title: [Sex ratio in natural populations of imago, Ixodes ricinus L. and Ixodes persulcatus P. Sch. (Ixodoidea, Ixodidae)].
mesh_terms: D000818:Animals; D005260:Female; D007844:Latvia; D008297:Male; D011156:Population Density; D012426:Russia; D012621:Seasons; D012744:Sex Ratio; D013987:Ticks / Q000254:growth & development
vernacular_title: O sootnoshenii polov v prirodnykh populiatsiiakh imago Ixodes ricinus L. i Ixodes persulcatus P. Sch. (Ixodoidea, Ixodidae).