Why are there no small species among xylem-sucking insects?

@article{Novotn2004WhyAT,
  title={Why are there no small species among xylem-sucking insects?},
  author={Vojtěch Novotn{\'y} and Michael R. Wilson},
  journal={Evolutionary Ecology},
  year={2004},
  volume={11},
  pages={419-437}
}
Xylem-sucking herbivores must cope with negative tension and extremely low nutrient concentration of xylem fluid. We test the hypothesis that the energetic cost of xylem fluid extraction grows with decreasing body size, as small species have relatively high metabolic rates and small feeding apparatus. The suction pressure gradient needed for feeding (P), calculated using Poiseuille's Law, and the cibarial pump load (L), estimated as xylem fluid volume per unit volume of cibarial muscles, were… 
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References

SHOWING 1-10 OF 97 REFERENCES
Phytophages of Xylem and Phloem: a Comparison of Animal and Plant Sap-feeders
Amino acids as determinants of host preference for the xylem feeding leafhopper, Homalodisca coagulata (Homoptera: Cicadellidae)
TLDR
Homalodisca coagulata is a highly polyphagous xylem feeder with distinct seasonal patterns in it's selection of host plants and amides were the amino acids most highly correlated with host selection.
A Nutritional Explanation for Body-Size Patterns of Ruminant and Nonruminant Herbivores
TLDR
Calculations suggest that sufficient intake of a high-fiber diet cannot be maintained to provide the energy necessary to support larger body sizes, and changing body size is postulated as a mechanism for differentiating the feeding requirements of herbivores.
Exploitation of the xylem stream by parasitic organisms
TLDR
Parasitic angiosperm-host interactions are examined in relation to recent advances in understanding of root-to-shoot communication via the xylem (the influence of host-sourced signals on the parasite) and the functional significance of high rates of transpiration in parasitic angiosperms.
Metabolism of amino acids, organic acids and sugars extracted from the xylem fluid of four host plants by adult Homalodisca coagulata
TLDR
High feeding rates, ammonotelism and an extremely high metabolic efficiency of organic compounds permit H. coagulata to subsist on the dilute and skewed chemical profile of xylem fluid.
Water and ion regulation in cicadas in relation to xylem feeding
Herbivory in relation to plant nitrogen content
TLDR
The evidence that N is scarce and perhaps a limiting nutrient for many herbivores, and that in response to this selection pressure, many Herbivores have evolved specific behavioral, morphological, physiological, and other adaptations to cope with and uti­ lize the ambient N levels of their normal haunts is examined.
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