title: Thelytoky in the American dog tick, Dermacentor variabilis (Acari: Ixodidae).
mesh_terms: D000818:Animals; D003870:Dermacentor / Q000502:physiology* / Q000648:ultrastructure; D005260:Female; D007621:Karyotyping; D009866:Oogenesis; D010312:Parthenogenesis; D013987:Ticks / Q000502:physiology*