Somatochlora brevicincta
Somatochlora brevicincta is a dragonfly of the family of dragonflies Falk ( Corduliidae ), which belong to the dragonfly ( Anisoptera ).
Features
The imago of Somatochlora brevicincta measures 47-50 millimeters, of which 28 to 31 millimeters on the abdomen (tummy ) account, which is relatively small within the genus. Color, the abdomen is very dark. During the first segment is dark brown and the second segment, except for the black Auricula is brown is the rest of abdomen black. In addition, the abdomen Coats a dark pattern. This includes the base of the third segment and brownish a respective spot on the front sides of the segments with four eight. The latter are significantly larger than in the males with the females at the beginning. The Intersegmentalhäute the first two segments, and the eighth and ninth segment are slightly lighter than the segments themselves and thus contribute to the patterning. In addition, in females the tenth segment at the transition to the Cerci is yellowish. The Cerci themselves are black. Small hairs start from the middle of the third segment and occupy the rest of the abdomen. From the third segment of the abdomen widens and narrows from the sixth to the eighth turn, then on the ninth and tenth one more time to swell.
The chest (thorax ) is as usual in the genus metallic green. In addition, he is busy with brownish hair. The drawing consists of an elongated bright yellow dot on the Mesepimeron. The legs are black except for the neck and parts of the femur. The hind wings measure 29 to 31 millimeters. The wings are transparent, only the region around the Analdreieck is amber in males. The Flügelmal ( pterostigma ) is yellow-brown and the Fügeladerung is black.
In the face of the labium and the Anteclypeus is bright yellow. In contrast, the labrum, the vertex, the occiput, head back and Postclypeus is black. The latter also has at its center a yellow marker.
Distribution and flight time
The species is particularly common in Canada. In the United States it is known only in Maine. She flies from June to September.