18.05. Pityophthorus micrographus (Linnaeus, 1758)
Presence
E: AU BU BY CR CT CZ DE EN FI FR GB GE GR HU IT LA LT LU NR NT PL RO SL* SP SV SZ YU »Caucasus«
A: KZ TR WS
Ecology and presence in Slovenia
Grüne 1979: Pityophthorus micrographus Linné, 1758; Pfeffer 1995: Pityophthorus micrographus micrographus (Linné, 1758).
Figure 72: Pityophthorus micrographus, distribution map according to historical and recent data
Ecology and presence in Slovenia
The species is distributed in northern, central and eastern Europe, Kazakhstan, Turkey, the European part of the former Soviet Union and western Siberia. It is relatively rare in Slovenia (Figure 72). Recent records from Gorenjska are the result of trapping. Hosts include Picea abies and P. obovata, less frequently Pinus sylvestris, P. cembra, Abies sibirica and Larix sibirica. No information on hosts in Slovenia. Develops 1-2 generations annually. The tunnel system is star-shaped, with long maternal galleries oriented longitudinally. Adult length is 1.6-2.3 mm.