Erythemis collocata

Erythemis collocata

The Erythemis collocata is a dragonfly of the genus Erythemis of the subfamily Sympetrinae. Its distribution area extends across the western United States and Mexico The status of the species is partly controversial, and it is considered by some as a subspecies Erythemis simplicicollis collocata. But in the latest releases it is currently regarded again as an independent art

Features

Construction of Imago

The face of Erythemis collocata is like the thorax green, but the males with age ash blue. This color change begins with the abdomen, thorax and ends on lasts a total of 17 intermediate stages two to three weeks. The abdomen is in front of the coloring of the males, as in females, black with green spots on segments four to six. The cerci are black.

Full grown achieve the animals a length 39-42 mm, of which the abdomen occupies 23 to 30 millimeters. The wings reach a size 30-33 mm and are transparent. The animal has eleven to twelve and nine Antenodaladern Postnodaladern.

Construction of the larvae

The larvae reach lengths of 15 to 17 millimeters and are colored green. Your abdomen is round in shape and has no bristles and spines.

Nutrition

The larvae feed on aquatic insects, such as mosquito and fly larvae. But they also eat small fish and tadpoles. The adult animals eaten by termites, moths over butterflies to mosquitoes all flying insects that do not have too much armor.

Scientific description

The first description of the type supplied Hermann August Hagen under the name Mesothemis collocata 1861 based on a male from Texas. The holotype is now in the Louis Agassiz Museum of Comparative Zoology. While Philip Powell Calvert classified the type of variation, classified Richard Anthony Muttkowski it in 1910 the same down to the subspecies. The classification as a subspecies also attacked Friedrich Ris 1911. See later descriptions Erythemis collocata However, again as an independent art