title: Pictorial key to the adults of hard ticks, family Ixodidae (Ixodida: Ixodoidea), east of the Mississippi River.
abstract: Six genera and 27 species of hard ticks (Ixodidae) currently are recognized in the United States east of the Mississippi River as follows: Amblyomma (4 species), Boophilus (1), Dermacentor (3), Haemaphysalis (2), Ixodes (16), and Rhipicephalus (1). We present a diagrammatic couplet key to the adults of the six genera and 27 species of Ixodidae found in the eastern portion of the United States.
authors: J E
authors: JE
authors: Keirans
authors: T R
authors: TR
authors: Litwak
mesh_terms: D000818:Animals; D001096:Arachnid Vectors / Q000033:anatomy & histology* / Q000145:classification; D005260:Female; D008193:Lyme Disease / Q000635:transmission*; D008297:Male; D013987:Ticks / Q000033:anatomy & histology* / Q000145:classification; D014481:United States