A tergum (Latin for "the back"; pl.: terga, associated adjective tergal) is the dorsal ('upper') portion of an arthropod segment other than the head. The...

yellow. It has long, slender legs, and a tubular petiole, as long as the tergum. Of about 170 species in the family Ampulicidae, Ampulex dementor is the...

Each segment of the abdomen has sclerotized upper and lower plates (the tergum and sternum), connected to adjacent sclerotized parts by membranes. Each...

sclerotisation and the hardened proteins are called sclerotin. The dorsal tergum, ventral sternum, and the lateral pleura form the hardened plates or sclerites...

composing three different segmented sclerites: the tergum, pleura, and the sternum. The tergum in almost all species is membranous, or usually soft...

darker; mesotarsus with 5 segments; a seventh tergum without tubercles in the male; and the eighth tergum of the male being emarginated in the posterior...

from the food plants and extrude the excess water through pores in the tergum at a modest cost in energy. Such a rapid loss of water can be sustained...

Paederinae, Euaesthetinae, and Osoriinae, and partially in Steninae, the tergum and sternum on the visible abdominal segments have fused, making each segment...

the male with either a narrow or broad apical orange band, tergum six in the female and tergum seven in the male largely orange ..........................

portions. The abdomen's 1st tergum is black; 2nd tergum yellow except for small basomedial triangular maculae; 3rd tergum is yellow, with indistinct dark...

wing. Indirect flight muscles are attached to the tergum and sternum. Contraction makes the tergum and base of the wing pull down. In turn this movement...

tegula. Abdomen First tergum black, second tergum dull, orange on lateral 2/3, black on medial 1/3. Third tergum similar to second tergum in the male but the...

animal to grow. The shell around each somite can be divided into a dorsal tergum, ventral sternum and a lateral pleuron. Various parts of the exoskeleton...

maculate pattern. Its 1st tergum is bluish black; 2nd tergum is black except for large yellow basolateral macula; 3rd tergum is black except for large...

a distinctive body shape, the so-called wasp waist. The first abdominal tergum (the propodeum) is conjoined with the thorax, while the second abdominal...

long, 15 mm wide, mostly dark yellow-brown color with yellow stripes. The tergum is generally black or brown, covered with dense hairs. Both rows of eyes...

opposite or apical in Ichneumonidae). In Braconidae, metasomal tergum 2 is fused with tergum 3, (secondarily flexible in Aphidiinae) – 90% of Ichneumonidae...

easily recognized by the two anal horns on the posterior margin of the sixth tergum in males. The anal horns of Dicerapanorpa magna (Chou, 1981) are used to...

medially on the 2nd and with a black triangular basomedial macula on the 3rd tergum, which is reddish. The sterna are brownish black. The male genitalia are...

distinguished from its closest relatives by minute differences in the structure of the tenth abdominal tergum. New species of microcaddisflies from Florida v t e...

in the United States and Mexico. The second metasomal segment, with its tergum much larger than its sternum is an outstanding characteristic of this genus...

ecdysis.: 16–20  The four principal regions of an insect body segment are the tergum or dorsal, sternum or ventral, and the two pleura or laterals. Hardened...

metafemur black and yellow biannulate; tergum I with an oblique row of light yellow setae at lateral margin; tergum III with red-brown fascia on anterior...

body is black with four white markings at tergum 2 and 3 and two white markings at the end of the abdomen. Tergum 1 is black with tufts of white hairs at...

considered derived and 2 and 5 primitive (Archer, unpublished). 1. First gastral tergum long, as seen from above, about half as long or longer than wide (fig. 1A)...

possessing a curved spine-like process in the posterior margin of its third tergum. Bortoluzzi, Sidnei, Edilson Caron, and Denise Silveira. "Two new species...

believed to be migratory. In 1823, Thomas Say originally described it as "tergum black with three yellow lunules on each side...inhabits Arkansa." S. affinis...

charcoal-grey insect. There is a large, cream-coloured patch at the front of the tergum (dorsal plate) of the prothorax, smaller cream markings on the sides of...

wasps with a transverse ridge at the bending summit of the first metasomal tergum and with a low and opaque propodeal lamella completely fused to the submarginal...

rib) is a lateral sclerite of thoracic segment of an insect between the tergum and the sternum. The terms pro-, meso- and metapleuron are used respectively...