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  Researches: Stilbum cyanurum
Shooting (with the camera) to a Stilbum cyanurum.

Text and photos by Alessio Perboni.

zoom click images to enlarge them.

Stilbum cyanurum
Stilbum cyanurum
Stilbum cyanurum
Stilbum cyanurum
Stilbum cyanurum
1
2
3
4
5

6
7
8
9
10
Stilbum cyanurum
Stilbum cyanurum
Stilbum cyanurum
Stilbum cyanurum
Stilbum cyanurum

The images have been taken with a digital camera (Canon PowerShot A70) and an enlarger lens mounted in front of the camera's lens.

The subject is a male of Stilbum cyanurum (Förster, 1771), which presents a variable coloration according to the shooting direction, with beautiful red reflexes on the gaster (see photo #4). These glares are visible on many specimens coming from the center-north Italy, making them apparently similar to the species Stilbum calens (Fabricius, 1781).

In the photo #7 the characteristic anal edge is visible, blue-metallic in color. In the photo #10 the brow carina is visible, particularly glaring.

The photos #1-4 show the Stilbum hunting for nectar on flowers of Celosia argentea L. (Family: Aramanthaceae). The remaining photos show the Stilbum in activities of self-care for head and legs, resting on a leaf.

Although it was constantly pushed away from the ants (see photo #3), the Stilbum was flying and landing back to the flowers, after regular and slow flights, also because of the spoiled margins of the wings. Moreover, it wasn't particularly disturbed by the presence of the photographer.

Stilbum cyanurum (Förster, 1771)

Tech data :

Canon PowerShot A70 with enlargement 105mm; natural light and free hand; ISO 50; times from 1/100" to 1/320"; diaphragms from f/6.3 to f/8.0.

near Lecco, Italy
Summer 2004

 



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