Biologia floral, fenologia reprodutiva e polinização de Xylopia aromatica (Lam.) Mart. (Annonaceae) em uma área de Cerrado no oeste da Bahia

Aragão, Daniele dos Santos; Costa, Cristiana Barros Nascimento; Nascimento, Viviany Teixeira do

doi:10.33447/paubrasilia.v2i1.17

Cited by 4 publications

(3 citation statements)

References 26 publications

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“…These pollination vectors, however, are not fixed in space and time. Climatic and geographic variables might affect the taxonomic composition of Annonaceae pollinators together with their reproductive success [34,35,64].…”

Section: Discussionmentioning

confidence: 99%

“…The pollination biology of X. aromatica has been described for Cerrado areas in the states of Bahia [34], São Paulo, Amazonas, and Minas Gerais [35]. For these different areas, insect taxa described as pollinators vary greatly: while Aragão et al [34] observed weevils as main visitors and pollinators of X. aromatica, Gottsberger and Silberbauer-Gottsberger [35] mentioned insects of the order Thysanoptera as principal pollinators and beetles as secondary pollinators. According to the latter research, depending on the geographical localization in which X. aromatica was studied, beetle taxa found inside flowers differed even at the family level.…”

Section: Introductionmentioning

confidence: 99%

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Diversity of Insect Flower Visitors of Xylopia aromatica (Magnoliales, Annonaceae) in a Brazilian Savanna

2021

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Small beetles are important pollinators of Annonaceae whose flower chambers are small and have diurnal and/or nocturnal anthesis. The pollinators of these flowers belong to the families Nitidulidae, Staphylinidae, Chrysomelidae, and Curculionidae. In this study, the first conducted in the Cerrado of Chapada dos Guimarães, Mato Grosso, Brazil, the behavior of the insect flower visitors of Xylopia aromatica was observed, in both the field and the laboratory. The chambers of 253 flowers were collected from 11 plants, and the biological aspects of their visitors were analyzed quantitatively and qualitatively. The most abundant visitors were thrips and beetles. Coleoptera was represented by four morphospecies occurring frequently in the floral chambers (>70% of individuals). Among beetles, one species belonged to Nitidulidae (Cillaeinae, Conotelus sp. 1) and two belonged to Staphylinidae (Aleocharinae sp. 1 and Aleocharinae sp. 2). These three morphospecies of small elongate beetles have setae where pollen may adhere. In addition, they were present on both male and female phases of the flowers, indicating potential cross-pollination. In the study area, X. aromatica possesses mixed pollination promoted by Thysanoptera and small Nitidulidae and Staphylinidae beetles. This study brings the first record of Lamprosomatinae (Chrysomelidae) and, especially, of Conotelus (Nitidulidae) in the flower chambers of X. aromatica, with new information on behavior of floral visitors coupled with their morphological traits that may promote cross-pollination in this plant species.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Diversity of Insect Flower Visitors of Xylopia aromatica (Magnoliales, Annonaceae) in a Brazilian Savanna

2021

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“…Regardless, in both pollination modes, both large and small nectarless flowers of the Annonaceae offer a relatively isolated place where pollinators may find shelter against desiccation and predators and a place to mate with conspecifics and to find food. This place is called, almost invariably, a floral chamber [14][15][16]66,70,72,100,101,107].…”

Section: Shelter For the Big And For The Small: Floral Chambers In The Cerradomentioning

confidence: 99%

Coleopteran Pollinators of Annonaceae in the Brazilian Cerrado—A Review

2021

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The evolutionary trajectories of insects and angiosperms appear to be intimately interconnected. Increases in the diversity of phytophagous beetles and angiosperms co-occur in the Mesozoic fossil record, and there is fossil evidence of pollinivory and pollination by insects, both in flowering plants and in gymnosperms. The oldest records of angiosperm pollination indicate flies as pollen vectors. A basal group of angiosperms, the order Magnoliales, has retained plesiomorphic characters such as dozens of pistils and stamens spiraling around the receptacle. In a family of this order, Annonaceae, over 90% of species are pollinated by beetles. In many Annonaceae species, flowers display wide spaces, referred to as floral chambers, where beetles can find shelter from weather conditions and predators, food in the form of pollen and tissues, and a mating site. Two basic types of floral chambers can be distinguished: small chambers visited by small beetles (Nitidulidae, Staphylinidae, Chrysomelidae, and Curculionidae) with diurnal and/or nocturnal activity and large and thermogenic floral chambers visited by beetles of the tribe Cyclocephalini (Scarabaeoidea, Melolonthidae). In the latter case, the heat that the flowers produce may serve as a resource for the beetles that visit them, resulting in smaller endothermy costs for the scarabs. This study reviewed the literature including PhD and MSc theses on cantharophilous Annonaceae in the Cerrado. In this biome, both types of associations are found, although cantharophilous Annonaceae represent a small portion of the plant species (<5%). Cantharophilous Annonaceae in the Cerrado share attributes according to the beetles that pollinate them: species pollinated by small beetles, for instance, may flower throughout the year, whereas Annonaceae pollinated by Cyclocephalini normally flower in the beginning of the rainy season (October/November), in synchrony with the phenological patterns of their pollinators. Cantharophilous Annonaceae flowers, regardless of their size, tend to have light colors and sweet and fruity odors. In addition to the lack of studies on the attraction of beetles by these floral characters, the taxonomic composition of the beetles that pollinate Annonaceae in the Cerrado is poorly known. This review attempts to discuss, in light of what has already been published, potential fields of investigation concerning pollinating beetles’ behavior and evolution.

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Life history patterns of coleopteran pollinators of Annona crassiflora Mart. in the Brazilian Cerrado

Saravy

Marques

Schuchmann

2022

Journal of Natural History

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Biologia floral, fenologia reprodutiva e polinização de Xylopia aromatica (Lam.) Mart. (Annonaceae) em uma área de Cerrado no oeste da Bahia

Cited by 4 publications

References 26 publications

Diversity of Insect Flower Visitors of Xylopia aromatica (Magnoliales, Annonaceae) in a Brazilian Savanna

Diversity of Insect Flower Visitors of Xylopia aromatica (Magnoliales, Annonaceae) in a Brazilian Savanna

Coleopteran Pollinators of Annonaceae in the Brazilian Cerrado—A Review

Life history patterns of coleopteran pollinators of Annona crassiflora Mart. in the Brazilian Cerrado

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