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Thread: Major causes of death in insects

  1. #1 Major causes of death in insects 
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    Major causes of death among humans include cardiovascular disease and cancer. That got me wondering: what are the major causes of death among other animals? Insects, for instance.


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  3. #2  
    Life-Size Nanoputian Flick Montana's Avatar
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    1. Spiders.
    2. Wandering into the bathtub.
    3. 7 year old boys with magnifying glasses.


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  4. #3  
    Bullshit Intolerant PhDemon's Avatar
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    I'm not an expert but I would guess being eaten by predators is pretty high. Edit: Ninja'd again dammit...
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  5. #4  
    Your Mama! GiantEvil's Avatar
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    I would guess that different species of insect would have different primary mortality factors that would also vary as a function of environment. These could include but not be limited to predation, starvation, accidents, natural life span limits, disease, novel selection pressure, stress, seasonal environmental variances, toxin exposure, etc...
    I was some of the mud that got to sit up and look around.
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    Life-Size Nanoputian Flick Montana's Avatar
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    Given the markedly shorter lifespan of most insects compared to humans, I would say it isn't a valid comparison. Biology aside, they just don't have the same timescale during which to be exposed to environmental hazards. Predation and natural mortality would seem to be, on average, the most likely causes of death. In an area where there is human intervention, this could obviously changed drastically.
    "Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us." -Calvin
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    Northern Horse Whisperer Moderator scheherazade's Avatar
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    There has been a notable absence of mosquitoes and black flies this year, which based on personal experience and observation, I would attribute to our relatively cool spring and summer of this year. Summer has pretty much been a non-event and the last few days of blue skies and sunshine seem almost like a distant memory of years gone by. People have been almost giddy with pleasure to see the sun.

    Spiders and ants seem to be present in usual numbers.

    Very few wasps, hornets, horseflies or bees this season either. Pollinating insects have been in decline for several years according to observations shared by northern gardeners.

    No lady bugs seen this year by my neighbor or myself.

    Very troubling as is the seeming decline in swallows and other small insect dependent birds.
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  8. #7  
    Forum Junior AndresKiani's Avatar
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    Natural Selections, short life span, natural causes, humans, and predators of all sorts.
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    Forum Professor jrmonroe's Avatar
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    Insecticides (both natural and artificial). Frost.
    Grief is the price we pay for love. (CM Parkes) Our postillion has been struck by lightning. (Unknown) War is always the choice of the chosen who will not have to fight. (Bono) The years tell much what the days never knew. (RW Emerson) Reality is not always probable, or likely. (JL Borges)
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  10. #9  
    Forum Cosmic Wizard
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    For insects?
    Bats, birds, mice, frogs, toads, other insects, some bacteria, a few fungi, mites, spiders....
    car windshields...
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  11. #10  
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    usually most animals just get hunted by other animals so I guess that would be the most common. some animals have a short life span, there habitats are being destroyed/polluted and some are hunted by us
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  12. #11  
    ▼▼ dn ʎɐʍ sıɥʇ ▼▼ RedPanda's Avatar
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    It might be quicker to list all the things that don't kill insects...
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    Northern Horse Whisperer Moderator scheherazade's Avatar
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    I would project, that going forward, becoming a source of protein for humans will be the cause of increasing mortality for a number of species.

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    For aquatic insects pollution is a major problem. Rain runoff from farms and paved roads affect the fertility of streams reducing or eliminating insect populations which in turn affects fish, especially trout.
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