''Zeiraphera ratzeburgiana'', the spruce bud moth or Ratzeburg tortricid, is a moth of the family Tortricidae. It is found from northern and central Europe to eastern Russia and

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

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Gansu Gansu (, ; alternately romanized as Kansu) is a province in Northwest China. Its capital and largest city is Lanzhou, in the southeast part of the province. The seventh-largest administrative district by area at , Gansu lies between the Tibet ...

, Qinghai).Catalogue of Eucosmini from China (Lepidoptera: Tortricidae)
/ref> ''Zeiraphera ratzeburgiana'' is a taxonomically similar species to ''

Zeiraphera canadensis ''Zeiraphera canadensis'', the spruce bud moth, is a moth of the family Tortricidae. It is a small brown moth mainly found in North America, specifically New Brunswick, Quebec, and the north-eastern United States. The adult moth flutters quickly ...

'' and can only be distinguished by an anal comb found in ''Z. canadensis.'' The wingspan is 12–15 mm. Adults are on wing in July and August. The larvae mainly feed on '' Picea abies'', but has also been recorded on '' Picea sitchensis'', '' Picea smithiana'', '' Pinus sylvestris'', '' Pinus pinea'' and '' Abies cephalonica''. The larvae penetrate into the buds of the host plant and feed on the needles and eventually on the growing point. Malformation of the bud causes the young shoot to bend which severely damages the growing point. Larvae can also attack the female blossom and damage the young cone.

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Eurasian Tortricidae
Eucosmini Moths described in 1840 Moths of Japan Moths of Europe {{Eucosmini-stub