The Roman History · Amm. 24.8.3

There was this further difficulty, that in those districts where the heat and evaporation are great, every place is infested with swarms of flies and gnats, and in such numbers that the light of the sun and of the stars is completely hidden by them.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
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