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 Martin. 1909 Martin. 1909 [1291,2004,1800,1837] Insecta Aeshnidae Gynacantha Animalia Odonata 7 64 Arthropoda species articularis  Material (♂, 1♀i').  4♂, 1♀. Base Camp;  1♂, Siapa 2  Remarks. During the day specimens were sit. ting on thin stems of bushes in the forest. When disturbed they fiew to other bushes some ten meters away. At about 0 6 40 h p.m. they fly through open spaces to feed, but disappear again at about 0 7 h p.m. The female was collected in the after· noon when ovipositing into the base of a small tree in a dry hollow. This hollow will doubtless be filled with water in the rainy season. The male from Siapa 2 was found entangled in a mist net. 2433522122 [1755,2170,1863,1901] 1989-02-14 1989-03-06 1989-02-14 MIZA J. DeMarmels & A. Chacon Venezuela 160 2.036111 Base Camp and surroundings, on the upper Rio Mavaca, left bank -65.113884 7 64 5 1 4 Amazonas 2433522154 [1292,1507,1914,1953] 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 1 1 Amazonas