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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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252Maggenti and Gardnerantennae. 3. (ANN) An annelid.cremaster n. [Gr. kremastos, hung] (ARTHRO: Insecta) 1. Theterminal abdominal segment <strong>of</strong> a pupa. 2. In a subterraneanpupa, a terminal spine. 3. The hooked caudal extremity<strong>of</strong> the pupa that suspends the chrysalids. cremastrala.crena n.; pl. crenae [L. crena, notch] A notch, cleft or indentation.crenate a. [L. crena, notch] Having a scalloped or toothedmargin; indented; notched.crenation n. [L. crena, notch] 1. One <strong>of</strong> a series <strong>of</strong> roundedprojections forming the edge <strong>of</strong> an object or structure. 2.(NEMATA) Used to describe the outer lines <strong>of</strong> the lateralfield.crenature n. [L. crena, notch] A rounded projection; the indentationas between crenations.crenulate a. [L. dim. crena, notch] Finely notched or scalloped;plicate; annulet.crepera n. [L. crepera, dark] A ray <strong>of</strong> paler color on a darkbackground.crepidal punctures (ARTHRO: Insecta) In Scarabaeoidea beetles,a group <strong>of</strong> microsensilla located anterior to the crepis.crepis n.; pl. crepides [Gr. krepis, base] 1. (ARTHRO: Insecta)In Scarabaeoidea larvae, a thinly sclerotized, anteriorlyconcave, median cross bar <strong>of</strong> the haptolachus, usuallyasymmetrical and indicated by a fine line when present; atransverse, strongly bowed bar. 2. (PORIF) An ordinaryminute monaxon, triradiate or tetraxon spicule on whichlayers <strong>of</strong> silica have been irregularly deposited.crepitaculum n.; pl. -la [L. crepitaculum, rattle] (ARTHRO: Insecta)A stridulating organ.crepitation n. [L. crepitans, rattling] (ARTHRO: Insecta) Thedischarge <strong>of</strong> fluid with an audible explosion, used by certainbeetles as a defense mechanism.crepuscular a. [L. crepusculum, dusk] Activity in dim illumination<strong>of</strong> shade or twilight. see nocturnal.crescent n. [L. crescere, to grow] Crescent-shaped; sickle-

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