78 



American Midland Naturalist Monograph No. 1 



HOSTS AND DISTRIBUTION 



Known only from bats or bat retreats. 



California. — 17856, from rock crevices in mine tunnel, May 20, 1940, 15 

 miles northeast Yuma, Arizona, 1 male, 2 nymphs. 



Fig. 35. Ornithodoros yumalensis Cooley and Kohls. A, Capitulum of larva, ventral 

 view. B, Capitulum of male, ventral view. C, Leg I of adult. D, Leg IV of adult. 

 E., Hypostome of male. F, Hypostome of female. G, Larva, dorsal view. 



