propleuronn.
/prəʊˈplʊərɒn/, /prəʊˈplɔːrɒn/, U.S. /proʊˈplʊˌrɑn/ Entomology.
Either of the pleura of the prothorax of an insect. Cf. mesopleuron n., metapleuron n.Not distinguishable from propleurum when used in the plural only.
ΚΠ
1841 E. Newman Familiar Introd. Hist. Insects 146 The prothorax has a pronotum, prosternum, and two propleura.
1872 F. V. Hayden Prelim. Rep. U.S. Geol. Surv. Montana 400 Propleura roughly punctured, having only a very few tubercles.
1912 Ann. Entomol. Soc. Amer. 5 314 The anterior face of the propleuron is also dark tending towards black.
1944 R. Matheson Entomol. for Introd. Courses xv. 326 The members of this suborder may be recognized by the separation of the pronotum from the propleura by a distinct suture.
1997 Internat. Jrnl. Insect Morphol. & Embryol. 26 35 The propleuron of adults of Stictocephala bisonia..is investigated using scanning electron microscopy of the external and internal skeletal surface.
Derivatives
proˈpleural adj.
ΚΠ
1885 Trans. Amer. Entomol. Soc. 12 170 The presence of a propleural carina in certain genera of Coprini seems not to have been considered..of very great importance in classification.
1958 Amer. Midland Naturalist 59 496 The probability that the single propleural plate is the proepisternum.
1984 Jrnl. N.Y. Entomol. Soc. 92 150 In Siricidae, the entire propleural suture has become almost marginal.
This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).
<
n.1841