| 释义 |
‖ pronotum Entom.|prəʊˈnəʊtəm|
[mod.L. pronōtum, f. Gr. πρό, pro-2 + νῶτον, notum, back.]
The dorsal part of the prothorax of an insect; the anterior division of the notum, as distinct from the mesonotum and metanotum.
Its segments or scleres are the pro-præscutum, proscutum, proscutellum, pro-posíscutellum.
1836Shuckard tr. Burmeister's Man. Entom. 78 They [Kirby & Spence] think they have observed that some insects (Vespa, Cimbex) possess both a collar and a pro⁓notum. 1877Huxley Anat. Inv. Anim. vii. 399 The tergal portion of the prothorax (pronotum) is a wide shield, which overlaps the head. 1904Proc. U.S. Nat. Mus. XXVII. 389 The pronotum [of Ceratophyllus multispinosus] has two rows of few weak bristles. 1925A. D. Imms Gen. Textbk. Entomol. ii. 665 In many species [of flea] the pronotum carries a row of stout spines forming the pronotal comb. 1947C. A. Hubbard Fleas Western N. Amer. iv. 38 Taxonomically the only portion which has any great significance is the pronotum and the absence or presence on it of the pronotal comb or ctenidium. 1959Southwood & Leston Land & Water Bugs Brit. Isles iii. 17 Head and pronotum [of the juniper shieldbug] with concolorous puncturation except sometimes near the pronotal angles. 1972Swan & Papp Common Insects N. Amer. xii. 123 The head [of lace bugs] is often covered with a hood, the pronotum extended on the sides like another pair of wings.
Hence proˈnotal a., of or pertaining to the pronotum (Cent. Dict. 1890).
1904Proc. U.S. Nat. Mus. XXVII. 395 Ceratophyllus alaskensis... Male: Head flattened on top as usual. Pronotal ctenidium of 22 spines. 1972Swan & Papp Common Insects N. Amer. xxiii. 655 Genal and pronotal spines absent [in the human flea]. |