The effect of the game deterrent Woebra on attacks by the poplar clearwing moth, Paranthrene tabaniformis Rott. (Lep., Sesiidae).
1994
Moraal L.G.
The game deterrent "Woebra", a copolymer containing quartz sand, is smeared on trees to deter mammals from damaging the bark. An experiment showed that Woebra might act as a physical barrier against woodboring insects but it did not prevent infestations by larvae of Paranthrene tabaniformis (Lep.: Sesiidae) in one-year-old poplars. Woebra had not adversely affected the annual height increment of the treated trees up to three years after application.
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