Sobre Dipetalonema spiralis (Molin, 1860) (Nematoda, Filarioidea)

The authors give a description of Dipetalonema spiralis (Molin, 1860), based on two samples collected by the C. E. E. L. V. A. in the joints of the hands and feet of Choloepus didactylus (L.) at Piratuba, State of Pará, Brazil, both containing males and females. A study of the literature is made and original drawings are presented.

Contribuição ao conhecimento do gênero Zelurus Hahn (Spiniger auct. ) (Reduviidae, Hemiptera)

In the present paper the authors describe the male and female genitalia of various species of Zelurus (=Spiniger). There were not always obtained reliable specific characters, specially in nearly related species. Futhermore there were studied 59 species and subspecies, from Dutch Guiana, Brazil, Peru, Bolivia and Argentine. New locality records and synonymic notes are given and some allotypes are designated. Eight species and two subspecies, from Brazil and Argentine, proved to new to science.