The chitinous exoskeleton providing support and protection. Hardens through sclerotization after emergence. See also: Sclerite, Exuvia.

A trait that reliably distinguishes one species from another.

A hormonally regulated developmental arrest triggered by environmental cues.

Exhibiting two distinct forms within a species. See also: Polymorphic, Andromorph, Heteromorph.

Farther from the body or point of attachment. Opposite: Proximal. See also: Apex, Apical.

The upper surface of the body. Opposite: Ventral.

Shedding of the exoskeleton during larval growth. See also: Instar, Stadium.

Transition from aquatic larva to aerial adult. See also: Teneral, Exuvia.

Eggs inserted into plant tissue. See also: Epiphytic, Exophytic.

Eggs laid on the surface of plant material. See also: Endophytic.