Results 61 to 70 of about 940 (177)

Phenological Study of the Spruce Bark Beetles Ips typographus (L.) and Pityogenes chalcographus (L.) (Coleoptera: Curculionidae) on Tara Mountain, Serbia

open access: yesSouth-East European Forestry
This study presents a detailed phenological analysis of two important spruce bark beetle species, Ips typographus (L.) and Pityogenes chalcographus (L.) (Coleoptera: Curculionidae), in the region of Tara Mountain in western Serbia, conducted over a ...
Marija Milosavljević   +4 more
doaj   +1 more source

Consecutive Reactions with Sulfoximines: Straightforward Synthesis of Substituted 5,5-Spiroketals [PDF]

open access: yes, 2011
International audienceAn efficient sysnthesis of 5,5-spiroketals, i.e. 1,6-dioxaspiro[4.4]nonane derivatives, is described from 2-(sulfonimidoylmethylene)tetrahydrofurans involving a consecutive epoxide opening / oxa-Michael spiroketalization sequence ...
Bonne, Damien   +9 more
core   +3 more sources

The relationship between Nemozoma elongatum (Coleoptera: Trogossitidae) and its primary bark-beetle prey-species

open access: yesAnnals of Forest Science
Key message Nemozoma  elongatum (Linnaeus, 1761) shows a positive response to artificially produced lures targeting its two main prey species, Pityogenes chalcographus (Linnaeus, 1761) and Taphrorychus bicolor (Herbst, 1793), with a preference for P ...
Jaroslav Holuša   +5 more
doaj   +1 more source

Patogeni žuželk s poudarkom na patogenih podlubniih (COL., Scolytidae: Ips typographus L.) : preliminarni rezultati o izolaciji entomopatogenih gliv iz dveh smrekovih podlubnikov v Sloveniji [PDF]

open access: yes, 2017
This paper deals with the most important groups of insect pathogens, i.e. viruses, bacteria, fungi, nematodes and protozoans (microsporidia). We describe their basic characteristics, virulence, method of infecting or attackon the host, signs of illnesses
Jurc, Maja
core  

Utjecaj gustoće predatora i zimskog mortaliteta na reprodukciju bivoltnih populacija smrekovog potkornjaka Ips typographus L. (Coleoptera: Curculionidae) [PDF]

open access: yes, 2018
The study was aimed at evaluating the influence of winter mortality and predator larvae abundance on breeding performance of bivoltine populations of Ips. typographus colonizing felled spruce trees in Croatia. A low colonization density of I. typographus
Ake Lindelöw   +2 more
core   +2 more sources

Bark beetle population dynamics in the Anthropocene: Challenges and solutions [PDF]

open access: yes, 2019
Tree-killing bark beetles are the most economically important insects in conifer forests worldwide. However, despite N200 years of research, the drivers of population eruptions and crashes are still not fully understood and the existing knowledge is thus
Biedermann, P.   +16 more
core   +3 more sources

The arthropod complex associated with Ips typograpfius (L.) (Coleoptera, Scolytidae): species composition, phenology, and impact on bark beetle productivity [PDF]

open access: yes, 1992
The biology of forest arthropods associated with the bark beetle lps typographus and the impact of these associates on bark beetle productivity were investigated in the field.
Weslien, Jan
core   +2 more sources

Can Larix sp. Mill. Provide Suitable Habitats for Insects and Lichens Associated with Stems of Picea abies (L.) H. Karst. in Northern Europe? [PDF]

open access: yes, 2022
Recent observations suggest that climate change affects the growth conditions and range of tree species distribution in Europe. This may also have a major effect on communities of different organisms associated with these tree species.
Gedminas, Arturas   +4 more
core  

Bark beetles and their antagonists in beech stands of Rhineland-Palatinate [PDF]

open access: yes, 2008
Im Rahmen des Interreg III A DeLux – Projektes „Entwicklung von Strategien zur Sicherung von Buchenwäldern“ wurden im Zeitraum 2003 bis 2005 in 16 rheinland-pfälzischen Buchenwäldern Borkenkäferfänge mit Lockstoff-Fallen durchgeführt.
Petercord, Ralf
core  

Insects in burned forests - forest protection and faunal conservation (preliminary results) [PDF]

open access: yes, 1995
The beetle colonization of fire-damaged trees was studied in seven reserves, which were established in burned forests in south and central Sweden, following extensive forest fires in the summer of 1992.
Ehnström, Bengt   +2 more
core   +2 more sources

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