Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology 769Having 4 rays; tetraxon, tetractine.quadrithecal a. [L. quadrus, fourfold; Gr. theke, case] (ANN)Having 4 spermathecae.quadrivalve a. [L. quadrus, fourfold; valva, fold] 4-valved.quartet see tetradquasisocial a. [L. quasi, as if; socius, companion] (ARTHRO:Insecta) In Hymenoptera, females of the same generationforming a colony and cooperating in brood care.queen n. [A.S. cwen, wife] (ARTHRO: Insecta) 1. A femalemember of the reproductive caste in semisocial and eusocialinsects; may or may not differ morphologically fromthe workers. 2. In Formicidae, a fully developed reproductivefemale characterized by a generalized hymenopterousthorax and functional but deciduous wings; sometimes referredto as 'the female' of the colony.queen control (ARTHRO: Insecta) In social Hymenoptera, inhibitoryinfluence of the queen on the reproductive activitiesof workers and other queens.queen substance (ARTHRO: Insecta) In Hymenoptera, pheromonesreleased by the queen honeybee that attracts andcontrols the reproductive activities of workers and otherqueens; Trans-9-Keto-2-decanoic acid is the most potentcomponent of the pheromone mixture.Quenstedt muscles (MOLL: Bivalvia) Paired, small musclesanterior to the ctenidial elevator muscles of oysters.quick muscle see phasic musclequiescence n. [L. quiescere, to become quiet] A condition oftemporary cessation of development, or other activity,during which the animal requires little nourishment, butshows exterior signs of life; directly referable to environmentalconditions.quiescent a. [L. quiescere, to become quiet] 1. To becomequiet. 2. (ARTHRO: Insecta) Applied to biological inactivityor prepupae and pupae with complete metamorphosis.quincunx n.; pl. -xes [L. quincunx, arranged in diagonal rows,five-twelfths] 1. An arrangement of five things in a square,having one in each corner and one in the center. 2. (ANN)