Declining Bark Beetle Densities (<i>Ips typographus</i>, Coleoptera: Scolytinae) from Infested Norway Spruce Stands and Possible Implications for Management

<table>The design of the trap transects in (a) the city, (b) the open land, and (c) the broadleaf stand. All transects start in stands with infestations spots. (Maps: VECTOR 25, swisstopo (JA100118), 2010.)</table>

Psyche: A Journal of Entomology

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Figure 1

Figure 1: Declining Bark Beetle Densities (<i>Ips typographus</i>, Coleoptera: Scolytinae) from Infested Norway Spruce Stands and Possible Implications for Management 

Figure 1 | Declining Bark Beetle Densities (Ips typographus, Coleoptera: Scolytinae) from Infested Norway Spruce Stands and Possible Implications for Management 