Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A soft, cushionlike pad on the foot of an insect, such as the housefly, by which it clings to a surface.

from The Century Dictionary.

  • noun In entomology, a little process, like a cushion, pad, or sucker, between the clavi or claws of the apical or terminal tarsal joint of an insect's leg; a foot-pad.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) One of the minute cushions on the feet of certain insects.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun zoology One of the minute cushions on the feet of certain insects.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin, short for pulvīnulus, diminutive of pulvīnus, cushion.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin, a little cushion.

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Examples

  • Palmula: = pulvillus; q.v. Palp: a mouth feeler or palpus.

    Explanation of Terms Used in Entomology John. B. Smith

  • Pad: the pulvillus, or that part of it which is capable of extension and retraction in some Coleoptera.

    Explanation of Terms Used in Entomology John. B. Smith

  • Coleoptera; the bifid pseudotarsi between the claws: used also as = pulvillus; and see arolium, onychium, palmula, paronychium, plantula, pseudonychium and pulvillus.

    Explanation of Terms Used in Entomology John. B. Smith

  • Diptera; see empodium: a more or less retractile process on the feet of some beetles: in Hymenoptera, the apical tarsal joint bearing the claws: see also arolium and pulvillus.

    Explanation of Terms Used in Entomology John. B. Smith

  • Extension plate: a structure at the base of the pulvillus whose function it is to extend it.

    Explanation of Terms Used in Entomology John. B. Smith

  • Arolium - ia: cushion-like pads on the tarsi of many insects: one of the lobes of the pulvillus; in Orthoptera, used only for the terminal pad between the claws: see empodium; pulvillus; palmula; plantula; onychium, paronychium, pseudonychium.

    Explanation of Terms Used in Entomology John. B. Smith

  • Plantula: a lobe of the divided tarsal pulvillus; one of the soles or climbing cushions of the foot: see arolium; pulviglus.

    Explanation of Terms Used in Entomology John. B. Smith

  • Extension sole: the pad-like pulvillus which may be extended by the extension plate through the pressure plate.

    Explanation of Terms Used in Entomology John. B. Smith

  • From them we learn that it requires a coxa, trochanter, femur, tibia, tarsus, ungues, pulvillus, and anterior, medial and posterior spurs to provide a leg for a moth.

    Moths of the Limberlost Gene Stratton-Porter 1893

  • There are beetles that simply put the pulvillus so flat against a smooth surface that it stays there by the pressure of the air above.

    The Insect Folk Margaret Warner Morley 1890

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  • (noun) - A small cushion or pillow. In surgery, a small olive-shaped mass of lint used for plugging deep wounds; diminutive of pulvinus, cushion. --Sydenham Society's Lexicon of Medicine and Allied Sciences, 1897

    February 7, 2018