Notes on bionomics of Gnorimoschema steueri (Lepidoptera: Geiechiidae)
Poznámky k bionomii druhu Gnorimoschema steueri (Lepidoptera: Geiechiidae)
English, Czech summary
Klapalekiana 35(3–4): 157-159, 1999
Jiří Vávra
DOI: 10.83318/8vej-zx63
Published in print: 28th December 1999
Views: 150
Abstract: The development of larvae of Gnorimoschema steueri Povolný, 1975 collected in
the Český kras karst in central Bohemia and near Brno in southern Moravia has
been observed in laboratory conditions. The larvae are miners that feed on Aster
amellus L. They form conspicuous whitish mines in the ground leaves of the host
plant and hide in a tubelet that is about 1 –2 cm long and built with silk
and small soil grains. Larvae are capable of transfer to nearby plants if the
conductive tissues of the host plant has been destroyed. The pupal cocoons are
about 8 mm long and 2.5 mm in diameter, built just below the soil surface and
covered by sand grains. The species inhabits rocky limestone steppes on edges of
thermophilous oak forests with sufficiently dense populations of Aster amellus.
Key words: Bionomy, host-plant, life history, larva, Lepidoptera, Geiechiidae, Gnorimoschema steueri, central Bohemia, south Moravia
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