metasternum


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metasternum

 [met″ah-ster´num]
the xiphoid process.

xi·phoid pro·cess

[TA]
the cartilage at the lower end of the sternum.

metasternum

(mĕt″ă-stĕr′nŭm)
The xiphoid process of the sternum.

metasternum

the xiphoid process.
References in periodicals archive ?
Metasternum with large prominent gibba in middle; elytral surface with small tubercles or large setae 4 3'.
Metasternum between middle coxae coarsely, distinctly punctuate near coxal margins, punctures separated by approximately one to two diameters .
Micropterous, hemelytral membrane reaching posterior margin of abdominal segment VI; labium reaching middle third of metasternum (Venezuela) V.
Metasternal wing: leaf-like portion of the metasternum expanding between the metaepisternum and the metacoxa.
The following characters unite all those genera and Schuhirandella: scutellum not swollen, punctures on pronotum and scutellum absent, forecoxae not touching each other, posterior part of metepimeron not angulate, metasternum without outgrowth posteriorly, membrane cell longer than pronotum length, and distance from cell to apex of membrane distinctly shorter than cell length.
palmyra, although these two species share a distinctive morphology of the posterior male metasternum, which is strongly depressed and bisulcate, indicating a sister species relationship.
A) Prothorax, B) Pterothorax, mesonotum and metanotum with many closely spaced striations, C) Mesosternum and metasternum with many discal setae, and D) Wing, pale translucent with transverse veins evident and well developed between the longitudinal veins.
VENTRAL SURFACE: Ventral midline of prosternum lacking a carina; anterior half of mesosternum broadly domed, lacking tumescences, posterior half of mesosternum broadly depressed, hind margin deeply posteriorly concave, posterolateral angles slender, acute; metasternum triangular, strongly raised along longitudinal midline, anterior margin angulate, lateral margins strongly anteriorly convergent, posterior margin transversely truncate; space between middle and hind coxae distinctly less than diameter of coxae.
Metasternum with medial longitudinal suture, sparsely punctuated, densely covered with whitish-yellowish, long, slender setae.