Triacanthagyna caribbea

Williamson, 1923

Caribbean Darner

Triacanthagyna caribbea is a of darner in the Aeshnidae, described by Williamson in 1923. It is to the Caribbean region, with confirmed records from Colombia (departments of Antioquia, Bolívar, Magdalena, and Sucre) and broader Caribbean distribution. The species is part of the Triacanthagyna, which is characterized by three-spined abdominal appendages in males. As with other aeshnids, it is likely a strong flier adapted to tropical environments.

Pronunciation

How to pronounce Triacanthagyna caribbea: /ˌtraɪəkænˈθædʒɪnə kəˈrɪbiə/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Members of the Triacanthagyna are distinguished from other Aeshnidae by the presence of three distinct spines on the male (paired claspers at the tip). Specific identification of T. caribbea requires examination of male terminal appendages and comparison with . The may be differentiated from other Caribbean Triacanthagyna by subtle differences in abdominal patterning and appendage , though detailed comparative descriptions are limited in available literature.

Habitat

Tropical freshwater typical of aeshnid , including streams, rivers, and associated wetlands. The Colombian records suggest occurrence in lowland to foothill regions of the northern Andes Caribbean slope.

Distribution

Caribbean region. Confirmed present in Colombia: departments of Antioquia, Bolívar, Magdalena, and Sucre. Broader Caribbean distribution indicated but specific island records require verification.

Similar Taxa

  • Triacanthagyna septimaOccurs in overlapping Caribbean and Central American range; distinguished by male appendage and abdominal color pattern
  • Triacanthagyna trifidaAnother Caribbean ; separation requires detailed examination of male structure and wing venation

Tags

Sources and further reading