Tabanus sp. - Horse Fly
Northern Sierra Nevada, California, USA

photograph © Alex Wild 2004

A horse fly hovers, defending his territory on a hilltop in Northern California

USA, CA, Nevada Co.: Carpenter Ridge, 39º25'N 120º20'W, 2610m
Open red fir forest along ridge top, 1000hr.

This image is copyrighted by the photographer and cannot be used without permission. To obtain permission to use this image, please email Alex Wild. (alwild (at)  Most of the photographs on are reduced from their original size and compressed for more efficient web transmission.  In some cases, higher quality versions are available.

This image was captured with a Canon EOS D60, with a Canon 100mm 2.8 Macro USM lens.