Welcome to Arachnological Society of Japan

Arachnological Society of Japan (ASJ) was established in 1936 to promote the study of arachnids and myriapods and the information exchange among reseachers.
ASJ now holds one meeting per year and publishes Acta Arachnologica twice per year. Acta Arachnologica is a journal devoted to the study of arachnids and myriapods, and is printed in English and Japanease.

Anyone interested in the study of arachnids and myriapods can become a member of the society. If you are interested to become a member of ASJ, contact the secretary.

Information

  • Update of overseas membership fee
    Overseas membership fee is amended according to the councilors' decision
    (posted: 2024.07.28)
  • Announcement of ASJ meeting 2025


    A special website for Arachnological Society of Japan meeting 2025 is opened.

    Please visit the website for the detailed information
    (We apologize only Japanese website is available. Please use google translate and something for those who are considering participation.)
    Date: 2025.09.27 (Sat., JST 9:00 - 20:00 including banquet) & 2025.09.28 (Sun., JST 9:00 - 12:00)
    Place for onsite meeting: Tokyo College of Environment, Sumida-ku, Tokyo (TCE)

    Important Date

    1. Registration deadline for presenter: 2025.08.31 (Sun)
    2. Online abstract submission deadline: 2025.09.08 (Mon)
    3. Registration deadline for participant: 2025.09.10 (Wed)

    ※ We limit the number of on-site attendance upto 90, owing to the capacity of meeting room.
    Please consider the early application for on-site attendance.

    We are looking forward to meet you at Tokyo and online.

    On behalf of Secretariat of 57th ASJ; Kiyoko Kato