TY - JOUR JF - Acarologia T1 - Size variation in the adult American dog tick Dermacentor variabilis Say (Acarina: Ixodidae) VL - 16 IS - 2 SP - 214 EP - 219 PY - 1974 SN - 0044-586X SN - 2107-7207 PB - Les Amis d'Acarologia AU - McEnroe, W.D. UR - https://www1.montpellier.inrae.fr/CBGP/acarologia/article.php?id=3206 DA - 1975-01-31 KW - Acari KW - Ixodidae KW - Dermacentor variabilis KW - size variation KW - numerical taxonomy AB - Numerical taxonomy and probit analysis have shown a series of populations of the American dog tick, Dermacentor variabilis Say, to have distinct morphological variability. It is postulated that this variability is the result of natural selection and not the result of neutral or random drift. ER -