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. 1993 Nov;23(7):859-64.
doi: 10.1016/0020-7519(93)90050-9.

Speciation patterns of ectoparasites and "straggling" lice

L Ròzsa  1
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Speciation patterns of ectoparasites and "straggling" lice

L Ròzsa. Int J Parasitol. 1993 Nov.

Abstract

Two competing views have been expressed to explain ectoparasite speciation patterns, one emphasizing co-speciation and one emphasizing host-switching. Though recent authors preferred a combination of these views, the available phylogenetic trees cannot be interpreted without revisiting island biogeography theory. Parasite extinction due to a temporal decline in host population size seems to be a prerequisite of subsequent speciation by host-switch. The need for a re-evaluation of "stragglers" (ectoparasites found on non-specific hosts) is emphasized.

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