Parascutal area see alar area

parasematic a. [Gr. para, beside; sema, sign] Pertaining to colors, structures or behavior that deceive preditors. see antiaposematic, sematic.

parasexual a. [Gr. para, beside; LL. sexualis, sexual] Refers to all non-meiotic reproductive processes.

parasigmoidal a. [Gr. para, beside; sigma, the 16th letter; eidos, form] Curved like a reversed letter "S."

parasite n. [Gr. para, beside; sitos, food] An organism that lives part or all of its life in or on the body of another living organism (host), obtaining nutriment from the latter, or exerting other harmful influence upon it. parasitic a. see parasitoid.

parasitic castration Pertaining to the suppression or destruction of gonads by parasites; first used regarding Crustacea; individual parasitic castration. see social parasitic castration.

parasiticide a. [Gr. para, beside; sitos, food; L. caedare, to kill] Distructive to parasites; parasiticidal.

parasitism n. [Gr. para, beside; sitos, food] A form of symbiosis in which the symbiont benefits from the association and causes detriment to the host.

parasitization n. [Gr. para, beside; sitos, food] The act of an organism taking food from the body of another organism (host) for the completion of its life cycle; usually detrimental to the host.

parasitoid n. [Gr. para, beside; sitos, food; eidos, form] 1. Any organism that is typically parasitic in its development, but kills the host during or at the completion of its development. 2. Also used as an adjective to describe this mode of life. 3. Alternately free-living and parasitic.

parasitology n. [Gr. para, beside; sitos, food; logos, discourse] The study of parasites.

parasitophorous vacuole A vacuole within a host cell containing a parasite.

parasocial a. [Gr. para, beside; socius, companion] (ARTHRO: Insecta) Referring to forms that show one or more of the following traits: cooperation in care of the young, reproductive division of labor, and overlapping of life stages that contribute to colony labor. see presocial.

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