You are a post-reproductive pea aphid. You have spent a
long and happy life sucking the juices out of a pea plant. As the plant has
grown, so has your large and clonal family, who you love as you love yourself,
because genetically they are self. You were born with all your daughters
already developing in your ovaries, and now the last one is out, and already
reproducing, and what are you going to do with yourself? You may be only
halfway thorough your lifespan. What to do with the remaining weeks? Pompano
Beach is out, too many insecticides.
The obvious answer if you are a natural selection minded
aphid is you'd like to help all the clones of yourself you've created to grow
fast, live long and reproduce a lot. But how? Reproductive adults contribute
more to the growth of the colony than do the young'uns, so throughout your
reproductive lifespan, you've tried hard to stay at the center of the colony,
where there is a touch of protection from predators. So maybe now you should
move to the edge? If a hungry predator comes along, you can martyr yourself for
the good of the clone. You don't have any chemical defenses or strong sharp
pokey bits, and your kick is frankly rather unimpressive, but maybe if the
predator eats you, it will allow time for your great-great-grandkids to escape,
or at least make the predator full enough that it eats fewer of them. And
maybe, just maybe, when that predator comes, you will be brave enough to just
stay put and get eaten for the team.
Or perhaps rather than just sitting around waiting to get
eaten, you can help to feed the family? Aphids suck sap, so if you could either
put some chemical into the plant, or create enough suction, you could
stimulates flow to that part of the plant where your family resides. Your young
might grow faster or start reproducing sooner.
I mean, I don't really know. No post-reproductive aphid has
ever sought my advice before. I'll do some experiments and get back to you.
4 comments:
Aspect 1 has been established and you are investigating aspect 2?
No! Aspect 1 and 2 have both been suggested, but I need to test them both.
What's a typical life span for a pea aphid?
20 to 40 days, iirc
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