Csóka, György and Kovács, Tibor (1999): Xilofág rovarok - Xylophagous insects. Hungarian Forest Research Institute. Erdészeti Turományos Intézet, Agroinform Kiadó, Budapest, 189 pp. Mn: Nyírkéreg szú / En: Birch bark beetle 5-6 mm. Emerging in May-June. Univoltine. The egg gallery is single-shafted, vertical, up to 20 cm. The larval tunnels are packed densely. Lives under the bark of thinner stems or thicker branches of birch (Betula). Eurosiberian species, occurs in the Carpathian basin, but not too common.
[ Contents ] [ Previous ] [ Next ] [ Hungarian Version ] |