Rhyacionia (genus)
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Author(s): Gyorgy Csoka, Hungary Forest Research Institute
Source: IPM Images
Rhyacionia Hübner, 1825 - (pine tip moths)
This genus of small tortrix moths contains around 50 species. They are common on pine trees in temperate and subtropical regions of the northern hemisphere, where the genus appears to have originated. Some are also found in tropical regions and Rhyacionia buoliana has been introduced into North and South America.
The larvae feed inside the shoots, buds and developing pine cones. Often they produce webbing between the needles. Several species can cause serious damage to young pine plantings, for example the Nantucket pine tip moth, Rhyacionia frustrana. The results of infestations include stunting, irregular growth of the trees and in some case death of the tree.
Often there is only one generation per year, but 5 generations or more have been reported from warmer areas. Typically, the forewings of the adults have a wingspan of 15-20 mm and a distinct pattern of orange and light areas. In cooler regions, the pupae or the larvae are the overwintering stage.
Type species: Rhyacionia buoliana
Currently, the following species have been entered into the system:
