R. A. Cooley, Glen M. Kohls, Amblyomma philipi: A New Tick from Texas and Mexico, with a Key to Known Species of Amblyomma in the United States (Acarina: Ixodidae), Public Health Reports (1896-1970), Vol. 54, No. 2 (Jan. 13, 1939), pp. 44-47
No takes yet. Share an insight, caveat, or question.
Cooley et al. (1939) studied this question.