sal suture on the head of many insect
larvae.

Tergite: the primitively dorsal part of a segment, especially when that
part consists of a single sclerite; usually applied to the abdomen.

Tergo-pleural: the upper and lateral portion of a segment.

Tergo-rhabdites: the lower pair of corneous appendages forming the
ovipositor in grasshoppers: plates on the inner dorsal surface of the
abdominal wall.

Tergum: the primitively upperor dorsal surface whether it consists of
one or more than one sclerite and specifically of the abdomen: in
Odonata and Orthoptera, applies to thorax as well.

Termen: the outer margin of a wing, between apex and hind or anal
angle.

Terminal: situated at the tip or extremity; opposed to basal.

Terminal line: in Lepidoptera, runs along the outer margin of the
wings.

Terminal space: the area between the s. t. line and terminal line in
certain Lepidoptera.

Terminology: the technical nomenclature of any science.

Termitarium: a nest, natural or artificial, or a colony of Termites.

Terrestrial: living on or in the land; opposed to aquatic.

Tessellated: checkered; more or less like a chess-board. {Scanner's
comment: More correctly, it means "tiled", covered with possibly
regularly shaped areas or pieces. They may or may not be square or
otherwise regular.}

Test: the secretionary covering of Coccidae, and especially such as are
waxy, horny or glassy.

Testaceous: dull yellow brown; tile colored [pale cadmium
yellow+burnt sienna].

Testes: the tubular structures in the male, in which the production of
spermatogonia, and often also of later stages in the development of the
sperm takes place.

Testicular follicles: in the larva, are those structures which in the
adult form the tubes composing the testes; in the adult applied also to
the tubes forming the testes.

Testudinate -us: resembling the shell of a tortoise.

Tetra-: four: a combining form.

Tetrachaetae: applied to those Diptera in which the mouth structures
consist of four longitudinal blades or piercing structures.

Tetradactyle: with four fingers or finger-like processes.

Tetragonal: having four sides or angles: quadrangular.

Tetramera: applied to Coleoptera with four-jointed tarsi.

Tetramerous: having four-jointed tarsi.

Tetrapoda: applied to those butterflies in which the anterior legs are
atrophied in whole or in part.

Tetraptera: a term proposed for all insects with four naked,
membranous reticula