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Wednesday, November 9th, 2022

    Time Event
    3:15a
    [Botany • 2022] Thottea beungongtanoeh (Aristolochiaceae) • A New Species from Aceh, northern Sumatra, Indonesia


    Thottea beungongtanoeh Mustaqim, 

    in Mustaqim &  Arico, 2022. 

    Abstract
    A species new to science, Thottea beungongtanoeh Mustaqim (Aristolochiaceae), is described based on a specimen collected from a lowland mixed dipterocarp forest in the eastern part of Aceh Province, the northernmost province in Sumatra. This species differs from all previously described species in having 33-lobed style, the highest count for the genus. Morphological description, distribution, phenology, comparison with the similar species, and the photographs of the living plants are provided.

    Keyword: Acehnese Language, cauliflory Indonesia, the lowland mixed dipterocarp forest, Thottea grandiflora, West Malesia

       

    Thottea beungongtanoeh Mustaqim.
    A. Living plant. B. Leaf, adaxial side. C. Leaf, abaxial side. D. Inflorescences. E. Flower, lateral view. F. Flower, top view. G. Perianth, outer surface. H. Perianth, inner surface. I. Stamens. J. Style and stigma. K. Immature capsule.
    Scale bars: B–C, F = 1 cm, D–E = 1 cm, G = 5 mm, H–J = 1 mm, K = 5 mm. 
    Photographed by Wendy A. Mustaqim


    Thottea beungongtanoeh Mustaqim, sp. nov. 

    Diagnosis: Thottea beungongtanoeh can be recognized from other species in the genus by the 33- lobed style. It is similar to T. grandiflora Rottb., besides having more numerous style lobes (33 vs 20), this species differs in having inflorescence close to ground level (vs not from the ground level) and tubular perianth tube (vs campanulate).

    Distribution and Ecology: Indonesia, endemic to northern Sumatra (Aceh Province), only known from the type locality (Fig. 2). Found in the lowland mixed dipterocarp forests on undulating terrain at the elevation around 60–80 m asl, on clay mixed with humus soils.

     Etymology: The specific epithet is derived from the Acehnese Language, beungong tanoeh, which means ‘flower of the ground’, indicating the position of the flowers.



    Wendy A. Mustaqim and Zulfan Arico. 2022. Thottea beungongtanoeh (Aristolochiaceae), A New Species from Aceh, northern Sumatra. Taiwania. 67(4); 587-590.

    10:16a
    [Entomology • 2022] Oecanthus beameri • A New Species of Tree Cricket (Orthoptera: Gryllidae: Oecanthinae) from Chihuahuan Desert Gypsum Dunes in the United States and A Key to the nigricornis Species Group


    Oecanthus beameri  
    Collins & Lightfoot, 2022


    Abstract
    A new species of tree crickets, Oecanthus beameri sp. nov., is described from the gypsum dunes of White Sands National Park in New Mexico, United States. The new species is currently known only from the type locality, where it appears to be specific to the gypsophile plant hoary rosemary mint (Poliomintha incana). This new species has the narrowed tegmina and calling song that are found in the nigricornis species group. Although it has morphological similarities to O. quadripunctatus and O. celerinictus, there are differences in the subgenital plates, tegminal measurements, coloring, tibial markings, song frequency, and song pulse rate. This new species has been given the common name White Sands tree cricket. We provide a key to all species in the nigricornis group. Video and song recordings are available online as Suppl. materials 1–8.

    Keywords: bioacoustic, biodiversity, gypsophile, Oecanthus, Poliomintha incana, White Sands National Park

    Family Gryllidae Laicharting, 1781
    Subfamily Oecanthinae Blanchard, 1845

    Tribe Oecanthini Blanchard, 1845

    Genus Oecanthus Serville, 1831

    Oecanthus beameri sp. nov.
    A. Male habitus, dorsal view; B. Front view of a singing male; C. Antennal markings. Photo credit James Bailey, iNaturalist; D. Ventral abdomen color of adult male. Photo credit Jared Shorma, iNaturalist; E. Ventral abdomen color of adult female; F. Faint horizontal lines on proximal portion of hind femora. Photo credit James Bailey, iNaturalist.

     Oecanthus beameri sp. nov.
     
    Diagnosis.— The antennal markings of O. beameri sp. nov. can total two, three, or four, with the medial mark on the scape usually broken into two pieces (Figs 3C, 4), while O. quadripunctatus has either two or four marks with the medial mark on the scape being a solid post, and O. celerinictus always has a solid medial mark on the scape and never lacks the upper outer mark on the scape and is never round. The two antennal marks on the pedicel of O. walkeri (Collins and Symes 2012) touch, and those of O. argentinus touch or nearly touch, while the marks on O. beameri sp. nov. do not.
     
    Etymology.— Specific epithet in recognition of Raymond Beamer who collected the specimens in 1932 that were discovered in the ANSDU collection in 2019. The common name, White Sands tree cricket, is for the location where this species was discovered with high potential for endemism.


    Nancy Collins and David C. Lightfoot. 2022. A New Species of Tree Cricket (Orthoptera, Gryllidae, Oecanthinae) from Chihuahuan Desert Gypsum Dunes in the United States and A Key to the nigricornis Species Group. Journal of Orthoptera Research. 31(2): 181-189. DOI: 10.3897/jor.31.79036

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