title: Studies on the variation and morphology of the Ptilonyssus "sairae" complex (Acarina: Rhinonyssinae) from North American passeriform birds.
mesh_terms: D000818:Animals; D001717:Birds / Q000469:parasitology*; D005260:Female; D008297:Male; D008925:Mites / Q000033:anatomy & histology*; D009656:North America; D009666:Nose / Q000469:parasitology