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Abstract:
Analysis of the morphological characters of Zeugmatothrips species, all of which feed on fungal
spores in leaf litter and on dead branches in Neotropical rain forests, indicates that there are two species
groups, one essentially northern and the other essentially southern. Vicariant distributions can be
recognised between a few species pairs, but local speciation events appear to have given rise to smaller
groups of related species both in Peru and in southern Brazil. An illustrated key is provided to the 16
members of this genus.
