Strongylus

In one species, for instance, Strongylus vulgaris, the larva crawls to the top of blades of grass and lies in wait for a horse to graze by.

Parasite Rex Carl Zimmer 2009

Sukhdeo suggests that the strange trip of Strongylus is just an evolutionary relic.

Parasite Rex Carl Zimmer 2009

Sukhdeo suggests that the strange trip of Strongylus is just an evolutionary relic.

Parasite Rex Carl Zimmer 2009

Suzanne Sukhdeo has sorted through the close relatives of Strongylus and she has come to a working hypothesis for how this pilgrimage came to be.

Parasite Rex Carl Zimmer 2009

In one species, for instance, Strongylus vulgaris, the larva crawls to the top of blades of grass and lies in wait for a horse to graze by.

Parasite Rex Carl Zimmer 2009

Suzanne Sukhdeo has sorted through the close relatives of Strongylus and she has come to a working hypothesis for how this pilgrimage came to be.

Parasite Rex Carl Zimmer 2009

Suzanne Sukhdeo has sorted through the close relatives of Strongylus and she has come to a working hypothesis for how this pilgrimage came to be.

Parasite Rex Carl Zimmer 2009

In one species, for instance, Strongylus vulgaris, the larva crawls to the top of blades of grass and lies in wait for a horse to graze by.

Parasite Rex Carl Zimmer 2009

Sukhdeo suggests that the strange trip of Strongylus is just an evolutionary relic.

Parasite Rex Carl Zimmer 2009

So was it here; for a Strongylus, attracted by the odour, alighted on the fungus as I carried it in my hand.

Journal of researches into the geology and natural history of the various countries visited by H.M.S. Beagle 2003