Two closely related species of the Arisaema ovale group (Araceae) selectively attract male fungus gnats of different Anatella species (Diptera: Mycetophilidae)

Matsumoto, Tetsuya K.; Sueyoshi, Masahiro; Sakata, Shigetaka; Miyazaki, Yuko; Hirobe, Muneto

doi:10.1007/s00606-022-01839-7

Cited by 3 publications

(1 citation statement)

References 44 publications

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“…Wide variations in the mode of insect pollination have also been found in these orders (Gottsberger 2016). Several orders of insects may be involved in the pollination of some Alismataceae and Tofieldiaceae species (Negoro 2004, Vislobokov and Kuzmicheva 2022), whereas specialised pollination systems that involve specific insect species have been reported in some Araceae species (Etl et al 2022, Matsumoto et al 2023). Japonolirion osense may be categorised as a generalised pollination system because it attracts four orders of insects and spiders.…”

Section: Discussionmentioning

confidence: 99%

Pollination biology of a rare serpentine plant, Japonolirionosense (Petrosaviaceae)

Funamoto

2023

Nordic Journal of Botany

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Petrosaviales is an early diverging monocot order that includes only two genera with distinct nutritional modes, namely the autotrophic Japonolirion and mycoheterotrophic Petrosavia. A rare serpentine plant endemic to Japan, Japonolirion osense is the only species of this genus. Although Petrosavia species are known to produce seeds by autonomous self‐pollination, the mating system and flower visitors of J. osense remain unknown. In this study, the pollination biology of J. osense was investigated on a serpentine slope in northern Hokkaido, Japan. Pollination experiments suggested that J. osense predominantly depends on cross‐pollination by insect pollinators for seed production. Ants and dipterans were the main flower visitors to this species. This study showed that the two genera in Petrosaviales with distinct nutritional modes also have contrasting mating systems, which provides insights into the evolution of pollination biology in this early diverging monocot order.

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Section: Discussionmentioning

confidence: 99%

Pollination biology of a rare serpentine plant, Japonolirionosense (Petrosaviaceae)

Funamoto

2023

Nordic Journal of Botany

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Pollinators of Arisaema nambae (Araceae), endemic to Okayama and Hiroshima prefectures, western Japan

Kubo,

Matsumoto,

Miyazaki

et al. 2024

Journal of Asia-Pacific Biodiversity

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When is lethal deceptive pollination maintained? A population dynamics approach

Nakazawa,

Matsumoto,

Katsuhara

2024

Annals of Botany

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Background and Aims Not all plant-pollinator interactions are mutualistic, and in fact, deceptive pollination systems are widespread in nature. The genus Arisaema has a pollination system known as lethal deceptive pollination, in which plants not only attract pollinating insects without providing any rewards, but also trap them until they die. Many Arisaema species are endangered from various disturbances including reduction in forest habitat, modification of the forest understory owing to increasing deer abundance, and plant theft for horticultural cultivation. We aimed to theoretically investigate how lethal deceptive pollination can be maintained from a demographic perspective and how plant and pollinator populations respond to different types of disturbance. Methods We developed and analysed a mathematical model to describe the population dynamics of a deceptive plant species and its victim pollinator. Calibrating the model based on empirical data, we assessed the conditions under which plants and pollinators could coexist, while manipulating relevant key parameters. Key Results The model exhibited qualitatively distinct behaviours depending on certain parameters. The plant becomes extinct when it has a low capability for vegetative reproduction and slow transition from male to female, and plant–insect co-extinction occurs especially when the plant is highly attractive to male insects. Increasing deer abundance has both positive and negative effects because of removal of other competitive plants and diminishing pollinators, respectively. Theft for horticultural cultivation can readily threaten plants whether male or female plants are frequently collected. The impact of forest habitat reduction may be limited compared to that of other disturbance types. Conclusions Our results have emphasised that the demographic vulnerability of lethal deceptive pollination systems would differ qualitatively from that of general mutualistic pollination systems. It is therefore important to consider the demographics of both victim pollinators and deceptive plants to estimate how endangered Arisaema populations respond to various disturbances.

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Two closely related species of the Arisaema ovale group (Araceae) selectively attract male fungus gnats of different Anatella species (Diptera: Mycetophilidae)

Cited by 3 publications

References 44 publications

Pollination biology of a rare serpentine plant, Japonolirionosense (Petrosaviaceae)

Pollination biology of a rare serpentine plant, Japonolirionosense (Petrosaviaceae)

Pollinators of Arisaema nambae (Araceae), endemic to Okayama and Hiroshima prefectures, western Japan

When is lethal deceptive pollination maintained? A population dynamics approach

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