[Taxacom] Dystiscus

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Hi, friends

If it's possible, does someone can send me a pdf copy of the paper

ROUGHLEY, R. E. 1990. A systematic revision of species of *Dytiscus *Linnaeus
(Coleoptera: Dytiscidae) Part 1. Classification based on adults. Quaestiones
Entomologicae 26:383-557.?

Thanks a lot.

Ronald R. Guimar?es, M. Vet, M. Sc.