Search Results - "Ponsonby, D J"

Occurrence and host preferences of Anopheles maculipennis group mosquitoes in England and Wales by DANABALAN, R, MONAGHAN, M. T, PONSONBY, D. J, LINTON, Y.‐M

“…Mosquitoes of the Anopheles maculipennis Meigen (Diptera: Culicidae) group are of public health concern: five of the 11 morphologically indistinct species have…”
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Aspects of prey relations in the coccidophagous ladybird Chilocorus nigritus relevant to its use as a biological control agent of scale insects in temperate glasshouses by Ponsonby, D. J, Copland, M. J. W

“…The armoured scale insects Acutaspis umbonifera (Newstead), Pinnaspis buxi (Bouché) (Homoptera: Diaspididae) and the soft scale insects Saissetia coffeae…”
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Improving the Control of Tetranychus urticae on Edible Glasshouse Crops Using a Specialist Coccinellid ( Stethorus punctillum Weise) and a Generalist Mite ( Amblyseius californicus McGregor) as Biocontrol Agents by Rott, A. S., Ponsonby, D. J.

“…Current glasshouse biological control practice relies on regular prophylactic introductions of one or two 'best' species of natural enemy. Whilst this is…”
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The effects of temperature, relative humidity and host plant on the behaviour of Stethorus punctillum as a predator of the two-spotted spider mite, Tetranychus urticae by Rott, A S, Ponsonby, D J

“…The predatory behaviour of Stethorus punctillum larvae was studied on the two-spotted spider mite (Tetranychus urticae), in order to assess how it responded to…”
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Maximum feeding potential of larvae and adults of the scale insect predator, Chilocorus nigritus with a new method of estimating food intake by Ponsonby, D J, Copland, MJW

“…A method of estimating the weight of individual Abgrallaspis cyanophylli (Signoret) without the need for removal from the host plant is described. Using this…”
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Environmental influences on fecundity, egg viability and egg cannibalism in the scale insect predator, Chilocorus nigritus by Ponsonby, D.J, Copland, M.J.W

“…The effects of temperature on age-specific fecundity, egg viability and egg cannibalism were examined in the coccidophagous coccinellid, Chilocorus nigritus…”
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Olfactory Responses by the Scale Insect Predator Chilocorus nigritus (F.) (Coleoptera: Coccinellidae) by PONSONBY, D. J., COPLAND, M. J. W.

“…Orientation to host plant and host insect volatiles in the coccidophagous coccinellid, Chilocorus nigritus (F.) was examined using a four-arm olfactometer…”
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Effect of Temperature on Development and Immature Survival in the Scale Insect Predator, Chilocorus nigritus (F.) (Coleoptera: Coccinellidae) by PONSONBY, D. J., COPLAND, M. J. W.

“…Developmental and immature survival rates of the coccidophagous coccinellid Chilocorus nigritus (F.) were examined under constant, cycling and glasshouse…”
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Environmental Effects on the Development and Survival of the Scale Insect Abgrallaspis cyanophylli (Signoret) (Homoptera: Diaspididae) with Reference to its Suitability for Use as a Host for Rearing Biological Control Agents by Ponsonby, D. J., Copland, M. J. W.

“…Developmental and survival rates of the locally important diaspidid pest, Abgrallaspis cyanophylli (Signoret) reared on Solanum tuberosum L . tubers were…”
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Influence of host density and population structure on egg production in the coccidophagous ladybird, Chilocorus nigritus F. (Coleoptera: Coccinellidae) by Ponsonby, D.J, Copland, M.J.W

“…1 Studies on aphidophagous coccinellids have indicated that patch quality, and, in particular, the age structure of the prey or the phenological age of the…”
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Tritrophic effects on survival and development in a Coccidophagous coccinellid by Boothe, R A, Ponsonby, D J, Preziosi, R F, Copland, M J W

“…Chilocorus nigritus is currently considered one of the most successful biological control agents of armoured scale insects. However, establishment of this…”
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Searching behaviour in Chilocorus nigritus (F.) (Coleoptera: Coccinellidae) by Boothe, R A, Ponsonby, D J

“…Chilocorus spp are generalist predators of armoured scale insects. C. nigritus is a common predator; however there are several gaps in the literature regarding…”
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Occurrence and host preferences of Anopheles maculipennis group mosquitoes in E ngland and W ales by DANABALAN, R., MONAGHAN, M. T., PONSONBY, D. J., LINTON, Y.‐M.

“…Abstract Mosquitoes of the Anopheles maculipennis M eigen ( D iptera: C ulicidae) group are of public health concern: five of the 11 morphologically indistinct…”
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Improving the control of Tetranychus urticae on edible glasshouse crops using a specialist coccinellid (Stethorus punctillum Weise) and a generalist mite (Amblyseius californicus by Rott, A S, Ponsonby, D J

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The effects of temperature, relative humidity and hostplant on the behaviour of Stethorus punctillum as apredator of the two-spotted spider mite, Tetranychusurticae by Rott, A. S, Ponsonby, D. J

“…The predatory behaviour of Stethoruspunctillum larvae was studied on the two-spottedspider mite (Tetranychus urticae), in order toassess how it responded to…”
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