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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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FF 1 First filial generation, arising from a cross, subsequent generationsabbreviated F 2 , F 3 , etc. see P 1 .face n. [L. facies, countenance] 1. The surface <strong>of</strong> anything. 2.(ARTHRO: Insecta) The front <strong>of</strong> a verticle head between thecompound eye above the mouth to vertex. a. In Hymenopterabetween antennae and clypeus. b. In Diptera, belowthe frontal suture, <strong>of</strong>ten having grooves or fovea below theantennae; the mes<strong>of</strong>acial plate. c. In Ephemeroptera, thefused front and vertex; facies.facet n. [F. facette, small face] 1. A small surface. 2. (ARTHRO:Insecta) The external surface or part <strong>of</strong> a compound eyeunit or ommatidium.facette n. [F. facette, small face] (ARTHRO: Pentastomida) Afunnel-shaped opening through the inner membrane complex<strong>of</strong> the egg into which the product <strong>of</strong> the dorsal organis deposited.facetted eye see compound eyefacial angle (ARTHRO: Insecta) The angle formed by the point<strong>of</strong> union <strong>of</strong> the face and vertex.facial bristles see oral vibrissaefacial carina (ARTHRO: Insecta) One <strong>of</strong> the carinae <strong>of</strong> thefrontal costa and <strong>of</strong> the accessory carinae <strong>of</strong> the face. a. InOrthoptera, one <strong>of</strong> the accessory carinae. b. In Diptera, thesingle median facial ridge separating the antennal grooves.facial depression (ARTHRO: Insecta) 1. The antennal groove.2. For Diptera, the middle <strong>of</strong> the face; the facial plate.facialium see vibrissal ridgefacial orbit (ARTHRO: Insecta) On the head, the region next tothe mesal margin <strong>of</strong> a compound eye.facial plate (ARTHRO: Insecta) In Diptera, the central part <strong>of</strong>the face.facial quadrangle (ARTHRO: Insecta) In bees, the quadrangle

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