Effect of cultivars with varying levels of resistance to aphids on development time, sex ratio, size and longevity of the parasitoid Aphidius colemani

Kalule, T; Wright, Denis J.

doi:10.1007/s10526-004-3072-6

Cited by 27 publications

(19 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It appears to be a specialist parasitoid of Hyalopterus species in its native range ), but can develop successfully on more polyphagous aphid hosts in captivity (Wang and Messing 2006). In contrast, A. colemani has been widely introduced around the world (Stary 1995;Takada 1998;Stary 2002) has a broad host range, and much is known of its reproductive and developmental biology, host preferences, and ecology (Jarosik and Lapchin 2001;Stary 2002;Jarosik et al 2003;Jones et al 2003;Lin and Ives 2003;Kalule and Wright 2004;Kavallieratos et al 2004;Perdikis et al 2004;Kalule and Wright 2005;Ode et al 2005;Sampaio et al 2005;Soglia et al 2006;Zamani et al 2006;Zamani et al 2007). Determination of predator preference for different types of prey has received much attention (Singer 2000;Underwood et al 2004;Manly 2006;Taplin 2007).…”

Section: Discussionmentioning

confidence: 99%

Host instar preference and functional response of Aphidius transcaspicus, a parasitoid of mealy aphids (Hyalopterus species)

Latham

Mills

2012

BioControl

View full text Add to dashboard Cite

Aphidius transcaspicus Telenga (Hymenoptera: Braconidae: Aphidiinae) has been selected for use as a biological control agent against Hyalopterus pruni Geoffroy (Hemiptera: Aphididae) in prune orchards in California. In this study we focus on the host instar preference and functional response of A. transcaspicus. Host instar preference was determined using laboratory arenas by allowing female parasitoids to attack aphids on field-collected leaves of Prunus domestica L. supporting a natural range of H. pruni instars. A relative preference index indicated that A. transcaspicus was 1.4 times more likely to attack intermediate instars (2-4) than 1st or adult instars. The functional response of A. transcaspicus to H. pruni density was determined on enclosed P. domestica shoots in a prune orchard. The functional response to host density was linear (Type I) at the lowest aphid densities, and the asymptotic number of aphids attacked at higher aphid densities was 64.3 ± 6.7 aphids day -1 .

show abstract

Section: Discussionmentioning

confidence: 99%

Host instar preference and functional response of Aphidius transcaspicus, a parasitoid of mealy aphids (Hyalopterus species)

Latham

Mills

2012

BioControl

View full text Add to dashboard Cite

show abstract

“…Among these factors, aphid clonal resistance, the presence of superparasitized nymphs, host (aphid) quality or host plant nutritional quality have been previously described as factors that can negatively affect parasitoid larvae development (Li et al 2002;Ode 2006;Kalule and Wright 2005). Clonal resistance and Three replicates were done per treatment and protocol.…”

Section: Discussionmentioning

confidence: 99%

The performance of an aphid parasitoid is negatively affected by the presence of a circulative plant virus

Gonzalo-Calvo

Fereres

2011

BioControl

View full text Add to dashboard Cite

Plant viruses and aphids can interact via contest competition for plant resources and induce changes in plant physiology, which can have effects on a third trophic level. The aim of this study was to determine how the interactions between a circulative plant virus and its aphid vector may affect the performance of an endoparasitoid and how parasitism may affect the efficiency of virus transmission by its aphid vector. The timing when parasitized aphids were transferred to virus-infected lettuce leaves was critical for the performance of A. ervi. Higher parasitoid larvae mortality, longer developmental times and lower percentages of mummification were detected on viruliferous/parasitized aphid nymphs when the time lag between parasitism and exposure to the virus was less than 24 h. No significant differences were detected in virus transmission rate between parasitized and non-parasitized M. euphorbiae aphids.

show abstract

“…Under such conditions, M. persicae generation time is, on average, 13.8 days (Satar et al, 2008). Aphidius colemani take, on average, 12-13 days to develop into adults, which can live between 5 and 7.4 days (Kalule & Wright, 2005).…”

Section: Determining Parasitoid Life-history Traitsmentioning

confidence: 99%

Optimal foraging by an aphid parasitoid affects the outcome of apparent competition

Prado

Frank

2014

Ecological Entomology

View full text Add to dashboard Cite

1. Apparent competition is an indirect, negative interaction occurring between two or more host species, mediated by a shared parasitoid. Host species' population growth rates, parasitoid attack rates, and parasitoid population size can mediate the outcomes of apparent competition. It has also been suggested that optimal foraging by a natural enemy can influence the outcome of apparent competition, resulting in increased suppression of the optimal host.2. While this has been shown in theory, to date no studies have empirically tested the link between parasitoid optimal foraging behaviour and the outcome of apparent competition.3. The present study examined how optimal foraging behaviour influences the outcome of apparent competition in an aphid banker plant system. First, Aphidius colemani Viereck's preference for Myzus persicae Sulzer or Rhopalosiphum padi L., the non-pest host on the banker plant, was examined, and then the difference in M. persicae suppression in the presence and absence of R. padi was assessed.4. It was found that optimal foraging behaviour led female A. colemani to prefer M. persicae over R. padi , due to increased offspring survival and female size. Consequently, optimally foraging A. colemani parasitised significantly more M. persicae in the presence of both aphid hosts than in the presence of M. persicae alone.5. Understanding the interaction between optimal foraging and apparent competition has important implications for biological control of arthropod pests and could help to predict the outcome of biological control programmes.

show abstract

Effect of cultivars with varying levels of resistance to aphids on development time, sex ratio, size and longevity of the parasitoid Aphidius colemani

Cited by 27 publications

References 27 publications

Host instar preference and functional response of Aphidius transcaspicus, a parasitoid of mealy aphids (Hyalopterus species)

Host instar preference and functional response of Aphidius transcaspicus, a parasitoid of mealy aphids (Hyalopterus species)

The performance of an aphid parasitoid is negatively affected by the presence of a circulative plant virus

Optimal foraging by an aphid parasitoid affects the outcome of apparent competition

Contact Info

Product

Resources

About