oa Journal of the Entomological Society of Southern Africa - The structure and function of Slifer's patches in the integument of Locusta migratoria migratorioides (R. & F.) (Orthoptera: Acrididae) - a re-examination
A technique for measuring water loss across small areas of insect cuticle has shown that transpiration through Slifer's patches is significantly greater than that through the general integument in Locusta migratoria. Electron microscopic studies of the patches confirmed the absence of true endocuticle and revealed the presence of wide pore canals. Some features of the underlying cells suggest a fluid transporting function.
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