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Abdomen. The third, posterior major division of the body.

Acute. Forming and angle greater than 90°.

Adedeagus. The distal portion of the phallus.

Anal. Relating to the last abdominal segment or to characters found at the posterior basal area of a structure( ie. the anal vein of the wings).

Antenna. Paired sensory organs, emanating from the head.

Carina. A ridge.

Cercus. Paired appendages found on the tenth abdominal segment.

Clubbed. Having the distal segments enlarged.

Distal. The end of an appendage farthest from the body. (ie. your fingers are at the distal end of your arm)

Fastigium. The anterior dorsal surface of the head.

Ensiform. Larger at the base and narrowing distally. (typically pertaining to the antenna)

Filiform. Thread-like, being the same size throughout. (typically pertaining to the antenna)

Femur. The thigh, or the third segment of the leg, often the largest, attached to the body by the trochanter and tibia.

Furcula. A pair of posterior facing projections found on top of (if present) the supra-anal plate.

Herbivorous. Describing something that feeds on plants.

Nymph. An immature stage of an insect that does not have a pupal stage (such as the Orthoptera).

Ocellus/Ocelli. A simple eye.

Ovipositor. The structure which is used to deposit the eggs. Found at the end of the abdomen in most female Orthoptera.

Palp. A segmented structure eliminating from the labrum or maxillae, used in feeding.

Pronotum. The dorsal surface or sclerite of the prothorax.

Pronatal carina. The main or median carina on the pronotum

Prostermum/Prosternal. The sclerite between the forelegs./ Pertaining to the area between the forelegs.

Stridulatory pegs. small peg-like structures found on the inside of the hind femur. Used for sound production.

Subgenital plate. The plate covering the genital organs.

Supra-anal plate. The sclerite above the anal cavity. Typically triangular in nature.

Suture. A line or depression in the exoskeleton, usually indicating distinct body parts.

Tarsus. the foot, the distal segment of the tibia.

Tegmen. The thickened forewing.

Thorax. The second body segment, bering the legs and wings.

Tibia. The fourth segment of the leg. The color of the hind tibia are often useful in species determination in the Acridiadae.

Tibial spur. A large spine found, typically found at the distal end of the tibia.

Tympanum. The auditory membrane. Can be found on the body as well as the legs in Orthoptera.