By F. Lieutier (auth.), François Lieutier, Keith R. Day, Andrea Battisti, Jean-Claude Grégoire, Hugh F. Evans (eds.)
For the 1st time, a synthesis at the learn paintings performed in Europe on all Bark And wooden dull bugs In dwelling bushes (BAWBILT) is gifted. As ultimate manufactured from a four-year study undertaking collecting jointly a hundred scientists from 24 nations, the booklet is the fruit of a true collective synthesis during which all ecu experts have participated. It experiences and reviews on all of the ecu literature, whereas contemplating the organic (trees, bugs, linked organisms, and their relationships) and woodland administration points. although, even supposing eager about the ecu wooded area, it additionally compares the on hand details and interpretations to these touching on comparable species in different continents. It ends with propositions of study priorities for Europe. The booklet is directed to all scientists and scholars inquisitive about wooded area entomology and ecology, in addition to to woodland managers and all medical public attracted to woodland biology.
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Additional info for Bark and Wood Boring Insects in Living Trees in Europe, a Synthesis
This often has a form, which is characteristic of a species (see for example the figures in Balachowsky (1949) or Pfeffer (1995)). The form of the gallery system is less informative in the non-phloeophagous bark beetles. 4. 1. General distribution More than 6000 species of Scolytids and approximately 1500 species of platypodids have now been described worldwide. More than 600 scolytid species occur in North America and nearly 900 species occur in the Palaearctic region. We can easily conclude from these numbers, that the main centre of geographical distribution and species diversity of bark and ambrosia beetles is in the subtropical and tropical regions.
Damage caused byy Ips acuminatus 12,838,000 8,109 2,028 2,235 7,400 10,000 30 18,109 12,850,428 2,265 Switzerland Spain Slovakia Romania Area (ha) Volume (m³) Number of trees 45,000 4,500,000 1990-99 120,000 1990-99 45,000 1991-2000 Portugal 1 080 800 Poland 6,780,000 Hungary 217,000 Germany 2,800,433 Total Period Country Threatened Area (ha) Table 9. 7. Phaenops cyanea Five countries provided quantitative data for this species (Table 9). The larger figures concern Poland; the status of P. piniperda, which is not resulting clearly from the data in BAWBILT database (see comments in previous section) .
Part of these differences may also stem from divergences in damage assessment methods and criteria. For example, numbers of trees killed, cubic metres of timber lost, financial value of timber degrade or areas "hit" by a pest give quite different damage assessments. An important outcome of the BAWBILT programme could be to discuss more carefully the status of the species identified as aggressive and to determine the key factors leading to their highly damaging status. DAMAGE AND CONTROL OF BAWBILT ORGANISMS 21 Table 2.