tergite


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tergite

[′tər‚jīt]
(invertebrate zoology)
The dorsal plate covering a somite in arthropods and certain other articulate animals.
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Second instar larva of Leucothrips species: (1) morphotype-A abdominal tergite II spiracle at 1000 x magnification; (2) morphotype-A prothorax; arrow indicates setae D6; (3) morphotype-B abdominal tergite II spiracle at 1000x magnification; (4) morphotype-B prothorax; arrow indicates setae D6; scale = 50 [micro]m.
Tergites medially with a black spot on the hind margin which together form a longitudinal row.
Abdomen: Male broad bands,black bars straight fronton edge of tergites 3and 4; 25% of lateral margins yellow; sternites reduced
Etymology: The prefix is derived from Latin cylindrus (cylindric); in reference to the characteristic metasoma with one large cylinder of a tergite behind petiole.
2008) has the flagellomeres 12-20 white, posterior transverse carina less sinuous, tergite I with tooth present but rather truncated, pointing to the side.
For extracellular recording from the stretch receptors in the 7th thoracic segment, all the anterior tergites up to the 6th thoracic segment were fixed ventral side up on a silver plate with instantaneous adhesive, while the free movable tergite of the 6th abdominal segment was pierced with a hook-shaped needle connected to the vertically moving central pin of a vibrator device (Fig.
The species is characterized by absence of seta sd4 and additional seta d6 on head, absence of seta P1a on abdominal tergites I-VI, presence of seta Pc on sternite VII, short sensillum a reaching to the base of sensillum t2, long foretarsal sensilla b and f, sensillum c shorter than b, short and slender sensilla a', b' and c', and presence of psl pores on tergite VI only.
Last abdominal tergite of male with narrow marginal sclerotisation and roughly serrated or smooth posterior margin.
Rostrum shape and antennae length have similarity with available literature and most important variable characters are siphunculi color, polygonal reticulation on 8th abdominal tergite and rostrum length.
T1 mostly smooth, towards sides sparsely setose, with a weak, transverse depression having a few short crenulae just anterior of midlength of tergite.
0 times longer than F2, lateral propodeal carinae toward distal part of propodeum gradually curved outwards, the central propodeal and lateral propodeal areas dull rugose; all tergites uniformly reticulate, 2nd metasomal tergite with sparse lateral hairs, induce rounded detachbale soft unilocular twig galls.