Results 81 to 90 of about 39,173 (271)

Duftstoffe aus Holzalterungsprozessen als Infochemikalien für Trypodendron domesticum L. (Col., Scolytidae) und dessen Bedeutung innerhalb der Buchenkomplexkrankheit [PDF]

open access: yes, 2008
Beginning in Belgium 1999, low mountain ranges of middle Europe were afflicted with the “European beech bark disease” (EBBD). It was first described by Hartig in 1878 as a complex disease where infestation of beech scale (Cryptococcus fagisuga; Hemiptera,
Holighaus, Gerrit, Schütz, Stefan
core  

Effects of Visual Silhouette, Leaf Size and Host Species on Feeding Preference by Adult Emerald Ash Borer, \u3ci\u3eAgrilus Planipennis\u3c/i\u3e Fairmaire (Coleoptera: Buprestidae) [PDF]

open access: yes, 2018
The emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae) is an invasive species recently established in North America. In large arena bioassays, when given a choice among live green ash, Fraxinus pennsylvanica Marsh and artificial ...
Poland, Therese M, Pureswaran, Deepa S
core   +2 more sources

Temperature Impacts on Mating and Oviposition of the Emerald Ash Borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae)

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
The emerald ash borer (EAB), Agrilus planipennis, threatens ash trees in North America and Europe. To assess the role of temperature on EAB reproduction, we reared adults at one of four temperatures (12°C, 15°C, 18°C, and 21°C) and measured reproductive success.
Kenneth W. Dearborn   +3 more
wiley   +1 more source

Entomogenic Climate Change [PDF]

open access: yes, 2008
Rapidly expanding insect populations, deforestation, and global climate change threaten to destabilize key planetary carbon pools, especially the Earth's forests which link the micro-ecology of insect infestation to climate.
Crutchfield, James P., Dunn, David
core   +1 more source

Observations of the Gallery Habits of \u3ci\u3eTrypodendron Retusum\u3c/i\u3e (Coleoptera: Scolytidae) Infesting Aspen in Central Michigan [PDF]

open access: yes, 2017
A monogamous pair of adult Trypodendron retusum construct a gallery system consisting of an entrance tunnel and from two to five lateral tunnels into the sapwood of aspen. Inoculation of the mutualistic fungus Ambrosiella ferruginea by the female beetle,
Beck, Robert A   +2 more
core   +2 more sources

Hermit beetle (Osmoderma barnabita) habitat selection and movement are shaped by tree microhabitat availability in Eastern Romanian Carpathians

open access: yesInsect Conservation and Diversity, EarlyView.
We conducted the first radio‐tracking study on Osmoderma barnabita to examine the movement ecology and habitat selection in the Eastern Carpathians. A female recorded the longest movement distance and had larger home ranges than males. It showed a preference for Quercus petraea, with wood mould cavities and DBH as key predictors.
Marian D. Mirea   +6 more
wiley   +1 more source

Ohio Economic Insects and Related Anthropods [PDF]

open access: yes, 1989
PDF pages ...
Albrecht, Carl W.   +16 more
core  

Differential Shoot Feeding by Adult \u3ci\u3eTomicus Piniperda\u3c/i\u3e (Coleoptera: Scolytidae) in Mixed Stands of Native and Introduced Pines in Indiana. [PDF]

open access: yes, 2017
The larger pine shoot beetle Tomicus piniperda, a native bark beetle of Europe and Asia, was found in North American Christmas tree plantations in 1992 in Ohio. Subsequent surveys found it in six U.S. states and in one Canadian province.
Kellam, Charles D   +2 more
core   +2 more sources

Evaluation of drone system for thinning operations–a case study in Sweden

open access: yesInternational Transactions in Operational Research, EarlyView.
Abstract Thinning operations in forestry typically involve a two‐machine system (TMS) with a harvester and a forwarder. Its productivity in different forest conditions is well documented. To date, drones have been used for data collection and surveillance but not as an alternative to a TMS.
Mikael Rönnqvist   +3 more
wiley   +1 more source

Flight activity of the ambrosia beetles Trypodendron laaeve and Trypodendron lineatum in relation to temperature in southern Sweden [PDF]

open access: yes, 2011
The aim of this study was to investigate the flight activity and abundance of the ambrosia beetle, Trypodendron lineatum Olivier 1795 (Col., Scolytinae) in southern Sweden after storm-fellings in Jan 2005 (Gudrun) and Jan 2007 (Per), that blew down 75 ...
Lindelöw, Åke   +2 more
core  

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