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| | ONLINE | ISSN | : | 1347-605X | | PRINT | ISSN | : | 0003-6862 |
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| | Applied Entomology and Zoology |
| Vol. 42 (2007) , No. 2 217-221 |
| [PDF (101K)] [References]  |
 | Gall surface area is a simple and accurate measure of fitness in Nipponaphidini galling aphids (Homoptera: Aphididae)
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| | | 1) Laboratory of Insect Ecology, Graduate School of Agriculture, Kyoto University |
| (Received August 11, 2006)
(Accepted November 24, 2006)
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| Abstract
We examined the usefulness of five properties of gall size as alternative measures of true gall fitness, defined as the number of alates that emerged from a gall, in four species of Nipponaphidine galling aphids (Neothoracaphis yanonis, Metathoracaphis isensis, Monzenia globuli, and Dinipponaphis autumna). Among five properties (short diameter, long diameter, height, ellipsoidal volume, and ellipsoidal surface area), we determined that surface area was the most accurate and practical measure of gall fitness. This measure is particularly useful for obtaining a sufficient number of gall samples from reared species and species that experience high levels of predation. We also discuss other measures of gall fitness and various problems associated with them. |
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| To cite this article: | | Yasuhiko Tosaka and Takayoshi Nishida: “Gall surface area is a simple and accurate measure of fitness in Nipponaphidini galling aphids (Homoptera: Aphididae)” Applied Entomology and Zoology Vol. 42, pp.217-221 (2007) . | |
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| doi:10.1303/aez.2007.217 | | JOI JST.JSTAGE/aez/2007.217 |
| Copyright (c) 2007 by the Japanese Society of Applied Entomology and Zoology |
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