California Root Borer vs Citrus Spittlebug

Side-by-side species comparison

Attribute California Root Borer Citrus Spittlebug
Scientific Name Prionus californicus Clastoptera undulata
Order Coleoptera Hemiptera
Family Cerambycidae Clastopteridae
Size 35-60 mm 4-6 mm
Habitat Orchards Orchards
Diet Root Feeders Sap Feeders
Regions Western United States, British Columbia Southeastern United States, Mexico
Conservation Least Concern Least Concern

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.

💡

Did You Know?

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

Citrus Spittlebug

A small oval-shaped spittlebug with dark brown and cream banding. Nymphs produce frothy spittle masses on pecan, citrus, and other trees throughout the southeastern United States.

💡

Did You Know?

Spittle masses produced by the nymphs can be so abundant on pecan trees that they rain down on people walking beneath, giving the impression of a light drizzle.