The Northern Eyed Hawkmoth (Smerinthus caecus) usually has only one flight per year from May to August, depending on local conditions. In some parts of its distribution there may be a (partial) second flight. This species is very similar to and often confused with the much more common Eyed Hawkmoth (Smerinthus ocellata). Caecus occurs throughout Russia, from St.-Petersburg and Moscow east to the Russian Far East and even further to northern Japan. They can also be found in Mongolia, northern China and parts of North and South Korea. The species is a little bit smaller then ocellata, with a wingspan between five and seven centimeter.
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| Smerinthus caecus - Origin: Russia |