Hybomitra aterrima
Hybomitra aterrima is a species of horse flies in the family Tabanidae.[4][5] DistributionThis species can be found in most of Europe (Austria, Bosnia, Croatia, France, Germany, Greece, Italy, Republic of Macedonia, Romania, Spain and Switzerland).[6] DescriptionHybomitra aterrima can reach a length of 13–16 millimetres (0.51–0.63 in).[7] The body is black and the wings are transparent, with a small dark patch at the base of the vein R4.[7][8] Face is black haired, with high antennal bows. Palpi are blackish with black hairs. The compound eyes are well-developed in both sexes. They have an iridescent light green pigmentation, with three blue-reddish transversal bands.[7][8] The Hybomitra aterrima var. auripila (Meigen) has the abdominal tergites more or less distinctly golden-yellow pubescent on posterior margins.[8] BiologyMales of these horse flies feed on plant juices, while female are bloodsuckers,[7] feeding mainly on mammalian blood, as they require a blood meal before they are able to reproduce. They may be very annoying for cattle, but usually they do not bite people.[7] References
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