Summary
The ultrastructure of the sensory receptors located on the labium of the rice brown planthopper is described; possible functions of individual receptors are suggested on morphological grounds. Uniporous chemosensilla which may or may not possess a mechanoreceptive dendrite, domed multiporous chemosensilla, and mechanoreceptive pegs are present on the flattened labial tip. Mechanoreceptive pegs are distributed over the labium. The fine structure of a multilobed sensillum located on either side of the labium is also described.
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The authors thank Dr. R.F. Chapman for his critical reading of the manuscript and Mrs. D. Manning and Mrs. S. Foster for typing it. The rice brown planthopper was reared under the Ministry of Agriculture, Fisheries and Food licence number PHR 148/22 issued under the Plant Pests (Great Britain) Order 1980. S. Foster gratefully acknowledges the financial support provided by a Science Research Council research studentship.
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Foster, S., Goodman, L.J. & Duckett, J.G. Ultrastructure of sensory receptors on the labium of the rice brown planthopper. Cell Tissue Res. 230, 353–366 (1983). https://doi.org/10.1007/BF00213809
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DOI: https://doi.org/10.1007/BF00213809