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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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<strong>Online</strong> <strong>Dictionary</strong> <strong>of</strong> <strong>Invertebrate</strong> <strong>Zoology</strong> 725prephragma n. [L. prae, before; Gr. phragma, fence] (AR-THRO: Insecta) In Diptera, a phragma at the anterior margin<strong>of</strong> the mesonotum, <strong>of</strong>ten small or vestigial. seephragma, postphragma.prepuce n. [L. prae, before; Gr. posthe, penis] 1. (ARTHRO:Insecta) see preputium. 2. (MOLL: Gastropoda) In certainPulmonata, an extension <strong>of</strong> the distal end <strong>of</strong> the penissheath.prepupa n.; pl. -ae [L. prae, before; pupa, puppet] (ARTHRO:Insecta) Quiescent last larval instar before ecdysis to apupa; not ordinarily representing a distinct morphologicalstage; propupa. see pharate. a. In Thysanoptera and maleCoccidae, a morphological stage, a quiescent instar followingthe last larval instar, followed by a second quiescent,pupal instar. b. In Diptera, the third instar larva betweenpupariation and the larval-pupal apolysis. prepual a.preputial a. [L. prae, before; Gr. posthe, penis] Of or pertainingto the prepuce.preputial sac (ARTHRO: Insecta) An eversible sac(s) on thepenis bearing a small toothed plate that grips the wall <strong>of</strong>the female vagina during copulation; vesica; genital sac.preputium n. [L. prae, before; Gr. posthe, penis] The externalcovering <strong>of</strong> the penis.prepygidium n. [L. prae, before; Gr. pyge, rump] (ANN: Polychaeta)An area <strong>of</strong> segment addition anterior to the pygidium.prerectum n. [L. prae, before; rectus, straight] An identifiablesection <strong>of</strong> the alimentary canal between the mesenteronproper and the rectum. prerectal a.prereduction n. [L. prae, before; reducere, lead back] The reductionto haploid <strong>of</strong> the chromosome number in the 1stmeiotic division.presaepium n. [L. prae, before; sepes, fence] (ARTHRO: Insecta)In larvae <strong>of</strong> the ant tribe Camponotini, the shallowdepression on the venter <strong>of</strong> some anterior abdominalsomites; suggested to resemble the trophothylax <strong>of</strong> pseudomyrmecinaelarva.prescutal ridge (ARTHRO: Insecta) The internal strengthening

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