Glossary of Phasmid Terms

Term Explanation
Micropylar plate

A distinct plate on the side of the egg, in which the micropyle is situated

Nymph

An immature insect, looking rather like the adult except for its lack of wings

Ocellus

A simple eye, found in the middle of the forehead

Order

One of the groups into which a class is divided

Orthopterous

Referring to insects which have toughened fore-wings, as in the order Orthoptera

Ostium

A hole opening into the heart

Palp

A small antenna-like structure attached to the mouth parts

Parthenogenesis

The production of young from unfertilised eggs

Phasmid

A general name for any of the Stick Insect group. derived from the name of the order, Phasmida.

Phylum

One of the major groups into which the animal kingdom is divided.

Plantula

A small pad underneath the tarsus

Regeneration

The ability to regrow a lost structure

Segment

One of a series of similar parts in the main body of an insect, often indicated by grooves or joints in the outer surface.

Spermatophore

a small sac containing sperm used by some male insects during mating

Spiracle

A hole through which air is taken into the body.

Tagma

One of the main divisions of the insect body - head, thorax or abdomen.

Tarsus

The 'foot' of an insect, usually divided into five parts

Terminalia

The external structures which aid in mating and egg laying.

Thorax

The middle part of an insect body, bearing the legs and the wings

Tibia

The lower of the two main parts of an insect leg. below the 'knee' joint

Trachea

A breathing tube

Trochanter

A minute section of insect leg, lying between coxa and femur.

Ventral

Describing the lower surface of a body.

Scratchpads developed and conceived by: Vince Smith, Simon Rycroft, Dave Roberts, Ben Scott...