Richness of insect galls on shrub-tree restinga of a coastal plain of southern Brazil

Arriola, Ígor Abba; Júnior, João Carlos Ferreira de Melo

doi:10.21726/abc.v3i2.288

Cited by 4 publications

(9 citation statements)

References 14 publications

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“…It is notable, however, that just one association was recorded between a gall-inducing insect and a species of Poaceae. Similar disproportionate low numbers of gall morphotypes in Poaceae, in spite of a high availability of species in the flora, were observed in Brazil (Maia, 2001;Arriola & Ferreira, 2016). Among Asteraceae, the genus Baccharis had the highest number of species (7) associated with galling insects and displayed the highest number of gall morphotypes (16).…”

Section: Discussionsupporting

confidence: 54%

Insect galls from Córdoba, central Argentina: a case where stem galls predominate

Kuzmanich

Giorgis

Salvo

2018

RBT

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Galls are structures produced by plants in response to the activity of several types of organisms. Gall-inducing species have a close relationship with their host plant, as their habitat is largely restricted to the gall and the plant organ in which it develops. All plant organs are susceptible to gall induction by insects, the leaves being the most vulnerable. Knowledge about interactions between gall-inducing insects and plants is fragmented and incomplete in Argentina. In this study, we completed an inventory of galls induced by insects on plants in Córdoba (central Argentina) using information from field surveys and a review of the literature. We also focused on the frequency of plant-insect taxonomic associations and plant organs most commonly attacked by gall-inducing insects. Field surveys were performed systematically in 26 sites of Chaco Serrano, which were visited five times in two consecutive years, and in17 sites of the province, which were sampled one or two times each. A comprehensive literature search of electronic and conventional databases was also conducted to complete the inventory. A total of 99 gall morphospecies on 58 plant species (21 families and 44 genera) were recorded through both field surveys and a literature review, enlarging the list of species available for the region by almost 50 %. Asteraceae and Fabaceae were the plant families most attacked by galling insects, in partial concordance with the most species-rich plant families in the region. Diptera, particularly the family Cecidomyiidae, was the most species-rich group in the community of galling insects, which is in agreement with different studies across the globe. Baccharis was the genus displaying the highest number of gall morphotypes, followed by Acacia, Condalia, Geoffroea, Prosopis and Schinus. Almost 60 % of the morphotypes were stem galls, a pattern uncommon in the literature. Fusiform and globoid-shaped galls were predominant. Our study highlights the scarce knowledge there is about the interactions between plants and gall-inducing insects in Argentina, particularly those involving species of Cecidomyiidae, with more than 30 undescribed species. Possible mechanisms involved in the predominance of stem galls in central Argentina are discussed.

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Section: Discussionsupporting

confidence: 54%

Insect galls from Córdoba, central Argentina: a case where stem galls predominate

Kuzmanich

Giorgis

Salvo

2018

RBT

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“…In Brazilian ecosystems, some abundant plant families, such as Myrtaceae, Fabaceae, and Asteraceae, are the main host plants of gall inducers (Santos et al 2011(Santos et al , 2012Julião & Rosy M. S. Isaias rosy@icb.ufmg.br et al 2014;Arriola et al 2015;Arriola and Melo-Júnior 2016;Maia and Silva 2016;Nogueira et al 2016). Independently of the taxa of the host plant or of the gall inducer, host plant-gall systems are species-specific, and additionally, each galling species is responsible for inducing a peculiar gall morphotype, even on the same host plant (Isaias et al 2013(Isaias et al , 2014.…”

Section: Introductionmentioning

confidence: 99%

“…Independently of the taxa of the host plant or of the gall inducer, host plant-gall systems are species-specific, and additionally, each galling species is responsible for inducing a peculiar gall morphotype, even on the same host plant (Isaias et al 2013(Isaias et al , 2014. The occurrence of galls and their variety of shapes have been inventoried in some Brazilian biomes (Santos et al 2011(Santos et al , 2012Julião et al 2014;Arriola et al 2015;Arriola and Melo-Júnior 2016;Nogueira et al 2016), but the influence of peculiar environmental conditions over gall development has been poorly discussed. The galls may be formed by hyperplasia, cell hypertrophy, cell redifferentiation, and/or metaplasia (Mani 1964;Isaias and Oliveira 2012;Ferreira et al 2017a).…”

Section: Introductionmentioning

confidence: 99%

“…(Smilacaceae) (Arriola et al 2015). This species hosts four distinct gall morphotypes, two globoid stem galls, and two leaf galls: the lenticular green/black galls, also occurring in the shrub-tree restinga (Arriola and Melo-Júnior 2016); and the globoid green galls, which is the focus of current study. S. campestris is a phytosociological important liana in the community of the dunes in PEA (Melo-Júnior and Boeger 2015), adapted to salt, excessive light, and water deficiency stresses.…”

Section: Introductionmentioning

confidence: 99%

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Galls on Smilax campestris Griseb. (Smilacaceae) protect the insects against restinga constraints, but do not provide enriched nutrition

et al. 2017

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Smilax campestris Griseb. (Smilacaceae) is a superhost of galling insects, adapted to xeric environments such as those of the restingas of the Parque Estadual do Acaraí, Santa Catarina, Brazil. Currently, we evaluate the structural and histochemical changes induced by a Cecidomyiidae on S. campestris leaves, originating globoid midrib galls. We hypothesized that the macroenvironmental constraints of the restingas should reflect in gall developmental sites, resulting in enhanced xeromorphic anatomical features. The mesophyll of S. campestris nongalled leaves is dorsiventral, hypostomatic, with an adaxial homogeneous parenchyma, some cells with invagination in the walls, and an abaxial ordinary spongy parenchyma. In galls, the cells of leaf mesophyll redifferentiate into a homogenous parenchyma, with polygonal cells and straight cell walls. Few intercellular spaces are observed. Galls have uniseriate epidermis, without stomata, an outer parenchymatic cortex, a mechanical layer, and a nutritive tissue, limiting a diminutive central larval chamber. The histochemical profile reveals an increment in lignified cell walls, and accumulation of polyphenols, tannins, and alkaloids from non-galled leaves toward the galls. The absence of any special type of reserve in nutritive cells, and the occurrence of secondary metabolites in outer cortical layers, indicate reduction or absence of photosynthesis in gall tissues. Gall structure is redirected to a protective shelter against UV and oxidative damages imposed by the excessive light and water deficiency of the restingas, but do not provide enriched nutrition to the gall inducer. Current results contrast with common observations in insect-induced galls and reveal an alternative adaptive morphogenetic pathway for xeric environments induced on Smilax campestris by the gall inducer.

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“…Para a região Sul, inventários de galhas induzidas por insetos ainda são escassos, destacando-se os estudos realizados por Carvalho et al (2015) e Santos & Ribeiro (2015) no estado do Paraná, Dalbem & Mendonça (2006), Mendonça et al (2010), Mendonça (2011), Toma & Mendonça (2013) no estado do Rio Grande do Sul, e Arriola & Melo Júnior (2016) no estado de Santa Catarina.…”

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Galhas entomógenas em três fragmentos de Mata Atlântica no extremo Sul Catarinense, Brasil

Flor

2020

Entomol Commun

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Fifteen insect gall morphotypes were found on 11 plant species (8 families) in three fragments of the Dense Ombrophylous Lowland Forest, in the municipalities of Maracajá, Içara and Araranguá, Santa Catarina. Most of the galls occurred in leaves, followed by stems galls and a single gall morphotype in Leandra sp. (Melatomastaceae), occurred in both leaves and stems. Glabrous and isolated galls were more frequent than hairy and gregarious galls. Lauraceae was the family of plant with greater wealth of galls. It was pointed out the first record of the plant Microstachys serrulata (Euphorbiaceae) for the state of Santa Catarina. Galls found in Ilex theezans (Aquifoliaceae), Microstachys serrulata (Euphorbiaceae), Dahlstedtia muehlbergiana (Fabaceae), Nectandra oppositifolia (Lauraceae), Leandra sp. (Melastomataceae), Miconia sellowiana (Melastomataceae), Myrcia multiflora (Myrtaceae) and Urera nitida (Urticaceae) were recorded for the first time in the State of Santa Catarina.

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Richness of insect galls on shrub-tree restinga of a coastal plain of southern Brazil

Cited by 4 publications

References 14 publications

Insect galls from Córdoba, central Argentina: a case where stem galls predominate

Insect galls from Córdoba, central Argentina: a case where stem galls predominate

Galls on Smilax campestris Griseb. (Smilacaceae) protect the insects against restinga constraints, but do not provide enriched nutrition

Galhas entomógenas em três fragmentos de Mata Atlântica no extremo Sul Catarinense, Brasil

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