Promachus yesonicus
Promachus yesonicus, or shioya-abu (塩屋虻, シオヤアブ) in Japanese, is a species of robber flies. In Japanese, "shioya" means a salt merchant (someone who makes or deals in salt), and "abu" means a horse-fly. This insect is called "shioya-abu" because the males have a white tip to their tail that resembles salt.
| Promachus yesonicus | |
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| Species: | P. yesonicus |
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| Promachus yesonicus (Bigot, 1887) | |
Distribution
Promachus yesonicus is found throughout Japan from Hokkaido to Okinawa. They are visible from June to September.
Description
Male Promachus yesonicus have a white cotton-like bud at the end of their tails, while females do not. Adults can reach 23–30 millimetres (0.9–1.2 in) in length.[1]
Female in Tokyo, Japan
Male in Japan
References
- （学研の図鑑）昆虫 (in Japanese). Tokyo, Japan: Gakken. 1986. p. 102. ISBN 4-05-102259-5.
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