Peach Twig Borer vs California Root Borer

Side-by-side species comparison

Attribute Peach Twig Borer California Root Borer
Scientific Name Anarsia lineatella Prionus californicus
Order Lepidoptera Coleoptera
Family Gelechiidae Cerambycidae
Size 12-16 mm wingspan 35-60 mm
Habitat Orchards Orchards
Diet Fruit Feeders Root Feeders
Regions North America, Europe, Central Asia Western United States, British Columbia
Conservation Not Evaluated Least Concern

Peach Twig Borer

A small gray moth whose larvae bore into new shoots and developing fruits of stone fruit trees. It is a key pest in peach and almond orchards.

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Did You Know?

Overwintering larvae create small shelters called hibernacula in the crotches of tree branches.

California Root Borer

A massive prionine beetle found in western North America, one of the largest beetles in the region. Males have conspicuously large, serrated antennae. Larvae are root borers that attack both living and dead trees.

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Did You Know?

Larvae of this species have been found feeding on roots over 2 meters deep in the soil.