Ring species are an interesting example of how speciation involves populations that, over many generations, have become different enough to be considered separate species. What you mean by "beetles, lizards, moths, bacteria..." being "still the same species" isn't clear - as you quoted in your post there are hundreds of thousands of beetle species alone, so they're clearly not "still the same species".
Because it doesn't happen that way; the population gradually changes over many generations; there is no overnight change. The process is analogous to the changing stages of human life; there's no overnight change between baby and child, child and youth, youth and adult, etc., life is a continuous process of change; so different cultures and societies make a decision on when they will consider a transition to have occurred according to some selected criteria, e.g. appearance of body hair, or voice change, or age in years, or arrival of periods, etc.
Declaring that speciation has occurred is a similar process - it means we've decided to distinguish two populations as distinctively different based on selected criteria, e.g. reproductive capability, or genetic differences, or stable phenotypic differences, etc.
No species will ever evolve into another existing or past species - they will always evolve into new species; and those new species will eventually evolve in turn (unless they go extinct) into one or more new species, and so-on. The species they evolve into will become ever more distinct/different from the original parent species until, many species down the line, they may appear to be completely different from the original parent species. Ring species show a speciation stage of this process in detail, where the intermediate populations between one species and the next still exist.
The tree of all life on Earth is the result of this process of branching speciation, where so many changes have occurred between early species and contemporary species that the contemporary species look very different from the original ancestor species, and the many ends of the branches (lineages) look different from each other according to how far up the tree their branches separated.
Fossils are the evidence of past speciation of populations that lived in those times.
You've misunderstood - a species can give rise to a new species and still continue to exist. If part of a population of a species is isolated in a new environment, it will progressively adapt to that environment over many generations, eventually becoming a new species. Meanwhile, the other population(s) of the species, if well-adapted to the original environment, may remain relatively unchanged; so you will have a new species that has branched off from the original species, where both species exist at the same time. This has often occurred when breeding pairs become isolated on islands, for example. Of course, given enough time, the original species (if it doesn't go extinct) will change sufficiently to be considered a new species too.
@FrumiousBandersnatch
I haven't misunderstood anything, it is Evolutionists that twist on taxonomy, mixing words, and mislabeling where finally you justify exterminating those you deem under you, those deep down in your heart you label sub-human.
Look, you have categorized humans created in our Creators image as;
animals. Once you got away with that, you labeled us apes, and our not-so distant cousins yo labeled them even as something distasteful and abhorring as
rats.
Did you, or did you guys not say that evolution/speciation never happens?
Here is (for the hundredth time) the definition of speciation
Speciation: the formation of new and distinct species in the course of evolution.
How long does it take for a distinct type of species to evolve into another completely different species, example; gorilla to a human?
In you guys own words:
"A long time", may be even millions and billions of years.
According to this hate-theory; when a specific species, let's say the gorilla, has evolved to a point that it looks like a human, and DNA shows it's now a human,
has evolution achieved speciation of the gorilla into a completely different species, .. or NOT?
Now here is where the diversion, the hand waving, the ridiculing, the name calling starts; when I ask the simple question:
"How does the gorilla change over to a human, is it by waking up one morning a human, or giving birth to a human, or how?"
Evolutionists response;
"You don't understand evolution, a gorilla NEVER turns into a human, it never speciate into a completely different species, that doesn't happen, it never happened, and never will happen! What happens is that a gorilla will turn into a Common Ancestor, .. and it is that Common Ancestor that turns into, morphs into, gives birth to a human."
And may I ask how the Common Ancestor turns into a human?
You guys show thousands of skulls, and bone fragments of species of unknown origins dug up from graves, or Peleoartist's rendered images and tell me:
"This is how, as you can see these skulls evolving. This is our proof of evolution!"
So the fact is, that the only evolution that does happen, is according to Gods creation, each species will evolve after their own kind, where a lizard, a moth, a bacteria, a dog, a horse, a pigeon, a cat will remain the same species, with variations, like we see in a Great Dane, and a teacup poodle .. but EVOLUTION of one species into a completely different species we all agree:
NEVER HAPPENS!
So, .. please stop calling me, my family, my ancestors;
animals, family of apes.
(if that lady in that "family collage" was a picture of someone I knew, I would encourage her to sue Dawkins pants off!)
It is not nice, and since my ancestors were exterminated as rats, and before that hundreds of millions of Negros in Africa were treated like animals, and exterminated at will over many hundreds of years, displayed as apes, as gorillas, as the missing link:
It's time to put such hate and discrimination to an end. This
grave robbing, skull & bones worshipping religion should be put on trial for
'Crimes Against Humanity', and no longer allowed to call themselves
scientists, or call the
grave robbing work they do: "science"!