Lejogaster

Lejogaster
	Lejogaster metallina
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Syrphidae
Subfamily:	Eristalinae
Tribe:	Brachyopini
Genus:	Lejogaster; Róndani, 1857
Type species
	Chrysogaster tarsata; Meigen, 1822
Synonyms
	Liogaster Verrall, 1882; Sulcatella Goffe, 1944;

Lejogaster is a genus of small, shiny, metallic hoverflies.[1][2][3]

Species

L. metallina (Fabricius, 1781)
L. nigricans (Stackelberg, 1922)[4]
L. tarsata (Meigen, 1822)

gollark: You can probably distinguish 4 colors at a decent distance, and switching twice a second seems vaguely plausible, so that's 4 bits a second.

gollark: Can you generate and detect different *colors*?

gollark: Assuming you can switch the light on and off pretty fast, and the magic can respond quickly, you might actually get decent data rates out of it.

gollark: Well, in that case I guess you could do automatic Morse code (or some variant), and if you could make a bright enough light (and maybe focus it on the receiving tower with mirrors or something), that might be longer-range than having to actually see the individual semaphore arms.

gollark: Oh, right. Hmm.

References

Stubbs, Alan E.; Falk, Steven J (1983). British Hoverflies: An Illustrated Identification Guide (2nd ed.). London: British Entomological and Natural History Society. pp. 253, xvpp. ISBN 1-899935-03-7.
Ball, S.G.; Morris, R.K.A. (2000). Provisional atlas of British hoverflies (Diptera, Syrphidae). Monks Wood, UK: Biological Record Centre. pp. 167 pages. ISBN 1-870393-54-6.
Van Veen, M.P. (2004). Hoverflies of Northwest Europe, Identification Keys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 125. ISBN 90-5011-199-8.
Barkalov, A.V. "Syrphidae collection of Siberian Zoological Museum". Novosibirsk, Russia: the Institute of Animal Systematics and Ecology, Siberian Branch of the Russian Academy of Sciences. Archived from the original on October 20, 2008. Retrieved 28 July 2009.

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[Stubbs-1] Stubbs, Alan E.; Falk, Steven J (1983). British Hoverflies: An Illustrated Identification Guide (2nd ed.). London: British Entomological and Natural History Society. pp. 253, xvpp. ISBN 1-899935-03-7.

[atlas-2] Ball, S.G.; Morris, R.K.A. (2000). Provisional atlas of British hoverflies (Diptera, Syrphidae). Monks Wood, UK: Biological Record Centre. pp. 167 pages. ISBN 1-870393-54-6.

[VanVeen-3] Van Veen, M.P. (2004). Hoverflies of Northwest Europe, Identification Keys to the Syrphidae (Hardback). Utrecht: KNNV Publishing. p. 125. ISBN 90-5011-199-8.

[szmn-4] Barkalov, A.V. "Syrphidae collection of Siberian Zoological Museum". Novosibirsk, Russia: the Institute of Animal Systematics and Ecology, Siberian Branch of the Russian Academy of Sciences. Archived from the original on October 20, 2008. Retrieved 28 July 2009.