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Perytrema

Perytrema[1] (łac. peritrema, l. mn. peritremae) – skleryt związany z przetchlinką, występujący u stawonogów.

Owady

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U owadów perytremy definiowane są jako pierścieniowate skleryty otaczające przetchlinki[2].

U mszyc perytremy mają postać pigmentowanych płytek, a przetchlinka położone jest na ich tylnej krawędzi lub, rzadziej, pośrodku nich[1].

Roztocze

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U roztocza mają one formę wklęśniętej płytki otaczającej stigmę[2].

Przypisy

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  1. ↑ a b Henryk Szelęgiewicz: Klucze do oznaczania owadów Polski cz. XVII Pluskwiaki równoskrzydłe – Homoptera z. 5a Mszyce – Aphidodea: Wstęp i Lachnidae. Warszawa: PWN, Polskie Towarzystwo Entomologiczne, 1978, s. 6-7.
  2. ↑ a b Armand R. Maggenti, Scott Lyell Gardner: Online Dictionary of Invertebrate Zoology. 2005, s. 679.
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Perytrema
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