A mating posture where the male clasps the female with his anal appendages. See also: Wheel Position.

The distal leg segment composed of tarsomeres.

The scientific system of classifying organisms.

A small lobe covering the wing base. See also: Costa, Arculus.

A newly emerged adult with soft cuticle.

The dorsal sclerite of an abdominal segment. See also: Sternite, Pleurite.

The central body region containing flight musculature.

The long leg segment between femur and tarsus.

Wing venation landmarks important in Anisoptera identification.

A small leg segment between coxa and femur.