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type: article
year: 1989
author: Skrzypczyńska M.
title: Studies on the occurence and parasitization of the spruce seed pests, Megastigmus strobilobius Ratz. (Hym., Torymidae) and Plemeliella abietina Seitn. (Dipt., Cecidomyiidae) in Poland during a poor seed year.
periodical: Journal of Applied Entomology•vol.: 108•issue: 2•pages: 138-143
short citation: Skrzypczyńska 1989c
BioMap ID: 15020