Corpus ID: 86371418

Notes on the life cycles of Norwegian Dixella species (Diptera, Nematocera, Dixidae)

  title={Notes on the life cycles of Norwegian Dixella species (Diptera, Nematocera, Dixidae)},
  author={{\O}yvind H{\aa}land},
The life cycle of 5 Norwegian species of the genus Dixella Dyar & Shannon, 1924, was investigated, some of them by a sampling programme in one or two localities, and one from samples taken in different places in southern Norway. Some of the species, possibly all, have two generations each year. Two of the species, D. amphibia (De Geer, 1776), and D. nigra (Staeger, 1840) spend the winter in the 3rd or 4th larval stage, the others (D. aestivalis (Meigen, 1818), D. hyperborea (Bergroth, 1889) and… Expand
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