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Comparative morphology of immature stages and adults of Hydroscapha from Taiwan, with description of a new species from Hong-Kong (Coleoptera: Myxophaga: Hydroscaphidae)

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00023272%3A_____%2F20%3A10134902" target="_blank" >RIV/00023272:_____/20:10134902 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11310/20:10419902

  • Result on the web

    <a href="https://lkcnhm.nus.edu.sg/app/uploads/2020/01/RBZ-2020-0051.pdf" target="_blank" >https://lkcnhm.nus.edu.sg/app/uploads/2020/01/RBZ-2020-0051.pdf</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.26107/RBZ-2020-0051" target="_blank" >10.26107/RBZ-2020-0051</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Comparative morphology of immature stages and adults of Hydroscapha from Taiwan, with description of a new species from Hong-Kong (Coleoptera: Myxophaga: Hydroscaphidae)

  • Original language description

    Hydroscaphidae is a small family of the beetle suborder Myxophaga comprising miniaturised aquatic beetles resembling some staphylinids. Surprisingly little is known about the taxonomy and biology of these beetles. In this study we present novel data based on freshly collected material of Hydroscapha LeConte, 1874, from Taiwan and Hong Kong. Morphology and DNA barcoding revealed two species: Taiwanese endemic H. takahashii Miwa, 1935, and H. shuihau, a new species, so far known only from Lantau Island of Hong Kong. Both species are (re)described, illustrated, and compared to the types of H. hunanensis Pu, 1948. Both species were found in algal mats in ephemeral hygropetric habitats; in two cases adults massed together with immature stages were observed. Larvae and pupae of H. takahashii were studied and illustrated using SEM and light microscopy. Comparisons of immature stages of Hydroscaphidae based on our new data and a detailed review of the literature reveals that principal differences between genera and species can be found in the modifications of the tracheal system both in larvae and pupae. Four larval instars were found in H. takahashii, corresponding to the number of instars known in the myxophagan family Torridincolidae. Based on our observations, we suggest that the minute body size of Hydroscapha may be one of the adaptations for colonising and exploiting ephemeral habitats.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10616 - Entomology

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Raffles Bulletin of Zoology

  • ISSN

    0217-2445

  • e-ISSN

  • Volume of the periodical

    68

  • Issue of the periodical within the volume

    květen

  • Country of publishing house

    SG - SINGAPORE

  • Number of pages

    16

  • Pages from-to

    334-349

  • UT code for WoS article

    000600028700027

  • EID of the result in the Scopus database