Cazumatanglibel (Onychogomphus cazuma)
• English name: Cazuma Pincertail
• German name: Valencia-Zangenlibelle
• French name: N/A
• Dutch name: Cazumatanglibel
• Swedish name: N/A
• Norwegian name: N/A
• Finnish name: N/A
• Danish name: N/A
• Italian name: N/A
• Czech name: N/A
• Slovenian name: N/A
• Bulgarian name: N/A
Cazumatanglibel (Onychogomphus cazuma)
Not present
Present before 1990
Present after 1990
Present before and after 1990
Present after 2015
Map data based on J.-P. Boudot & V. J. Kalkman (eds.),
Atlas of the European Dragonflies and Damselflies
| General | • a medium-sized black-and-yellow species which is only known from eastern Spain | |
| Classification | • suborder: Anisoptera (dragonflies); family: Gomphidae | |
| Conservation status | • IUCN Red List Europe: Not Evaluated | |
| Scientific name | • Onychogomphus cazuma (Barona, Cardo & Díaz, 2020) | |
| Distribution | • click or tap the Map button above | |
| Habitat | • rocky streams and small rivers | |
| Dimensions | • typical body length: 43-47 mm; hindwing: 25-30 mm | |
| Notes | • gomphids are 'sitters': they spend a lot of time perched on rocks and vegetation | |
| Both sexes | Head | ➤ like in all other gomphids, the eyes are widely separated |
| • the eyes are typically grey-blue | ||
| ➤ there is a yellow dot on the vortex | ||
| Thorax | ➤ the black lines on the side of the thorax are broad and yet they leave a wide antehumeral stripe; they meet the mid-dorsal black stripe | |
| Male | Abdomen | ➤ the light-coloured lower appendage has neither subterminal knobs nor subbasal knobs |
| Photographs | • all of our photos below were made in eastern Spain in June/July 2021 |
Onychogomphus uncatus (left), forcipatus and cazuma (right)
In O. uncatus the lower appendage is black and bears an upright subbasal knob (red arrow). In forcipatus the lower appendage is lighter in colour and, in addition, bears a subterminal knob (green arrow). In cazuma the light-coloured lower appendage bears a subbasal ridge (blue arrow).
