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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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<strong>Online</strong> <strong>Dictionary</strong> <strong>of</strong> <strong>Invertebrate</strong> <strong>Zoology</strong> 625ocular emargination (ARTHRO: Insecta) In Mallophaga, a lateralemargination <strong>of</strong> the head in front <strong>of</strong> the eyes.ocular fleck (ARTHRO: Insecta) In Mallophaga, a black spot inthe eyes.ocular fringe (ARTHRO: Insecta) In Mallophaga, small hairs onthe posterior half <strong>of</strong> the ocular emargination, may extendon the temporal margin.ocularium n.; pl. -ia [L. oculus, eye] (ARTHRO: Insecta) 1. Thearea around the simple eye or eyes <strong>of</strong> larvae. 2. In Hymenopterasawflies, the pigmented area.ocular lobe (ARTHRO: Insecta) On some Coleoptera, a projectingthoracic lobe.ocular papilla (ARTHRO: Crustacea) In some Malacostraca, theanterior projection on the eyestalk.ocular peduncle (ARTHRO: Crustacea) A movable peduncle(eyestalk) with a compound eye at the distal end, sometimeswith two or three segments, sometimes retractable.ocular plates (ECHINOD: Echinoidea) Plates at the terminal end<strong>of</strong> the ambulacral areas.ocular sclerites (ARTHRO: Insecta) 1. In some Pseudococcidae,well developed sclerites extending completely aroundeach side, each bearing a row <strong>of</strong> 7 simple eyes near anteriormargin, plus a single lateral ocellus on each side behindthe mid-lateral member <strong>of</strong> the anterior row. 2. An annularsclerite surrounding the compound eyes.ocular seta (ARTHRO: Insecta) In Diptera, one <strong>of</strong> several setaeoccurring in a line near the posterior margin <strong>of</strong> each compoundeye.ocular sinus (MOLL: Cephalopoda) In the Nautilus , an openingon the lateral shell margin accommodating the normal arc<strong>of</strong> vision <strong>of</strong> the eyes.ocular suture (ARTHRO: Insecta) An annular inflection surroundingthe compound eyes.ocular tube (SIPUN) A tubular depression in the brain containingthe pigment <strong>of</strong> the eyespots or eyes.ocular tubercles (ARTHRO: Insecta) In Hemiptera, supplementaryeyes with prominent facets on the posterior area,

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