Results 121 to 130 of about 20,527 (255)

Mikrosporidien des Eichenprozessionsspinners, Thaumetopoea processionea (L.) (Lep., Thaumetopoeidae) in den Eichenwäldern Ostösterreichs [PDF]

open access: yes, 2008
Since the late 1990s, the oak processionary moth, Thaumetopoea processionea (L.), has been occurring at high population densities in eastern Austria. Particularly, infestations in areas of human settlement have created increasing interest in this insect ...
Hoch, Gernot   +2 more
core  

Interpretation and mapping of gypsy moth defoilation from ERTS (LANDSAT)-1 temporal composites [PDF]

open access: yes
The author has identified the following significant results. Photointerpretation of temporally composited color Diazo transparencies of ERTS(LANDSAT) images is a practical method for detecting and locating levels of widespread defoliation.
Kowalik, W. S.   +2 more
core   +1 more source

Juvenilhormon-Esterase, ein Schlüsselenzym in Wirt-Parasitoid-Interaktionen [PDF]

open access: yes, 2008
Hymenopteran endoparasitoids that develop inside their lepidopteran host may exert a multitude of interactions with their host until they are able to emerge successfully from a developmentally arrested host that finally dies.
Nussbaumer, Christa   +2 more
core  

Optimal Detection Strategies for an Established Invasive Forest Pest [PDF]

open access: yes
When it comes to invasive species management, economists have focused on the trade-off between prevention of potential invasions and management of established populations.
Homans, Frances R., Horie, Tetsuya
core   +1 more source

Reversed impacts by specialist parasitoids and generalist predators may explain a phase lag in moth cycles : a novel hypothesis and preliminary field tests [PDF]

open access: yes, 2013
Among cyclic populations of herbivores, inter-specific temporal synchrony has been attributed to both climatic factors and trophic interactions. In northern Europe, winter and autumnal moths undergo regular 9–11 year population cycles.
Ammunét, Tea   +4 more
core  

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