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50
2
SCO 484
Zinovjev G. A., 1955: Novye dannye po faune koroedov (Coleoptera, Ipidae) Srednego Preduralya. 8 pp.
50
2
AEB 79161
Zumr V., 1982: Hibernation of spruce bark beetle, Ips typographus (Coleoptera, Scolytidae) in soil litter in natural and cultivated Picea stands. 6 pp. Acta entomologica Bohemoslovaca 79: 161-166.
50
2
AEB 78280
Zumr V., Soldán T., 1981: Reproductive cycles of Ips typographus, I. amitinus and Pityogenes chalcographus (Coleoptera, Scolytidae). 10 pp. Acta entomologica Bohemoslovaca 78: 280-289.