Other Common Names
gooseberry-Currant Stem Girdler
Larvae bore Ribes stems. It eats, or girdles, the tips of new shoots causing them to die and fall off.
Adults emerge from the middle to the last of May in New York. The female punctures a cane a few inches from the tip and inserts an egg into the pith. Eggs are yellowish-white elongate ovals. Eggs hatch in about eleven days. They become full-grown about the first of September. Hibernate as larvae wrapped in a silken cocoon. Pupate in early spring and emerge a few days later
The introduced ichneumonid Collyria coxator
is used as biocontrol.