By Fernando E. Vega
Bark Beetles: Biology and Ecology of local and Invasive Species offers a radical dialogue of those economically vital pests of coniferous and broadleaf bushes and their significance in agriculture. it's the first ebook available in the market exclusively devoted to this significant crew of bugs, and comprises 15 chapters on ordinary background and ecology, morphology, taxonomy and phylogenetics, evolution and variety, inhabitants dynamics, resistance, symbiotic institutions, typical enemies, weather swap, administration innovations, economics, and politics, with a few chapters completely dedicated to the most economically very important bark beetle genera, together with Dendroctonus, Ips, Tomicus, Hypothenemus, and Scolytus.
This textual content is perfect for entomology and forestry classes, and is geared toward scientists, school individuals, woodland managers, practitioners of organic keep watch over of insect pests, mycologists drawn to bark beetle-fungal institutions, and scholars within the disciplines of entomology, ecology, and forestry.
- Provides the single synthesis of the literature on bark beetles
- Features chapters solely dedicated to the most economically vital bark beetle genera, comparable to Dendroctonus, Ips, Tomicus, Hypothenemus, and Scolytus
- Includes copious colour illustrations and images that extra improve the content
Read Online or Download Bark Beetles: Biology and Ecology of Native and Invasive Species PDF
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Extra resources for Bark Beetles: Biology and Ecology of Native and Invasive Species
5C). For example, at latitudes or elevations where temperatures are low, in forests that are sufficiently diverse, or in stands where the trees are too young to support high population densities, this gap becomes insurmountable. Similarly, many bark beetle species do not exhibit a high degree of plasticity in host selection behavior relative to defense physiology, so the distance between EnEq and ErT is essentially infinite. Some examples in which high initial populations increase in response to severe environmental stress but are not followed by sustained positive feedback include Ips confusus (LeConte) and I.
Plenum, New York, pp. 579–596. , 1979. Synthesis and field testing of 4,6,6,-lineatin, the aggregation pheromone of Trypodendron lineatum (Coleoptera: Scolytidae). J. Chem. Ecol. 5, 681–689. , 1980. Enantiomer-based specificity in pheromone communication by two sympatric Gnathotrichus species (Coleoptera: Scolytidae). J. Chem. Ecol. 6, 445–456. , 1982. Variation in response of Trypodendron lineatum from two continents to semiochemicals and trap form. Environ. Entomol. 11, 403–408. , 1986. Orientation in forest Coleoptera: An uncertain outcome of responses by individual beetles to variable stimuli.
Most importantly, the likelihood of successful attack becomes much higher, and much less sensitive to host defense. , 2006) and conduct (Raffa and Berryman, 1983) mass attacks, colonization attempts are likely to succeed regardless of a tree’s defensive capacity. The intraspecific competition curve can rise somewhat with increases in tree defense level, but this is again constrained by the beetle’s sophisticated anti-aggregation pheromone system that nearly limits the number of attackers to that required to overcome defense.