黄色い花には、これまで考えられていたよりも多くの昆虫が訪れている可能性(Yellow-eyed grasses may have more insect visitors than previously thought)

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2024-04-11 ペンシルベニア州立大学(PennState)

黄色い花には、これまで考えられていたよりも多くの昆虫が訪れている可能性(Yellow-eyed grasses may have more insect visitors than previously thought)
Yellow-eyed grasses are visited by a diverse group of arthropods — including spiders, beetles, and other insects such as grasshoppers, locusts and crickets, according to the researchers. Credit: Terry Torres-Cruz. All Rights Reserved.

黄色い花の草については、昆虫があまり訪れないと考えられていたが、最近、菌がこの植物を乗っ取り、擬似的な花を形成することが発見され、研究者たちはその仮説を再考することになった。新しい研究では、ガイアナでこれらの草を訪れる節足動物の初めての記録が発表され、昆虫がこれらの草を訪れる可能性が以前に考えられていたよりも高いことが示された。

<関連情報>

キク科キク属を訪れる節足動物の多様性: ガイアナからの新たな観察 Diversity of Arthropods that Visit Xyris spp. (Xyridaceae): New Observations from Guyana

Terry J. Torres-Cruz, Lauren A. Ré, Jack R. Johnson, David M. Geiser, Michael J. Skvarla
Proceedings of the Entomological Society of Washington  Published: 31 January 2024
DOI:https://doi.org/10.4289/0013-8797.125.2.246

Abstract

Xyris spp., commonly known as yellow-eyed grasses, do not possess nectaries and were thought not to attract many insect visitors. The majority of insect visitation studies carried out on this genus have been limited to North American species, despite its center of diversity being in South America. The discovery of a potential new fungal mimicry system on Xyris spp. and the potential for insect visitation pattern alteration by the fungus led us to assess arthropod visitation to Xyris spp. in three regions of Guyana. Arthropods were photographed and identified morphologically. Here, we provide the first documentation of arthropods in the orders Araneae, Coleoptera, and Orthoptera visiting Xyris spp. plants. We also observed a Coleophora sp. (Lepidoptera: Coleophoridae) on Xyris spikes, expanding the geographic range of this taxon.

生物環境工学
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