Ueber die Fichten-Silbermotten (Lepidoptera, Yponomeutidae, Argyresthiinae) in den Westkarpaten

1997

9 Lit. Ang.

Unselbständiges Werk

3718

200095644

Three species of the genus Argyresthia Huebner (Argyresthia bergiella Ratzeburg, Argyresthia amiantella Zeller and Argyresthia glabratella Zeller) were studied in Norway spruce forests at an elevation of 380-1550m in the West Carpathian Mountains (central and western Slovakia). These species have distinct external pupal characteristics and feed marks. They occur together, being more abundant in the middle and upper canopy, and prefer forests at or above 1,000m, often at the timber line. Their dependence on parent rock was not found. Abundance of these species differed greatly from year to year and any changes in abundance were mostly synchronised at various sites within the same mountain area. Argyresthia amiantella was the most abundant species. There is an indication that the outbreaks of Argyresthia moths on Norway spruce might be short-term.