The Thickness of Some Insect Epicuticular Wax Layers | Zendy

Kenneth H. Lockey | Zendy

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The Thickness of Some Insect Epicuticular Wax Layers

Author(s) -

Kenneth H. Lockey

Publication year - 1960

Publication title -

journal of experimental biology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.367

H-Index - 185

eISSN - 1477-9145

pISSN - 0022-0949

DOI - 10.1242/jeb.37.2.316

Subject(s) - wax , epicuticular wax , arthropod cuticle , cuticle (hair) , membrane , wing , volume (thermodynamics) , materials science , chromatography , chemistry , composite material , botany , insect , biology , anatomy , biochemistry , physics , quantum mechanics , thermodynamics

1. The average thickness of the epicuticular wax layers on the wing membranes and elytra of a number of different insects has been measured by relating the volume of extracted wax to the area of cuticle over which it was spread. 2. The true surface area of the epicuticle was measured by krypton adsorption. 3. The ratio of absorption area to apparent projected area was found to be 1.6 for the wing membranes, and 6.7-8.2 for the elytra, with an average value of 4.1. 4. The wax layers were found to be remarkably similar in thickness on the wing membranes, ranging from 0.11 to 0.13 µ but to vary from 0.11 to 1.26 µ in the case of elytra, where the wax thickness appears to be related to extent of modification.

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