tergum


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tergum

[′tər·gəm]
(invertebrate zoology)
A dorsal plate of the operculum in barnacles.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
However, the fifth sternum lacks stout spines on its midapical margin and the apical margin of the seventh tergum is straight, as in the guarnensis species group.
Tergum with carinal margin protuberant in upper half to third, spurlength a tenth shorter than width, distance from basiscutal angle less than own width (Gordon, 1970, Biccard, 2012), the classification of this species as follows:
Yna ar ben y gramen, mae yna ddwy blat fechan arall, a'r ddwy hefo'i gilydd yn gwneud caead ar ben y gragen long - y tergum a'r scutum ydi'r enwau gwyddonol ar y rhain.
Apical margin of tergum 1 distinctly raised; apical margin of tertige 2 and 3 forming a conspicuously raised, thin lamella, which is separated from the segment by a deep groove.
32 (3L)...Lateral margins of sixth abdominal tergum well-defined and separated ventrally by a wide membranous area; spiracles near margin of tergum ....................................33 32'.
Discussion: Species in this genus are distinguished based on characteristics of pronotum punctation and maculation, connexiva coloration, and characters related to male genitalia and medial lobes of the 8th abdominal tergum. Poisson (1959) presented a key to the species of Macrocoris in which the first couplet divided the taxa based on connexival colour pattern; one group was concolorous or nearly so, and the other had the posterolateral corners black or densely maculated.
umgodikulula are the lack of sculpture on the tergum of fourth abdominal segment (second gastral segment), which is mostly smooth and glossy, and the horizontal propodeal spiracle.
The reverse engineering technology was adopted to obtain the surface geometrical information of the head of wild boar and tergum of Mole cricket.
A 0.5-uL droplet of pesticide-acetone solution or acetone was administered to the thoracic tergum using a micro syringe (5 uL, Hamilton Series 600/700 Standard microliter syringe, Fisher Scientific).