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.
References in periodicals archive ?
Mesonotum, mesosternum, mesopleurae, metapleurae and metasternum light brown, with pale white and blackish brown maculations.
45), between metepisterna and metasternum; and this sclerolepidia raised among the reticulations in the reflexed wall of the metasternal groove, into which fits the ventral margin of the metepisternum (Fig.
Metasternum with large prominent gibba in middle; elytral surface with small tubercles or large setae 4 3'.
This is the first known flightless Trichiorhyssemus species in the world, thus readily recognized by characters related to microptery, like the indistinct humeral callus and the shortened metasternum. Three species of this genus were formerly quoted from the Western Hemisphere, namely T.
Metasternum between middle coxae finely, shallowly punctuate near coxal margins ...
Head: wider than long, shorter than maximum length of pronotum; labium reaching middle third of metasternum; interocellar distance shorter than 0.40; antenniferous tubercle exposed, elongate, diverging anteriorly, armed with anteriorly directed long spine, slightly convoluted, reaching basal third of antennal segment I.
Mesosternum and metasternum with sparse and inconspicuous small granules.
median carina on the pronotum, the length of first segment of middle tarsus being more than 2.5 (but less than 4) times that of the second segment; the mesosternum less than twice length of metasternum, and the short, conate parameres, whereas the sister group relationship between Gerris and Aquarius is diagnosed by the basis of the first antennal segment being shorter than half the body length; the absence of a pale median stripe on the pronotal lobe, the thickened fore femora of the female, and the incrassate fore femora of the male (Damgaard and Cognato, 2005).
pro-, meso-, metasternum, and abdominal sternites surface smooth, sparsely setose, setae long, slender; prosternal shield with posteromedial process poorly developed, not erected.