This is more of a question. I know there are two types of fleas. I refer to the larger fleas normally seen on dogs as "dog" fleas. But there are smaller fleas many refer to as "cat" fleas. I'm not sure if this is because they are a flea found more on cats or not. I just know this type of flea is much smaller, hardier and much more immune to many pest controls I've used against it. What is the "official" name for the two types of fleas. Is there a scientific reason for the difference in the fleas? Any help with this?

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