Other mechanisms of spread were considered possible but less important than fleas.
Vibrations caused by human movement liberate adult fleas from pupae hidden in cracks leading to attacks by hungry fleas.
After treatment with insecticide to remove fleas, 9 or 10 rabbits were housed in each pen.
The effect of host density on ectoparasite distribution: an example of a rodent parasitized by fleas.
There was a preponderance of female fleas available during the first days of emergence from a batch of cocoons.
The fleas, after a few minutes, will be found dead at the bottom of the receptacle or among the hairs and feathers.
A certain number of fleas will probably emerge at once from it; but there will be many larvae and pupae still in the nest.
We found no positive association between infection rates and the presence of ectoparasites (fleas or ticks).
