Complex sentence: In the United States, two eastern species, "Xylocopa virginica" and "X. micans", are found, and three other species are primarily western in distribution, "X. varipuncta", "X. tabaniformis orpifex", and "X. californica".
Split into simpler sentences: In the United States, two eastern species, "Xylocopa virginica" and "X. micans", occur. Three more species are primarily western in distribution, "X. varipuncta", "X. tabaniformis orpifex", and "X. californica".