SIMULIUM (NEVERMANNIA) BONNINENSE FROM THE OGASAWARA (BONIN) ISLANDS, JAPAN (DIPTERA: SIMULIIDAE): TAXONOMIC ASSIGNMENT TO THE VERNUM-GROUP AND DESCRIPTIONS OF MALE, PUPA AND MATURE LARVA

  • TAKAOKA HIROYUKI
    Department of Infectious Disease Control, Oita Medical University
  • SAITO KATSUMI
    Department of Parasitology, School of Medicine, Yokohama City University
  • SUZUKI HIROSHI
    Information and Reference Center of Tropical Medicine, Institute of Tropical Medicine, Nagasaki University

書誌事項

タイトル別名
  • Simulium (Nevermannia) bonniense from the Ogasawara (Bonin) Island, Japan (Diptera: Simuliidae). Taxonomic Assignment to the Vernum-group and Descriptions of Male, Pupa and Mature Larva.
  • Simulium Nevermannia bonniense from the Ogasawara Bonin Island Japan Diptera Simuliidae axonomic Assignment to the Vernum-group and Descriptions of Male Pupa and Mature Larva

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抄録

Descriptions and illustrations of male, pupa and mature larva of a black-fly species, Simulium (Nevermannia) bonninense (Shiraki, 1935), from the Ogasawara (Bonin) Islands in Japan are given for the first time; the female adult is also redescribed. Within the subgenus Nevermannia, this species is assigned to the vernum-group by the combination of the following characters : male genitalia with a lamellate ventral plate without median keel, an elongate style with a large, broad, inwardly-twisted apex, a single parameral hook per side, and an inverted Y-shaped median sclerite; pupal gill with four slender filaments per side; and larval mandible with supernumerary serrations. Interestingly, this species has the katepisternum haired in both sexes of adults, female genital fork with a prominent projection directed forwards on each arm, and pupal frons with two trichomes on each side, all of which are rare in this species-group. Brief notes on adult blood-feeding, and larval habitats of S. (N.) bonninense are given.

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