Osca lata, the coliguacho or black horse fly, is a large horse fly whose range includes southern Chile and southern Argentina.[4][5][6] The fly has a striking reddish-orange coloration on the side of its thorax and abdomen. It is generally around 2 cm. in adult size.[7]
| Osca lata | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Diptera |
| Family: | Tabanidae |
| Subfamily: | Pangoniinae |
| Tribe: | Scionini |
| Genus: | Osca |
| Species: | O. lata |
| Binomial name | |
| Osca lata (Guérin-Méneville, 1835)[1] | |
| Synonyms | |
| |
Like most species of horse flies, the females of Scaptia lata need to feed on mammalian blood before they can produce eggs.[8][9]