previous studies that investigated the effects of plant diversity on the plant–insect networks, showing that few superhost plant species alter the structure of plant–herbivore networks, even without having a significant effect on plant diversity.

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Section: Introductionsupporting

confidence: 53%

Superhost Plants Alter the Structure of Plant–Galling Insect Networks in Neotropical Savannas

Araújo

Moreira

Falcão

et al. 2019

Plants

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“…This repetition of patterns suggests that certain genera might be important hosts regardless of their species richness. Some plant genera and species have a high diversity of galls (Blanche & Westoby 1995, Veldtman & McGeoch 2003, for example, Baccharis (Fernandes et al 1996), Eucalyptus (Blanche & Westoby 1995), Quercus (Oyama et al 2006) and Solidago (Weis & Abrahamson 1986). I believe factors like the development synchrony and the sympatric occurrence of species may be responsible for the appearance of these taxa, although the reasons why a genus or species is a super-host is still not clear.…”

Section: Discussionmentioning

confidence: 99%

Size, age and composition: characteristics of plant taxa as diversity predictors of gall-midges (Diptera: Cecidomyiidae)

Araújo¹

2010

RBT

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Many hypotheses have been proposed to explain the diversity of gall-midge insects (Diptera: Cecidomyiidae), some of them taking into account plant diversity. This study aims to test the importance of size, age and composition of host plant taxa in the diversity of Cecidomyiidae. For this we used inventories data on the diversity of galling and host plants in Brazil. We found that Asterales, Myrtales and Malpighiales, were the most important orders, with 34, 33 and 25, gall morphotypes, respectively. The most representative host families were Asteraceae (34 morphotypes), Myrtaceae (23) and Fabaceae (22). In general, the order size and the plant family were good predictors of the galling diversity, but not the taxon age. The most diverse host genera for gall-midges were Mikania, Eugenia and Styrax, with 15, 13 and nine galler species, respectively. The size of plant genera showed no significant relationship with the richness of Cecidomyiidae, contrary to the prediction of the plant taxon size hypothesis. The plant genera with the greatest diversity of galling insects are not necessarily those with the greatest number of species. These results indicate that some plant taxa have a high intrinsic richness of galling insects, suggesting that the plant species composition may be equally or more important for the diversity of gall-midges than the size or age of the host taxon. Rev. Biol. Trop. 59 (4): 1599-1607. Epub 2011 December 01.

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“…A particular type of montane oak forests are cloud forests, which are characterized by the persistent presence of clouds and mists. These forests have a remarkable vascular plant diversity, accompanied by an extraordinary richness of non‐plant species (Espejo‐Serna, 2014), such as gall‐forming insects (Oyama et al, 2006), bats (Sánchez‐Cordero, 2001), amphibians (Gual‐Díaz & Goyenechea Mayer‐Goyenechea, 2014; Wake, 1987) and reptiles (Goyenechea Mayer‐Goyenechea & Gual‐Díaz, 2014; Wilson et al, 2010), among many other taxa. The geographical distribution of these cloud forests has been conditioned by the geological and climatic history of the American continent and the evolution of its flora (Kappelle et al, 1992).…”

Section: Introductionmentioning

confidence: 99%

Phylogenomics of arboreal alligator lizards shed light on the geographical diversification of cloud forest‐adapted biotas

Gutiérrez‐Rodríguez

Ortego

et al. 2022

Journal of Biogeography

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Aim The proximate ecological and evolutionary processes underlying the high biodiversity of neotropical montane cloud forests are still very poorly understood. Climatic oscillations may have contributed to vicariance and cladogenesis, but also promoted secondary contact and erosion of genetic divergence. Here we tested whether geographical diversification – or its lack thereof – in a complex of arboreal alligator lizards is explained by range shifts during Quaternary climatic oscillations. Location Pine–oak and cloud forests, central Mexico. Taxon Abronia taeniata–graminea species complex (Squamata: Anguidae: Gerrhonotinae). Methods We generated genomic data (ddRADseq) to infer patterns of geographical diversification in the complex, reconstruct its demographic history, estimate the timing of lineage split, and test for the presence of contemporary and/or historical hybridization. We evaluated whether the tempo and mode of diversification (i.e. strict isolation vs. secondary contact with introgression) are explained by the contemporary distribution of suitable habitats and/or range shifts experienced by the complex since the Last Glacial Maximum (LGM), as inferred from environmental niche modelling (ENM). Results Genomic data supported a marked genetic structure within the complex, and phylogenomic and dating analyses revealed cryptic lineage diversification starting at the onset of the Pleistocene followed by secondary contact with limited introgression. ENM pointed to considerable range expansions of the complex during the LGM and a marked fragmentation and scarce connectivity among contemporary populations, which was supported by genomic‐based demographic reconstructions. Main Conclusions The geographical diversification of the complex has been moulded by vicariant events promoted by Pleistocene geologic and climatic changes impacting the distribution of their pine–oak and cloud forest habitats. Our data supported a model of divergence with introgression, indicating that pulses of population fragmentation and expansion during the Quaternary have led to multiple opportunities for both allopatric isolation and secondary contact.

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Morphological Variations of Gall-Forming Insects on Different Species of Oaks (Quercus) in Mexico

Cited by 6 publications

References 29 publications

Superhost Plants Alter the Structure of Plant–Galling Insect Networks in Neotropical Savannas

Superhost Plants Alter the Structure of Plant–Galling Insect Networks in Neotropical Savannas

Size, age and composition: characteristics of plant taxa as diversity predictors of gall-midges (Diptera: Cecidomyiidae)

Phylogenomics of arboreal alligator lizards shed light on the geographical diversification of cloud forest‐adapted biotas

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