title: Tick-host relationships. 3. The effect of photoperiodic pre-conditioning on the circadian rhythm of "drop-off" of engorged pre-imaginal stages of the tick Hyalomma excavatum (Koch, 1844) from the gerbil--Meriones tristrami.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D002940:Circadian Rhythm; D003213:Conditioning, Psychological; D005849:Gerbillinae; D010775:Photic Stimulation; D013987:Ticks