Dragonflies (Odonata) From The Sierras Of Tapirapeco And Unturan, In The Extreme South Of Venezuela DeMarmels, Jurg Acta Biologica Venezuelica 1992 14 1 57 78 3HVSV (Rambur, 1842) Rambur 1842 [1291,1935,2525,2562] Insecta Aeshnidae Gynacantha Animalia Odonata 7 64 Arthropoda species bifida  Material.  3♂, 1♀, Siapa 2  Remarks. These and some additional specimens were flying across a large deforested area on the left bank of the river, also between half past six and seven. in the evening. 2433522113 [1526,1845,2587,2627] 1989-02-23 1989-02-25 1989-02-23 MIZA J. DeMarmels & A. Chacon Venezuela 500 1.7194445 Siapa 2 (upper Rio Siapa) -64.530556 7 64 4 1 3 Amazonas