Results 31 to 40 of about 1,413 (203)

Root Diseases and Blister Rust Associated with Bark Beetles (Coleoptera: Scolytidae) in Western White Pine in Idaho [PDF]

open access: yes, 1984
Root systems of western white pine, Pinus montieola Douglas, were excavated with explosives and examined for pathogens. Data were also recorded on portions of the crown killed by blister rust caused by Cronartium ribieola Fisch.
Kulhavy, David   +2 more
core   +2 more sources

The relationships between Pityogenes chalcographus and Nemosoma elongatum in clear-cuts with different types of management

open access: yesPlant Protection Science, 2020
Pityogenes chalcographus (Linnaeus, 1758) is a significant pest of young spruce stands up to the age of about 20 years. Predation can be a significant part of decreasing its population density.
Petr Zahradník, Marie Zahradníková
doaj   +1 more source

On the genus Bursaphelenchus Fuchs, 1937 (Nematoda: Parasitaphelenchinae) associated with wood and insects from declining forest trees in the Czech Republic [PDF]

open access: yes, 2013
An overview of the genus Bursaphelenchus in the Czech Republic is presented, based on a recent survey for monitoring the presence of the pinewood nematode, Bursaphelenchus xylophilus, as well as on previous reports of this genus in the country.
Abelleira   +34 more
core   +1 more source

What is Next in Bark Beetle Phylogeography?

open access: yesInsects, 2012
Bark beetle species within the scolytid genera <em>Dendroctonus</em>, <em>Ips</em>, <em>Pityogenes</em> and <em>Tomicus</em> are known to cause extensive ecological and economical damage in spruce and pine ...
Dimitrios N. Avtzis   +2 more
doaj   +1 more source

New invasive phytophagous insects in woods and forest plantings of Donbass [PDF]

open access: yesКавказский энтомологический бюллетень, 2016
The article presents information about 19  species of invasive phytophagous insects which were registered during the last 20 years on the territory of Donbass. Three species (Trichoferus campestris, Xyleborinus attenuatus and Anisandrus maiche) belong to
V.V. Martynov, T.V. Nikulina
doaj   +1 more source

Erroneous conclusions about current geographical distribution and future expansion of forest insects in Northern Sweden: comments on Hof and Svahlin (2015) [PDF]

open access: yes, 2015
We question the validity of the results and the conclusions from a study entitled The potential effect of climate change on the geographical distribution of insect pest species in the Swedish boreal forest that was recently published in Scandinavian ...
Björklund, Niklas   +2 more
core   +1 more source

THE PREDATORS AND LIFE CYCLE OF Pityogenes bidentatus (Herbst) AT ORIENTAL SPRUCE FORESTS

open access: yesForestist, 2002
Pityogenes bidentatus (H rb st.) is an im p o r ta n t p est esp ecia lly on sp r u c e a n d o th e r c o n ifer fo rests in E a ste rn B la ck S ea R eg io n . I f n o p reca u - tio n s are ta k en a g a in st tlıis p est, it m a y b eco m e a p rim
Beşir YÜKSEL
doaj   +1 more source

On the track of Bursaphelenchus pinophilus Brzeski and Baujard, 1997 (Nematoda: Aphelenchoididae) in Portugal [PDF]

open access: yes, 2013
This is the first report and characterization of Bursaphelenchus pinophilus in Portugal. This species was isolated from a young dying Pinus pinaster tree located in Valverde, in the Alentejo region.
Akbulut   +19 more
core   +1 more source

Chemical thinning in blue spruce (Picea pungens Engelm.) stands and its effects on cambioxylophagous fauna

open access: yesJournal of Forest Science, 2010
Chemical thinning was applied in blue spruce (Picea pungens Engelm.) stands by the application of Roundup Klasik and Garlon 4 EC. The thinning efficacy of Garlon 4 EC was negligible, while that of Roundup Klasik reached nearly 100% when the full strength
M. Pop, E. Kula, P. Maňas, R. Kajfosz
doaj   +1 more source

Evaluation of Three Trap Types and Five Lures for Monitoring \u3ci\u3eHylurgus Ligniperda\u3c/i\u3e (Coleoptera: Scolytidae) and Other Local Scolytids in New York [PDF]

open access: yes, 2018
Hylurgus ligniperda (Coleoptera: Scolytidae) is a pine (Pinus spp.) pest native to Eurasia and northern Africa. In December 2000, an established population of H. ligniperda was discovered in Monroe County, New York.
Haack, Robert A   +2 more
core   +2 more sources

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