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Golden-ringed dragonfly; Libélula tigre

Cordulegaster boltonii

Description:

Big dragonfly of mighty flight that we can see in mountain streams. Its presence is an indicator of water quality, since it only inhabits in clean waters and currents. It measures about 8 cm in length, the female somewhat more due to its long ovopositor of about 5 mm. Their yellow stripes in the form of rings provide one of their common names, Golden-ringed dragonfly. Gray-green eyes. The thorax is marked on the sides by three fairly wide yellow bands and a narrow and incomplete yellow band. The abdomen is black with yellow rings. The first abdominal segment laterally presents a yellow mark in the form of C or triangular.

Habitat:

Oak forest (Q, pyrenaica). Reserva de la Biosfera del Real Sitio de San Ildefonso-El Espinar.

Notes:

Camera Model: NIKON D500. Exposure Time: 1/640 sec.; f/13; ISO Speed Rating: 800. Focal Length: 300.0 mm. No flash fired. DSC_2601

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Comments

arlanda
Spotted by
arlanda

Castilla y León, Spain

Lat: 40.71, Long: -4.23

Spotted on Jul 1, 2018
Submitted on Nov 14, 2018

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