Search Results - "Grégoire, J.‐C."

Rapid increase in dispersal during range expansion in the invasive ladybird Harmonia axyridis by Lombaert, E, Estoup, A, Facon, B, Joubard, B, Grégoire, J.‐C, Jannin, A, Blin, A, Guillemaud, T

“…The evolutionary trajectories associated with demographic, genetic and spatial disequilibrium have become an issue of growing interest in population biology…”
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Glycaemic status influences the nature and severity of coronary artery disease by Berry, C, Noble, S, Grégoire, J. C, Ibrahim, R, Levesque, S, Lavoie, M.-A, L'Allier, P. L, Tardif, J.-C

“…Aims/hypothesis We sought to understand the relationships between glycaemic status and both severity and progression of coronary artery disease (CAD), the…”
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Visual, semi-quantitative assessments allow accurate estimates of leafminer population densities: an example comparing image processing and visual evaluation of damage by the horse chestnut leafminer Cameraria ohridella (Lep., Gracillariidae) by Gilbert, M, Gregoire, J.C

“…: Qualitative or semi‐quantitative visual assessments are most often used for estimating population size of herbivorous insects. The precision of these…”
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New occurrence of Ips duplicatus Sahlberg in Herstal (Liege, Belgium) by Piel, F., Grégoire, J.-C., Knížek, M.

“…The double‐spined spruce engraver Ips duplicatus is not present in Belgium and France. In summer 2003, several adult Ips duplicatus beetles were caught near…”
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Long-Distance Dispersal and Human Population Density Allow the Prediction of Invasive Patterns in the Horse Chestnut Leafminer Cameraria ohridella by Gilbert, M., J.-C. Grégoire, Freise, J. F., Heitland, W.

“…1. After its initial discovery in Macedonia in 1985, during the last 19 years the leafminer moth Cameraria ohridella has invaded most of Central and Western…”
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Spruce stands provide natural food sources to adult hymenopteran parasitoids of bark beetles by Hougardy, E., Grégoire, J.-C.

“…Adults of synovigenic hymenopteran parasitoids of bark beetles need supplemental feeding to maximise their lifetime realised fecundity, and yet little is known…”
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Native and exotic coniferous species in Europe - possible host plants for the potentially invasive Siberian moth, Dendrolimus sibiricus Tschtv. (Lepidoptera, Lasiocampidae) by Kirichenko, N. I., Flament, J., Baranchikov, Y. N., Grégoire, J.-C.

“…The performance of young larvae of the potentially invasive Siberian moth Dendrolimus sibiricus Tschtv. has been studied for the first time on the native and…”
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Forecasting Cameraria ohridella invasion dynamics in recently invaded countries: from validation to prediction by Gilbert, M, Guichard, S, Freise, J, Gregoire, J.C, Heitland, W, Straw, N, Tilbury, C, Augustin, S

“…1. Biological invasions have an anthropogenic origin, and although many species are able to spread on their own within the newly invaded area, long-distance…”
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Flying the nest: male dispersal and multiple paternity enables extrafamilial matings for the invasive bark beetle Dendroctonus micans by Fraser, C I, Brahy, O, Mardulyn, P, Dohet, L, Mayer, F, Grégoire, J-C

“…There is an evolutionary trade-off between the resources that a species invests in dispersal versus those invested in reproduction. For many insects,…”
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The EFSA quantitative approach to pest risk assessment – methodological aspects and case studies by Gilioli, G., Schrader, G., Grégoire, J.‐C., MacLeod, A., Mosbach‐Schulz, O., Rafoss, T., Rossi, V., Urek, G., Werf, W.

“…A new method for pest risk assessment and the identification and evaluation of risk‐reducing options is currently under development by the European Food Safety…”
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Post-storm surveys reveal large-scale spatial patterns and influences of site factors, forest structure and diversity in endemic bark-beetle populations by GILBEN, M, NAGELEISEN, L.-M, FRANKLIN, A, GREGOIRE, J.-C

“…The storm that struck France on december 26^sup th^ and 28^sup th^ 1999 felled 140 million m^sup 3^ of timber and had a high economic, social and landscape…”
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Low-Complexity Call-Management Scheme for Cellular Networks by Issa, O., Gregoire, J.-C.

“…In wireless mobile environments, where resources are scarce, the basis for quality-of-service (QoS) provisioning is the admission control (AC) of new and…”
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Biological differences reflect host preference in two parasitoids attacking the bark beetle Ips typographus (Coleoptera: Scolytidae) in Belgium by Hougardy, E, Grégoire, J-C

“…The basic reproductive biology of two ectoparasitoids developing on the late larval instars of the scolytid Ips typographus Linnaeus, a pest of spruce forests…”
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Overview of development of an anti-attractant based technology for spruce protection against Ips typographus: From past failures to future success by Jakuš, R, Schlyter, F, Zhang Q-H, Blaženec, M, Vaverčák, R, Grodzki, W, Brutovský, D, Lajzová, E, Turčáni, M, Bengtsson, M, Blum, Z, J-C, Gregoiré

“…We describe a series of experiments on the protection of Norway spruce (Picea abies (L.) Karst.) logs and standing trees against Ips typographus L…”
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Spruce stands provide natural food sources to adult hymenopteran parasitoids of bark beetles by Hougardy, E, Gregoire, J-C

“…Adults of synovigenic hymenopteran parasitoids of bark beetles need supplemental feeding to maximise their lifetime realised fecundity, and yet little is known…”
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Native and exotic coniferous species in Europe - possible host plants for the potentially invasive Siberian moth, Dendrolimus sibiricus ¹ Tschtv. (Lepidoptera, Lasiocampidae) by Kirichenko, N.I, Flament, J, Baranchikov, Y.N, Grégoire, J.-C

“…The performance of young larvae of the potentially invasive Siberian moth Dendrolimus sibiricus Tschtv. has been studied for the first time on the native and…”
Get full text

Marking bark beetle parasitoids within the host plant with rubidium for dispersal studies by Hougardy, E., Pernet, P., Warnau, M., Delisle, J., Grégoire, J.-C.

“…A technique using rubidium chloride (RbCl), a trace element, as internal label is proposed for marking hymenopteran parasitoids attacking a concealed host, Ips…”
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An estimator of regulator parameters in a stochastic setting by Valaee, S., Gregoire, J.-C.

“…This paper develops a new network provisioning and resource allocation scheme. We introduce the concept of the effective burstiness curve (EBC), which is…”
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IMS Application Servers: Roles, Requirements, and Implementation Technologies by Khlifi, H., Gregoire, J.-C.

“…The IP multimedia subsystem (IMS) defines a generic architecture to support communication services over a Session Initiation Protocol (SIP) infrastructure. In…”
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The Chemical Ecology of Defense in Arthropods by Pasteels, J M, Grégoire, J C, Rowell-Rahier, M

“…Trophic webs are influenced strongly by chemical signals (semiochemicals or ecomones, sensu Pasteels), among which defensive substances play a prominent role…”
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