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Sexual dimorphism. For anyone interested in insects, and more.
Oct 28, 2018 00:17:02   #
newtoyou Loc: Eastport
 
A post in macro of a wasp brought this up. Why are wasp and bee faces different in the sexes? Same for beetle horns in male beetles, stingers in wasps, etc. Many larger animals. Female Hawks the larger. Male deer larger, and antlers. Different reasons. If you consider bee and wasp faces, what are the jobs of the faces. Male makes no nest, no tunnels, no mud molding.needs. The female needs these adaptions. Large horned beetle males fight to mate. Bigger horns, more mating. Female doesn't need horns. Male deer fight, large horns needed. Male wasps do not sting. No sting. Why? it is a modified ovipositor, males do not lay eggs. Nature does not waste, and loves to recycle old ideas. Convergent evolution. But that ,as 'Firesign Theater' might say, is another story.
Goodnight all.
Bill

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Oct 28, 2018 01:23:48   #
wdross Loc: Castle Rock, Colorado
 
newtoyou wrote:
A post in macro of a wasp brought this up. Why are wasp and bee faces different in the sexes? Same for beetle horns in male beetles, stingers in wasps, etc. Many larger animals. Female Hawks the larger. Male deer larger, and antlers. Different reasons. If you consider bee and wasp faces, what are the jobs of the faces. Male makes no nest, no tunnels, no mud molding.needs. The female needs these adaptions. Large horned beetle males fight to mate. Bigger horns, more mating. Female doesn't need horns. Male deer fight, large horns needed. Male wasps do not sting. No sting. Why? it is a modified ovipositor, males do not lay eggs. Nature does not waste, and loves to recycle old ideas. Convergent evolution. But that ,as 'Firesign Theater' might say, is another story.
Goodnight all.
Bill
A post in macro of a wasp brought this up. Why are... (show quote)


It is somewhat covered by Darwin's theory's four main principles. But that would bring up a battle about Darwin's theory. What I think is ironic, if one just talks about the four principles without indicating where they come from, some of the most staunch disbelievers of Darwin's theory will agree to them.

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Oct 28, 2018 04:57:17   #
lamiaceae Loc: San Luis Obispo County, CA
 
newtoyou wrote:
A post in macro of a wasp brought this up. Why are wasp and bee faces different in the sexes? Same for beetle horns in male beetles, stingers in wasps, etc. Many larger animals. Female Hawks the larger. Male deer larger, and antlers. Different reasons. If you consider bee and wasp faces, what are the jobs of the faces. Male makes no nest, no tunnels, no mud molding.needs. The female needs these adaptions. Large horned beetle males fight to mate. Bigger horns, more mating. Female doesn't need horns. Male deer fight, large horns needed. Male wasps do not sting. No sting. Why? it is a modified ovipositor, males do not lay eggs. Nature does not waste, and loves to recycle old ideas. Convergent evolution. But that ,as 'Firesign Theater' might say, is another story.
Goodnight all.
Bill
A post in macro of a wasp brought this up. Why are... (show quote)


Sexual dimorphism as you show is really common with Animals. The reason may not always be clear as with say Gorillas. But virtually all bird species display it with the males being far more colorful, and failing that, rapter Females being larger than their mates. Or it is subtle like with Mollusks; male-female seashells? "Sex" with Plants is far more complex and not as straight forward as with Animals. As noted by the Biologist-Photographer here!

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Oct 28, 2018 17:33:00   #
newtoyou Loc: Eastport
 
lamiaceae wrote:
Sexual dimorphism as you show is really common with Animals. The reason may not always be clear as with say Gorillas. But virtually all bird species display it with the males being far more colorful, and failing that, rapter Females being larger than their mates. Or it is subtle like with Mollusks; male-female seashells? "Sex" with Plants is far more complex and not as straight forward as with Animals. As noted by the Biologist-Photographer here!
Sexual dimorphism as you show is really common wit... (show quote)


I don't know so much about sex in plants, but I know that sex with female humans can be complex. I do not think that straightforward fits human sex for pleasure,either. Just another problem to dwell on in old age.
Bill

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Oct 28, 2018 18:40:59   #
newtoyou Loc: Eastport
 
lamiaceae wrote:
Sexual dimorphism as you show is really common with Animals. The reason may not always be clear as with say Gorillas. But virtually all bird species display it with the males being far more colorful, and failing that, rapter Females being larger than their mates. Or it is subtle like with Mollusks; male-female seashells? "Sex" with Plants is far more complex and not as straight forward as with Animals. As noted by the Biologist-Photographer here!
Sexual dimorphism as you show is really common wit... (show quote)


Here Here. I noted your fresh, minty pseudonym.
I am a biologist manque. Life interrupted school.
No complaints.
Bill

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Oct 29, 2018 16:22:41   #
BBurns Loc: South Bay, California
 
I summed it up a few months ago.
https://www.uglyhedgehog.com/t-517009-1.html

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Oct 29, 2018 17:38:05   #
newtoyou Loc: Eastport
 
BBurns wrote:
I summed it up a few months ago.
https://www.uglyhedgehog.com/t-517009-1.html


Ain't that the truth!!!
No thesis needed.
Bill

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Oct 29, 2018 19:01:24   #
newtoyou Loc: Eastport
 
newtoyou wrote:
Ain't that the truth!!!
No thesis needed.
Bill


And by the way. I raised about thirty monarchs this summer. Rescues from road bushhogging.
Also found lots of other interesting critters.
Bill

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Oct 29, 2018 20:22:11   #
BBurns Loc: South Bay, California
 
My Monarch season is slow right now. 1 chrysalis in house presently. November & January are my busiest times here.

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Oct 29, 2018 20:35:29   #
newtoyou Loc: Eastport
 
BBurns wrote:
My Monarch season is slow right now. 1 chrysalis in house presently. November & January are my busiest times here.


Still monarchs here, but milkweed gone as of mid month. Withered, dry, plenty of bugs on seedpods though.
Bill

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Oct 29, 2018 20:45:02   #
BBurns Loc: South Bay, California
 
newtoyou wrote:
Still monarchs here, but milkweed gone as of mid month. Withered, dry, plenty of bugs on seedpods though.
Bill
Native milkweed starting to brown out now. Tropical is greening up.
Hoverflies came in late this year but my Oleander aphid infestation was cleaned up in 3 weeks.
I trim off seed pods when they just start to form. Forces the plants to produce more flowers and leaves

I hand pick the bugs. Nothing will eat them. I offered them to my Venus Fly Traps but they spit them out.

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Oct 29, 2018 21:01:08   #
newtoyou Loc: Eastport
 
BBurns wrote:
Native milkweed starting to brown out now. Tropical is greening up.
Hoverflies came in late this year but my Oleander aphid infestation was cleaned up in 3 weeks.
I trim off seed pods when they just start to form. Forces the plants to produce more flowers and leaves

I hand pick the bugs. Nothing will eat them. I offered them to my Venus Fly Traps but they spit them out.


I have a collection of insects that feed on milkweed. Except for ladybug and lacewing larva eating the aphids, almost nothing eats any milkweed feeders. Taste the sap. You will then know why. And remember, a little dab will do you.
Bill

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