What are Tergites and Sternites?

Tergites are denoted with roman numbers (I–VI), sternites and leg pairs are denoted with Arabic numbers (1–8). For explanatory reasons, the post-maxillary segment is drawn between the head and the first trunk segment; in fact this segment is the last segment of the head.

What is meant by Tergite?

: the dorsal plate or dorsal portion of the covering of a metameric segment of an arthropod especially : one on the abdomen.

How do Tergites differ from Sternites?

Tergite: It is a sclerite (plates that form exoskeleton) present on dorsal side of an abdominal segment in an arthropod. Sternite: It is a chitinous plate present on the dorsal side of an abdominal segment in an arthropod.

What is Tergites in cockroach?

A body section of dorsal sclerites, sometimes platelike, is known as tergites. Separate sclerites are called pleurites for the lateral parts of body segments, the pleura. Note: The body is covered/supported by a chitinous exoskeleton in a cockroach, it is secreted by the hypodermis’ underlying cells.

Which is the best description of a sternite?

Definition of sternite. : the ventral part or shield of a somite of an arthropod; especially : the chitinous plate that forms the ventral surface of an abdominal or occasionally a thoracic segment of an insect.

What is the meaning of the word tergite?

Definition of tergite. : the dorsal plate or dorsal portion of the covering of a metameric segment of an arthropod especially : one on the abdomen.

What do you mean by sternite in millipede?

The word sternite when applied to millipedes means two different things. It may refer to the sternite plate which makes up the ventral part of a body ring (see the haplosegments page). More usually, millipede specialists use the word ‘sternite’ to mean the structure to which the legs attach (images above and below).

Are there two setae row on the sternites?

There are two setae row on the sternites. Post-spiracular seta IV is shorter than the others. himalayensis holotype.–Color: Base color reddish brown, with a variegated pattern in carapace, legs, tergites, sternites, and metasoma; however, in most parts of the body, this pattern is faded (presumably owing to poor preservation).