National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Growth and individual variability of the water scorpion Nepa cinerea (Heteroptera: Nepomorpha: Nepidae)
VILIMOVSKÁ, Lenka
It this study morphometric characteristics and the growth of univoltine predatory water scorpion - Nepa cinerea were studied on the basis of data measured on freshly killed individuals, the same ethanol - fixed individuals and dried individuals. The growth of this species has an exponential character. By comparing the morphometric characteristics of freshly killed and fixed individuals was found that the ethanol fixation influenced mainly weight of all developmental stages and total abdominal ventral length of adults. The same was found for the comparison of morphometric characteristics of freshly killed individuals and dried individuals. Other studied dimensions were not significantly deformed even by fixation or drying. Reducing of individula demensions by the influence of fixation and drying was uneven at different developmental stages. Reliable dimension for differentiating of individual developmental stages fixed material and the collected dried material is especially the media length of the body. Dimensions of fixed individuals and dried individuals is not significantly different from dimensions of freshly killed individuals. This project was supported by grant GA CR P505/10/0096.

See also: similar author names
3 Vilimovská, Lucia
3 Vilímovská, Lenka
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