About: Temporal pattern of feeding activity in the firebug Pyrrhocoris apterus and its relation to sex, wing dimorphism and physiological state of adults     Goto   Sponge   NotDistinct   Permalink

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  • The length of the pre-oviposition period in spontaneously fasting macropterous females of P. apterus is shortened and ovarian arrest terminated by application of juvenile hormone analogue, which indicates that temporary ovarian arrest of these females results from a deficiency of juvenile hormone. The length of pre-oviposition period can be shortened and ovarian arrest can be terminated also by de-alation, higher temperature and prolonged period of starvation, but not by mating with reproductively active males. Depletion of the fat body reserves by prolonged fasting, followed by resumption of food intake are pre-requisites for full activation of the corpus allatum and egg development, and plays a role in completion and termination of non-diapause type of ovarian arrest in long-day macropterous females of this bug.
  • The length of the pre-oviposition period in spontaneously fasting macropterous females of P. apterus is shortened and ovarian arrest terminated by application of juvenile hormone analogue, which indicates that temporary ovarian arrest of these females results from a deficiency of juvenile hormone. The length of pre-oviposition period can be shortened and ovarian arrest can be terminated also by de-alation, higher temperature and prolonged period of starvation, but not by mating with reproductively active males. Depletion of the fat body reserves by prolonged fasting, followed by resumption of food intake are pre-requisites for full activation of the corpus allatum and egg development, and plays a role in completion and termination of non-diapause type of ovarian arrest in long-day macropterous females of this bug. (en)
  • Délka pre-ovipoziční periody u spontánně hladovějících makropterních samic ploštice P. apterus je zkrácena a inhibice růstu ovarií odstraněna aplikací analogu juvenilního hormonu, což ukazuje, že přechodná inhibice růstu ovarií u těchto samic je způsobena nedostatkem juvenilního hormonu. Délka pre-ovipoziční periody může být zkrácena a inhibice růstu ovarií odstraněna také odstřižením křídel, vyšší teplotou, prodlouženou dobou hladovění, avšak nikoliv pářením s reprodukčně aktivními samci. Vyčerpání rezerv z tukového tělesa delším hladověním, následované obnovením příjmu potravy, jsou nezbytnou podmínkou pro plnou aktivaci endokrinních žláz corpora allata a tvorbu vajíček a významně se podílejí na ukončení nediapauzního typu inhibice růstu ovarií u dlouhodenních makropterních samic této ploštice. (cs)
Title
  • Temporal pattern of feeding activity in the firebug Pyrrhocoris apterus and its relation to sex, wing dimorphism and physiological state of adults
  • Faktory terminujicí inhibici růstu ovarií u dlouhokřídlých samic od nelétavé ploštice Pyrrhocoris apterus (Heteroptera: Pyrrhocoridae) (cs)
  • Temporal pattern of feeding activity in the firebug Pyrrhocoris apterus and its relation to sex, wing dimorphism and physiological state of adults (en)
skos:prefLabel
  • Temporal pattern of feeding activity in the firebug Pyrrhocoris apterus and its relation to sex, wing dimorphism and physiological state of adults
  • Faktory terminujicí inhibici růstu ovarií u dlouhokřídlých samic od nelétavé ploštice Pyrrhocoris apterus (Heteroptera: Pyrrhocoridae) (cs)
  • Temporal pattern of feeding activity in the firebug Pyrrhocoris apterus and its relation to sex, wing dimorphism and physiological state of adults (en)
skos:notation
  • RIV/60077344:_____/07:00080957!RIV07-AV0-60077344
http://linked.open.../vavai/riv/strany
  • 16;25
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA206/03/0016), Z(AV0Z50070508)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 454521
http://linked.open...ai/riv/idVysledku
  • RIV/60077344:_____/07:00080957
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • feeding pattern; females; males (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [4A351AEBF2BE]
http://linked.open...i/riv/nazevZdroje
  • Physiological Entomology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 32
http://linked.open...iv/tvurceVysledku
  • Socha, Radomír
  • Zemek, Rostislav
http://linked.open...n/vavai/riv/zamer
issn
  • 0307-6962
number of pages
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