Beris morrisii

Beris morrisii
	Beris morrisii
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Stratiomyidae
Subfamily:	Beridinae
Genus:	Beris
Species:	B. morrisii
Binomial name
	Beris morrisii; Dale, 1841[1]

Beris morrisii, the yellow-legged black legionnaire, is a European species of soldier fly.[2]

Description

Length 6.0 to 7.0 mm with narrow frons and face and antennae that are inserted well below the middle of the head profile. 3rd segment of antennae equal to or slightly longer than basal segments together. Face with light-colored pubescence. Yellow thoracic pile and yellow halteres. Uniformly yellow legs except for dark tarsi (basitarsi often yellow in the females). Wings hyaline or slightly yellowish, with distinct brown pterostigma. Outer margin of epandrium pubescent.[3][4][5]

Biology

The Flight period is May to September.Beris morrisi Larvae have been found in tunnels of Cheilosia canicularis Panzer (Syrphidae) in rhizomes of Petasites.

References

Dale, J.C. (1841). "Beris Morrisii of Curtis's Guide". Entomologist. 1: 175.
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.
Séguy, Eugène (1926). "Diptères Brachycères". Faune de France. 13: 308 p., 685 fig.
Verrall, George Henry (1909). "Stratiomyidae and succeeding families of the Diptera Brachycera of Great Britain". British flies. 7. Retrieved 16 December 2022.
Narchuk, E. P. (1988). Bei-Bienko, G. Ya (ed.). "Stratiomyidae". Keys to the insects of the European Part of the USSR. 5 (Part 2 English edition).

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[Dale1841-1] Dale, J.C. (1841). "Beris Morrisii of Curtis's Guide". Entomologist. 1: 175.

[2] 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.

[Seguy1926-3] Séguy, Eugène (1926). "Diptères Brachycères". Faune de France. 13: 308 p., 685 fig.

[Verrall1909-4] Verrall, George Henry (1909). "Stratiomyidae and succeeding families of the Diptera Brachycera of Great Britain". British flies. 7. Retrieved 16 December 2022.

[Narchuk1988-5] Narchuk, E. P. (1988). Bei-Bienko, G. Ya (ed.). "Stratiomyidae". Keys to the insects of the European Part of the USSR. 5 (Part 2 English edition).