Enarmonia formosana
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Enarmonia formosana (Scopoli, 1763) - (cherry bark tortrix)
This tortrix moth is widely distributed in Europe, and has been also recorded in North Africa, as well as in parts of North America and temperate Asia. It breeds in the bark of fruit trees like cherry and apple, or in other Rosaceae. The larvae feed inside the bark, forming galleries and causing cankers. Heavy infestations lead to death of branches or even the entire tree, especially if the attack is combined with freezing damage.
There is one generation per year, with the females laying eggs on the bark during late spring and summer. The young larvae tunnel into the bark, forming galleries, and expelling frass tubes, the sign of fresh attacks. The larvae overwinter inside the bark and pupate there in spring, near the exit hole. The adults emerge in late spring. In North America, the release of the egg parasitoid Trichogramma cacoeciae can result in high rates of parasitization (Breedveld & Tanigoshi, 2007).
| Vernacular names | |
|---|---|
| • Deutsch: | Obstbaumrindenwickler Gummiwickler |
| • English: | cherry bark tortrix |
The adult moth has a wing-span of 15-20 mm. The forewings are dark brown to black with many irregular lighter patches, bands and lines. The hindwings are dark grayish brown.
Synonyms:
Grapholita woeberiana
Cnephasia woeberiana
Laspeyresia woeberiana
- Other images of Enarmonia formosana (IPM Images - click to enlarge)
male
male genitalia
female genitalia
