Publications by authors named "Doerte Goertz"

Vertical transmission and the overwintering success of three different microsporidia infecting Lymantria dispar (Lepidoptera: Lymantriidae) larvae were investigated. Endoreticulatus schubergi, a midgut pathogen, was transmitted to offspring via female and male via the egg chorion (transovum transmission). Between 8% and 29% of the emerging larvae became infected.

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The gypsy moth, Lymantria dispar L. (Lepidoptera, Lymantriidae), a serious defoliator of deciduous trees, is an economically important pest when population densities are high. Outbreaking populations are, however, subject to some moderating influences in the form of entomopathogens, including several species of microsporidia.

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Article Synopsis
  • The study examines the host-parasite interactions of two microsporidian isolates from the Lymantria dispar L. moth in Bulgaria, focusing on infection rates, mortality, and development.
  • Bioassay results showed high infection rates (77-100%) for both isolates, with the Veslec isolate causing slightly higher mortality and faster death compared to Levishte.
  • Transmission experiments indicated that both isolates were equally effective in spreading, with similar latency periods of 7-8 days and variations in growth rates of infected larvae during different developmental stages.
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