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  • 1.
    Johanson, Kjell Arne
    Swedish Museum of Natural History, Department of Zoology.
    A new Helicopsyche von Siebold (Trichoptera: Helicopsychidae) from Thailand1994In: Aquatic Insects, ISSN 0165-0424, E-ISSN 1744-4152, Vol. 16, p. 17-20Article in journal (Refereed)
  • 2. Johanson, Kjell Arne
    Description of Two New Neotropical Helicopsyche (Trichoptera: Helicopsychidae)1999In: Aquatic Insects, ISSN 0165-0424, E-ISSN 1744-4152, Vol. 21, p. 127-132Article in journal (Refereed)
  • 3.
    Johanson, Kjell Arne
    Swedish Museum of Natural History, Department of Zoology.
    Description of two new Oriental Helicopsyche (Trichoptera, Helicopsychidae)2001In: Aquatic Insects, ISSN 0165-0424, E-ISSN 1744-4152, Vol. 23, p. 147-151Article in journal (Refereed)
  • 4.
    Johanson, Kjell Arne
    et al.
    Swedish Museum of Natural History, Department of Zoology.
    Mary, Nathalie
    Helicopsyche trispina sp. n. (Insecta, Trichoptera, Helicopsychidae) from New Caledonia2000In: Aquatic Insects, ISSN 0165-0424, E-ISSN 1744-4152, Vol. 23, p. 315-322Article in journal (Refereed)
  • 5. Nilsson, Anders N.
    et al.
    Geijer, Joja
    Shaverdo, Helena
    Naturhistorisches Museum Wien.
    Bergsten, Johannes
    Swedish Museum of Natural History, Department of Zoology.
    Larval morphology of Agabus clypealis (Thomson, 1867) and A. pseudoclypealis Scholz, 1933 and notes on their distribution (Coleoptera: Dytiscidae)2017In: Aquatic Insects, ISSN 0165-0424, E-ISSN 1744-4152, Vol. 38, no 3, p. 141-169Article in journal (Refereed)
    Abstract [en]

    The third instar larvae of Agabus clypealis (Thomson, 1867) and A. pseudoclypealis Scholz, 1933 are described. Important morphological structures (head, legs, and abdominal segment 8 with urogomphi) are illustrated. Both species share a completely sclerotized abdominal segment 6 with A. setulosus (J. Sahlberg, 1895). Morphological characters and species phenology are discussed in relation to the A. confinis-species group. All available literature records and some new and additional data on distribution of the two species are provided. Agabus clypealis is recorded for the first time from Estonia, and there is no reason to doubt the records of A. pseudoclypealis from Kazakhstan.

  • 6. Yang, L.
    et al.
    Johanson, Kjell Arne
    Swedish Museum of Natural History, Department of Zoology. Swedish Museum of Natural History.
    Description of a new Helicopsyche species from China (Trichoptera: Helicopsychidae)2004In: Aquatic Insects, ISSN 0165-0424, E-ISSN 1744-4152, Vol. 26, p. 65-68Article in journal (Refereed)
1 - 6 of 6
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