Honeybee (Apis Mellifera) Mediated Increased Reproductive Success of a Rare Deceptive Orchid

doi:10.15666/aeer/1301_181192

Cited by 7 publications

(4 citation statements)

References 39 publications

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“…The fruit trees of the Csatár Hill were not blossoming at the time of early P. grandis flowering, so the studied flowers were the only pollen sources for Apis mellifera. The significant role of honey bees in successful fructification was observed in the case of later flowering orchid species as well (Biró et al, 2015).…”

Section: Discussionmentioning

confidence: 96%

Pollinators of Pulsatilla Grandis Wender. In Southern Bakony (Hungary)

Mészáros¹,

Józan²

2018

Appl. Ecol. Env. Res.

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Sexual reproduction plays an important role in the maintenance of the genetic variability of plant species. In the case of entomophilous species (like Pulsatilla grandis) pollinators are needed to this way of propagation. It is important to have complete knowledge on the pollinators to understand the biology of plant species. Our aim was to collect information about the pollinators of P. grandis, as there is no available data on the pollinators of this endangered species. We studied the flower-visiting species in 2017 and 2018 on the Csatár Hill near Veszprém (Hungary) in a population of about 2000 individuals of P. grandis. The number of collected Apis mellifera individuals (239) was the highest followed by Bombus (31 individuals) and Andrena (15 individuals) species. Lasioglossum, Polistes and Priocnemis species were collected as well. We collected 5 male insects which visit the flowers only for nectar but they can help the self-pollination as they are searching for nectar in the flower. We recorded the most intense flower visitation between 10-11 a.m. Our new results can help to develop the conservation strategy of P. grandis.

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Section: Discussionmentioning

confidence: 96%

Pollinators of Pulsatilla Grandis Wender. In Southern Bakony (Hungary)

Mészáros¹,

Józan²

2018

Appl. Ecol. Env. Res.

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“…m e l l i f e r a p o l l i n a t o r s i n t h e Kapitańszczyzna and Skupowo areas might be a consequence of the many apiaries in close proximity to D. majalis populations. Biró et al (2015) showed that A. mellifera is a significant pollinator promoting higher reproductive success in the deceptive Himantoglossum adriaticum (Orchidaceae) population near the honey bee apiary. We did not consider A. mellifera as a Bnative^pollinator in an evolutionary sense, but rather a widely introduced, super-generalist species that occupies a central role in many pollination networks (Medan et al 2006;Russo 2016).…”

Section: Discussionmentioning

confidence: 99%

Pollinators and visitors of the generalized food-deceptive orchid Dactylorhiza majalis in North-Eastern Poland

et al. 2019

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Pollinator foraging behavior plays a key role in breeding and therefore affects the evolution of the orchid reproductive strategy. Food-deceptive orchids usually implement a generalized plant pollination strategy and a relatively diverse group of pollinators visit them. Dactylorhiza majalis is a food-deceptive, early-flowering orchid that relies on insect-mediated pollination. This study's objectives were to identify D. majalis' pollinators and flower visitors and their foraging behaviors on D. majalis inflorescences. We also assessed the bending movement time to determine the relationship between bending time and the duration of pollinators' visits. To assess pollination efficiency, we measured the spur length of D. majalis flowers, which is expected to affect the mechanical fit to pollinators/Bpotential^pollinators. The arthropod fauna were investigated to examine the availability of Bpotential^pollinators in populations. We identified Apis mellifera as this orchid's main pollinator and confirmed that few of the flower visitors belonged to Diptera (12 individuals, 9 taxa), Hymenoptera (3 individuals, 3 taxa), or Coleoptera (2 individuals, 2 taxa) in our dataset, which was collected over a 2-year period and includes 360 h of video. The arthropods were collected by a sweep net in D. majalis populations and there were fewer Hymenoptera (2.9-23.2%) and Coleoptera (4.4-23.8%) visitors but more Diptera (23.3-58.6%) visitors. We found that A. mellifera foraged in different ways on D. majalis inflorescences, thereby resulting in cross-pollination and/or geitonogamy; however, the bending time data supported the hypothesis about promoting cross-pollination while decreasing self-pollination, but these data do not exclude the possibility of geitonogamy.

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“…Eight species of the solitary bee Andrena have been reported as visiting H. hircinum , together with representatives of five further bee genera plus the beetle genus Oedermera (e.g., Teschner, 1980; Vöth, 1990; Kropf & Renner, 2008). A similar but slightly narrower range of bees are known to visit H. adriaticum (Claessens & Kleynen, 2011; Biró et al, 2015), including the social honey bee Apis mellifera —a species that has also been witnessed visiting H. caprinum and H. jankae . Unsurprisingly, compared with visitors to subgenus Himantoglossum , bees observed visiting subgenus Barlia flowers are on average larger bodied; they encompass at least six species of four genera, most commonly Bombus (Teschner, 1977; Claessens & Kleynen, 2011).…”

Section: Discussionmentioning

confidence: 99%

In situmorphometric survey elucidates the evolutionary systematics of the EurasianHimantoglossumclade (Orchidaceae: Orchidinae)

Bateman

Molnár

Sramkó

2017

PeerJ

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Background and AimsThe charismatic Himantoglossum s.l. clade of Eurasian orchids contains an unusually large proportion of taxa that are of controversial circumscriptions and considerable conservation concern. Whereas our previously published study addressed the molecular phylogenetics and phylogeography of every named taxon within the clade, here we use detailed morphometric data obtained from the same populations to compare genotypes with associated phenotypes, in order to better explore taxonomic circumscription and character evolution within the clade.MethodsBetween one and 12 plants found in 25 populations that encompassed the entire distribution of the Himantoglossum s.l. clade were measured in situ for 51 morphological characters. Results for 45 of those characters were subjected to detailed multivariate and univariate analyses.Key ResultsMultivariate analyses readily separate subgenus Barlia and subgenus Comperia from subgenus Himantoglossum, and also the early-divergent H. formosum from the less divergent remainder of subgenus Himantoglossum. The sequence of divergence of these four lineages is confidently resolved. Our experimental approach to morphometric character analysis demonstrates clearly that phenotypic evolution within Himantoglossum is unusually multi-dimensional.ConclusionsDegrees of divergence between taxa shown by morphological analyses approximate those previously shown using molecular analyses. Himantoglossum s.l. is readily divisible into three subgenera. The three sections of subgenus Himantoglossum—hircinum, caprinum and formosum—are arrayed from west to east with only limited geographical overlap. At this taxonomic level, their juxtaposition combines with conflict between contrasting datasets to complicate attempts to distinguish between clinal variation and the discontinuities that by definition separate bona fide species. All taxa achieve allogamy via food deceit and have only weak pollinator specificity. Artificial crossing demonstrates that intrinsic sterility barriers are weak. Although we have found evidence of gene flow among and within the three sections of subgenus Himantoglossum, reports of natural hybrids are surprisingly rare, probably because putative parents are sufficiently similar to questionably warrant the status of species. Phenological separation and increased xeromorphy characterise the origin of subgenus Barlia. Several individual morphological characters show evidence of parallel acquisition, and loss of features is especially frequent in floral markings among members of section caprinum. Detailed patterns of gain and loss demonstrate that several different categories of flower markings are inherited independently. Along with the dimensions of labellar lobes, these pigmentation characters have been over-emphasised in previous taxonomic treatments. Increased plant vigour was a crucial element of the origin of the genus, but vegetative characters underwent remarkably little subsequent evolution. Attempts to reconstruct hypothetical ancestors at internal nodes of t...

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Honeybee (Apis Mellifera) Mediated Increased Reproductive Success of a Rare Deceptive Orchid

Cited by 7 publications

References 39 publications

Pollinators of Pulsatilla Grandis Wender. In Southern Bakony (Hungary)

Pollinators of Pulsatilla Grandis Wender. In Southern Bakony (Hungary)

Pollinators and visitors of the generalized food-deceptive orchid Dactylorhiza majalis in North-Eastern Poland

In situmorphometric survey elucidates the evolutionary systematics of the EurasianHimantoglossumclade (Orchidaceae: Orchidinae)

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