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Feeding history affects intraguild interactions between Harmonia axyridis (Coleoptera: Coccinellidae) and Episyrphus balteatus (Diptera: Syrphidae)

(2015) PLOS ONE. 10(6).
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Abstract
While the effect of several factors such as predator and prey size, morphology and developmental stage on intraguild predation (IGP) is widely investigated, little is known about the influence of diet on the occurrence and outcome of IGP. In the present study, the effect of the diet experienced during larval development on IGP between the ladybird Harmonia axyridis and the syrphid Episyrphus balteatus is investigated. Four diets were tested for H. axyridis: eggs of the Mediterranean flour moth Ephestia kuehniella, pea aphids, Acyrthosiphon pisum, in an ad libitum amount, pea aphids in a limited amount, and honey bee pollen. For E. balteatus only the two aphid diets were tested. First, experiments were performed to determine the quality of the various diets for development of both predators. Second, IGP experiments between H. axyridis and E. balteatus were performed both in Petri dishes and on potted pepper plants. The diet of both species influenced the incidence of IGP between H. axyridis and E. balteatus both in Petri dishes and on potted plants. In general, smaller larvae of H. axyridis (those fed on poor or restricted diet) fed more on hoverflies than large (wellnourished) ladybird larvae. Further, poorly nourished (smaller) larvae of E. balteatus were more susceptible to predation than well-fed (larger) hoverfly larvae. The observed effects were not only due to the lower fitness of larvae of both predators reared on an inferior quality diet but also to changes in predator behaviour. The results from this study show that IGP interactions are influenced by a multitude of factors, including feeding history of the organisms involved, and emphasize the importance of taking these factors into account in order to fully understand the ecological relevance of IGP.
Keywords
BIOLOGY, AMERICA, SPREAD, FIELDS, EUROPE, INVASION, LIMITATION, LADYBIRD BEETLE, PALLAS COLEOPTERA, APHIDOPHAGOUS PREDATORS

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Citation

Please use this url to cite or link to this publication:

MLA
Ingels, Brecht et al. “Feeding History Affects Intraguild Interactions Between Harmonia Axyridis (Coleoptera: Coccinellidae) and Episyrphus Balteatus (Diptera: Syrphidae).” PLOS ONE 10.6 (2015): n. pag. Print.
APA
Ingels, B., Van Hassel, P., Van Leeuwen, T., & De Clercq, P. (2015). Feeding history affects intraguild interactions between Harmonia axyridis (Coleoptera: Coccinellidae) and Episyrphus balteatus (Diptera: Syrphidae). PLOS ONE, 10(6).
Chicago author-date
Ingels, Brecht, Pieter Van Hassel, Thomas Van Leeuwen, and Patrick De Clercq. 2015. “Feeding History Affects Intraguild Interactions Between Harmonia Axyridis (Coleoptera: Coccinellidae) and Episyrphus Balteatus (Diptera: Syrphidae).” Plos One 10 (6).
Chicago author-date (all authors)
Ingels, Brecht, Pieter Van Hassel, Thomas Van Leeuwen, and Patrick De Clercq. 2015. “Feeding History Affects Intraguild Interactions Between Harmonia Axyridis (Coleoptera: Coccinellidae) and Episyrphus Balteatus (Diptera: Syrphidae).” Plos One 10 (6).
Vancouver
1.
Ingels B, Van Hassel P, Van Leeuwen T, De Clercq P. Feeding history affects intraguild interactions between Harmonia axyridis (Coleoptera: Coccinellidae) and Episyrphus balteatus (Diptera: Syrphidae). PLOS ONE. 2015;10(6).
IEEE
[1]
B. Ingels, P. Van Hassel, T. Van Leeuwen, and P. De Clercq, “Feeding history affects intraguild interactions between Harmonia axyridis (Coleoptera: Coccinellidae) and Episyrphus balteatus (Diptera: Syrphidae),” PLOS ONE, vol. 10, no. 6, 2015.
@article{6938730,
  abstract     = {While the effect of several factors such as predator and prey size, morphology and developmental stage on intraguild predation (IGP) is widely investigated, little is known about the influence of diet on the occurrence and outcome of IGP. In the present study, the effect of the diet experienced during larval development on IGP between the ladybird Harmonia axyridis and the syrphid Episyrphus balteatus is investigated. Four diets were tested for H. axyridis: eggs of the Mediterranean flour moth Ephestia kuehniella, pea aphids, Acyrthosiphon pisum, in an ad libitum amount, pea aphids in a limited amount, and honey bee pollen. For E. balteatus only the two aphid diets were tested. First, experiments were performed to determine the quality of the various diets for development of both predators. Second, IGP experiments between H. axyridis and E. balteatus were performed both in Petri dishes and on potted pepper plants. The diet of both species influenced the incidence of IGP between H. axyridis and E. balteatus both in Petri dishes and on potted plants. In general, smaller larvae of H. axyridis (those fed on poor or restricted diet) fed more on hoverflies than large (wellnourished) ladybird larvae. Further, poorly nourished (smaller) larvae of E. balteatus were more susceptible to predation than well-fed (larger) hoverfly larvae. The observed effects were not only due to the lower fitness of larvae of both predators reared on an inferior quality diet but also to changes in predator behaviour. The results from this study show that IGP interactions are influenced by a multitude of factors, including feeding history of the organisms involved, and emphasize the importance of taking these factors into account in order to fully understand the ecological relevance of IGP.},
  articleno    = {e0128518},
  author       = {Ingels, Brecht and Van Hassel, Pieter and Van Leeuwen, Thomas and De Clercq, Patrick},
  issn         = {1932-6203},
  journal      = {PLOS ONE},
  keywords     = {BIOLOGY,AMERICA,SPREAD,FIELDS,EUROPE,INVASION,LIMITATION,LADYBIRD BEETLE,PALLAS COLEOPTERA,APHIDOPHAGOUS PREDATORS},
  language     = {eng},
  number       = {6},
  pages        = {16},
  title        = {Feeding history affects intraguild interactions between Harmonia axyridis (Coleoptera: Coccinellidae) and Episyrphus balteatus (Diptera: Syrphidae)},
  url          = {http://dx.doi.org/10.1371/journal.pone.0128518},
  volume       = {10},
  year         = {2015},
}

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