Author
Listed:
- Melinda L Moir
- Michael Renton
- Benjamin D Hoffmann
- Mei Chen Leng
- Lori Lach
Abstract
Honeydew production by Hemiptera is an ecologically important process that facilitates mutualisms and increases nutrient cycling. Accurate estimates of the amount of honeydew available in a system are essential for quantifying food web dynamics, energy flow, and the potential growth of sooty mould that inhibits plant growth. Despite the importance of honeydew, there is no standardized method to estimate its production when intensive laboratory testing is not feasible. We developed two new models to predict honeydew production, one based on insect body mass and taxonomic family, and one based on body mass and life stage. We tested the accuracy of both models’ predictions for a diverse range of honeydew-producing hemipteran families (Aphididae, Pseudococcidae, Coccidae, Psyllidae, Aleyrodidae, Delphacidae, Cicadellidae). The method based on body mass and family provided more accurate estimates of honeydew production, due to large variation in honeydew production among families. We apply our methodology to a case study, the recalculation of honeydew available to invasive red imported fire ant (Solenopsis invicta) in the United States. We find that the amount of honeydew may be an order of magnitude lower than that previously estimated (2.16 versus 21.6 grams of honeydew per day) and discuss possible reasons for the difference. We anticipate that being able to estimate honeydew production based on minimal biological information will have applications to agriculture, invasion biology, forestry, and carbon farming.
Suggested Citation
Melinda L Moir & Michael Renton & Benjamin D Hoffmann & Mei Chen Leng & Lori Lach, 2018.
"Development and testing of a standardized method to estimate honeydew production,"
PLOS ONE, Public Library of Science, vol. 13(8), pages 1-16, August.
Handle:
RePEc:plo:pone00:0201845
DOI: 10.1371/journal.pone.0201845
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