Beris geniculata

Beris geniculata, the long-horned black legionnaire, is a European species of soldier fly.[1]

Beris geniculata
British Entomology illustration
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Diptera
Family:
Stratiomyidae
Subfamily:
Beridinae
Genus:
Beris
Species:
B. geniculata
Binomial name
Beris geniculata
Haliday in Curtis, 1830

Description

Antennae long and placed in the middle of the head or just below.3rd segment of antennae long in female;in male almost two times as long as basal segments together. Thorax metallic green with black pubescence and blue reflections more apparent on the scutellum. Legs black with the knees orange; basal joint of the hind tarsi in the male moderately and equally dilated, longer, than the other four joints together. Wings of both male and female blackish. Abdomen deep dull black, slightly shining on the sides and about the tip. Epandrium with surstyli. [2] Very similar to Beris fuscipes. [3] [4]


Biology

The Flight period is mid May to early September.Beris geniculata is found in damp woodland and riverside habitats, where Angelica sylvestris grows

Distribution

Ireland through North and Central Europe to the East Palaearctic.

See also

References
  1. Stubbs, A. & Drake, M. (2001). British Soldierflies and Their Allies: A Field Guide to the Larger British Brachycera. British Entomological & Natural History Society. pp. 512 pp. ISBN 1-899935-04-5.
  2. Seguy. E. Faune de France Faune n° 13 1926. Diptères Brachycères. 308 p., 685 fig.
  3. George Henry VerrallStratiomyidae and succeeding families of the Diptera Brachycera of Great Britain- British flies (1909)BHL Full text with illustrations
  4. E. P. Narchuk in Bei-Bienko, G. Ya, 1988 Keys to the insects of the European Part of the USSR Volume 5 (Diptera) Part 2 English edition. Keys to Palaearctic species but now needs revision.
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