Species-wide homogeneity of nuclear ribosomal ITS2 sequences in the spider mite Tetranychus urticae contrasts with extensive mitochondrial COI polymorphism

acarina adn citocromos cytochrome cytochromes dna enzimas enzyme enzymes filogenia mitochondria mitochondrie mitocondria mononychellus nucleotide nucleotides pcr phylogenie phylogeny polimorfismo polymerase chain reaction polymorphism polymorphisme ribosomas ribosome ribosomes tetranychus tetranychus urticae tetranychus viennensis