Proterogyny see protogyny

proterosoma n. [Gr. proteros, before; soma, body] (ARTHRO: Chelicerata) In Acari, a combination of the gnathosoma and propodosoma; pseudotagma.

Proterostomia n. [Gr. proteros, before; stoma, mouth] All phyla in which egg cleavage is of the determinent type; includes all bilateral phyla except chaetognaths, pogonopho-res, hemichordates and chordates.

proterothesis n. [Gr. proteros, before; thesis, an arranging] (ARTHRO: Insecta) In Hymenoptera, the laying of eggs by certain solitary wasps and bees, which first produce females and then males.

proterotype n. [Gr. proteros, before; typos, type] The original primary type, including all the material upon which the original description is based.

prothetely n. [Gr. pro, before; theein, to run; telos, completion] 1. (ARTHRO) A neotenous adult arthropod having undergone less than the normal number of molts. see metathetely, hysterotely. 2. (ARTHRO: Insecta) Resulting in two pairs of fully developed wings in essentially larval (nymphal) or pupal in somatic differentiation.

prothoracic bristle (ARTHRO: Insecta) In Diptera, a bristle above each of the front coxae.

prothoracic glands (ARTHRO: Insecta) Specialized endocrine glands of larvae consisting of a pair of diffused glands at the back of the head, the thorax, or at the base of the labium producing the molting hormone (ecdysone); usually breakdown after the final molt; thoracic glands; pericardial glands; ecdysial glands; ventral glands.

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