Silk glands and capture nets of Hydropsyche kozhantschikovi Martynov (Trichoptera: Hydropsychidae) larvae

Chul Kim Myoung, Chan Park Sang, Jun Chun Dong, Woo Kang Suk, Rok Seo Young, Hyeock Yu Chai, Sik Han Sung

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Histological studies of the silk glands of the caddisfly larvae of Hydropsyche kozhantschikovi Martynov demonstrated that these structure fold twice into a 'Z' shape with the volume in the center comparatively thicker than in other sections. The glands are more slender towards the mouth and unite with the labium. A pair of muscles, an apodeum between the muscles and the body wall, and a tendon between the muscles and the glands were observed within the thorax. We assumed that silk is spewed through these structures. Examination of the material from the inside of the silk glands showed varying composition. The center was loose and heterogeneous, while the surrounding area was homogeneous. These differences were verified through immunohistochemistry. Scanning electron microscopy show that capture nets of H. kortizantschikovi larvae have randomly arranged silk strands.

    Original languageEnglish
    Pages (from-to)178-185
    Number of pages8
    JournalJournal of Entomological Science
    Volume40
    Issue number2
    DOIs
    Publication statusPublished - 2005 Apr

    Keywords

    • Capture nets
    • Hydropsyche kozhantschikovi
    • Silk gland
    • Trichoptera

    ASJC Scopus subject areas

    • Ecology, Evolution, Behavior and Systematics
    • Agronomy and Crop Science
    • Insect Science

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