pronotum


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to pronotum: pronotal, Propleuron

pronotum

(prəʊˈnəʊtəm)
n
(Zoology) the notum of the prothorax of an insect
[C19: pro-2 + notum]
Mentioned in ?
References in periodicals archive ?
Pronotum glossy, unsculptured, crossed by strong transverse impression.
The body including antennal segments except 3rd, 4th and distal most part of fifth, labium excluding 4th segment, entire pronotum, scutellum except basal portion, corium and clavus, connexiva excluding basal and distal portion of each connexivum adjacent to their joints, venter of abdomen, legs excluding distal portion of tibiae and claws, yellowish ochraceous, thickly punctate with brown, eyes and membrane of hemelytra light brown; ocelli pale ochraceous, basal portion of scutellum and veins of membrane of hemelytra black; 3rd antennal segment with brownish tinge, 4th fully and distal most part of 5th antennal segments, basal portion of each connexivum adjacent to their joints, distal portion of tibiae and tarsi and claws are brownish black with reddish tinge.
Pronotum, length: 210; width: 406; anteromarginal setae: 14-21; anteroangular setae: 49; midlateral setae: 98-105; posteroangular setae: 140; epimeral setae: 161; metanotal media setae: 56.
The genus and the type species are redescribed; dorsal photographs of the adult, head, and pronotum, illustrations of parameres, and a key to the known species are provided.
The length of the pronotum was measured along the midline, the width at the broadest part of the pronotum.
Pronotum strongly convex, longer than wide, with two distinct lobes, lateral margins with a low carina; anterior lobe basally smooth and anteriorly punctate, armed with one short spine medially; posterior lobe unarmed, distinctly punctate, with a median carina.
Pronotum widely transverse, explanate at sides; lateral margins thinly bordered, elongately bristled; hind angles quite rounded, feebly depressed; base bisinuate, not bordered.
This new species is distinguishable from its closely related species Tettigonia viridissima (Linnaeus, 1758) by U" shaped markings at posterior sulcus of the pronotum and two thin spines on the ventral surface of the prothorax.
Antennae filiform, shorter or longer than head and pronotum together.