Planned extinction: Is it ethical to deliberately wipe out a species?

[Toxy]

curl-6 said:

Toxy said:

That would make it the exception to the rule. I believe it is ethical to look at other alternatives before wiping out an entire species, however, if that species has no effect on the ecosystem and its mere existence only threatens another species; it should be removed.

Generally the easy way out is just to kill something without considering the consequences in the grand scheme of things.

The Guinea Worm on the otherhand does not factor in the ecology, so I would say that removing this particular specie is in fact ethical. 

Well, as its larvae live in freshwater outside the human body, it would factor into the ecology somewhat. The larva, for example, infect copepods prior to human consumption.

It essentially kills copepods and infects people. There are other animals within the ecosytem that eat copepods, so by removing the guinea worm, this would not create consequence within the ecosystem; nothing eats the guinea worm for survival. It is simply a being that does not offer any virtues; all it offers is death.
Killing it is certainly ethical, especially considering how some countries are plagued with them. 
Want some water to survive? Nope - this sucker will teach you a lesson for trying to survive.