I accidentally cut a cockroach’s half part of the abdomen.

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    • #6990
      satrohraj
      Participant

      I was worrying about it survival..
      How many hours can it survive? with out the last 4-5 segments?
      I was watching it for 20 minutes..It was acting normal, running around..

      My question is:

      How long can a Cockroach survive without the last 5 segments? It’s a male cockroach.
      I think the cockroach is Periplanata Americana. (Common Indian cockroach)

    • #69251
      Beetle
      Participant

      Hmmm, probably very long. Insects, unlike us dont need to have their hole body intact to function normaly. During my stuides i came to information that a decapitaded cockroach would die from starvation rather than the decapitation. Though i didnt try this. But they doesnt have much in their head to cause mass body function failure. And also there is cephalic domination (i think that is the term) when brain supress the other nerve centers like toracic ganglion or abdomenal ganglion, e.g. in Mantis religiosa, to fully function (when female eats the head of male during copulation and he continues to do it or even do it better). I know since i was a kid that insect can sustain high amount of damage before they eventualy die. Severed legs, pierced torax or abdomen, drowned, smashed, kicked…. i even tried to pump the body of insects with water or some other liquid and they didnt die (though depending of liquid). And many of that things would kill any higher animal several time. (yes i know i was very brutal child but also biologicaly curious, but i only did it on insects, i was never interested into experimenting on cats or dogs :))

      Your roach would probably die form dehidratation through that abdomenal opening. Maybe you can try to put one roach in normal enviroment and the other in very humid one like in a closed bottle. They dont say for nothing that roaches will outlive us all after the nuclear war. 😉

    • #69253
      satrohraj
      Participant

      Its been 28 hours… and still is alive..
      But the movement is a bit slower..

    • #69288
      Dr.Stein
      Participant

      It will be dead when it doesn’t have food reservoir to provide its energy anymore 😉

      Even cockroach without head can live for several days but it will be dead soon after it doesn’t have energy, which commonly obtained from eating or food reservoir in its body 🙂

    • #69299
      MrMistery
      Participant

      yeah, i have heard that too. Some cockroaches can live 3 weeks without their head.

    • #69322
      Snake_Bis
      Participant

      Omg, I didn’t know it before… But is it the same for all insects ???

      (My first message in your forum who I think I stay more time 😀 Interesting : I’m French so sorry for grammar mistakes… 😆 )

    • #69326
      satrohraj
      Participant

      No Grammar mistakes … you are good
      i dont think so, Spiders die soon

    • #69330
      MrMistery
      Participant

      But then again, spiders are not insects.
      No, it is not the same for absolutely all insects…

    • #69331
      satrohraj
      Participant

      Can’t we call all arthropods as insects?
      I know that insecta is a seperate class…but i always have had an impression that all arthopods are insects or insect-like

    • #69332
      MrMistery
      Participant

      wrong impression 😉

    • #69334
      AstusAleator
      Participant

      spiders = chelicerates

    • #69353
      Dr.Stein
      Participant
      quote satrohraj:

      Can’t we call all arthropods as insects?
      I know that insecta is a seperate class…but i always have had an impression that all arthopods are insects or insect-like

      if I were your Animal Systematics lecturer, I would like to give you "E" mark for the class 😆 😆

    • #69357
      satrohraj
      Participant

      Wait, All of you…
      I said, i know what insects are, and they belong to class insecta.

      I just ‘have had’ an impression that all arthropods are insects.

      Thats not the case now, i know all things about arthropoda, i have been studying it from 2 years.

    • #69436
      Dr.Stein
      Participant

      Calm down, my dear… We like jokes very much 😉

    • #69473
      Locus
      Participant

      satrohraj – really All??? So why you posted this topic?
      Spiders die more rapidly if they cuted, becouse they (most of them) have not tracheal systrm and oxygene suppled to they’s tissies by the blood, so if we will cut they’s body (cat off relative large part) we destroy blood system and so respiration…

    • #69476
      satrohraj
      Participant
      quote Locus:

      Spiders die more rapidly if they cuted

      Yes i know that, i even tried many times.

    • #116426
      willonjohn
      Participant

      Hello there,

      Most homeowners are aware of the health and safety risks associated with cockroach infestations, including the allergies and asthma triggered by cockroach allergens, and the germs and bacteria they have been known to spread. What may not be as widely known is the fact that cockroaches are a very interesting and resilient pest that exhibits some very odd behavior and survival tactics. For example, cockroaches spend 75% of their time resting and can withstand temperatures as cold as 32 degrees Fahrenheit.

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