Uracis

Uracis
Uracis imbuta
Systematics
Order : Dragonflies (Odonata) Subordination : Dragonflies (Anisoptera) Superfamily : Libelluloidea Family : Libellulidae (Libellulidae) Subfamily : Brachydiplacinae Genre : Uracis
Scientific name
Uracis
Rambur , 1842

Uracis is a genus ofdragonflies inthe subfamily Brachydiplacinae and wasfirst describedby Jules Pièrre Rambur in 1842. The distribution area extends from southern Mexico to southeastern Brazil .

features

Uracis species are medium-sized dragonflies and grow to be 28 to 40 millimeters in size. The color of the abdomen of colored males is mostly bluish with a grayish-white coating. The part of the thorax to which the wings attach, the so-called pterothorax, is greyish, but with age takes on the same bluish color as the abdomen. The wings are transparent except for the brownish colored wing tips. It can also happen that the wings have brown ribbons due to polymorphism . The Postfrons , like the vertex black. There are also two tubercles on the vertex , which make it possible to distinguish them from Ypirangathemis species. Similar to representatives of Erythrodiplax , Nannothemis , Pseudoleon and Ypirangathemis , the last segment of the vesica spermalis is long and cylindrical.

Systematics

The genus was first established in 1842 by Rambur based on the Libellula imbuta . The following species belong to the genus Uracis :

• Uracis fastigiata
• Uracis imbuta
• Uracis infumata
• Uracis ovipositrix
• Uracis reducta
• Uracis siemensi
• Uracis turrialba

Individual evidence

1. ^ ^{A b} Garrison, von Ellenrieder , Louton: Dragonfly Genera of the New World [p. 281f], Johns Hopkins University Press, 2006, ISBN 0801884462
2. ↑ Henrik Steinmann: World Catalog of Odonata (Volume II Anisoptera) [p. 362ff], de Gruyter, 1997, ISBN 3-110-14934-6

Web links

Commons : Uracis  - collection of images, videos and audio files