Csóka, György and Kovács, Tibor (1999): Xilofág rovarok - Xylophagous insects. Hungarian Forest Research Institute. Erdészeti Turományos Intézet, Agroinform Kiadó, Budapest, 189 pp. Mn: Sötétcsápú fadarázs / En: Sirex wasp 18-30 mm. Swarms from May until September. The female lays 200-400 eggs on dying or dead stems of Picea and Abies. Can be found from Europe to Northern-Mongolia.
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