Corythucha coryli

Osborn & Drake, 1917

hazelnut lace bug

Corythucha coryli, the hazelnut lace bug, is a of lace bug in the Tingidae. It is found in North America. The species is associated with hazelnut (Corylus) and other plants in the birch family (Betulaceae). Like other lace bugs, it feeds on plant sap and produces characteristic white stippling damage on leaves.

Corythucha coryli by the Smithsonian. Used under a CC0 license.

Pronunciation

How to pronounce Corythucha coryli: /kɔˈrɪθʊka ˈkɔrɪli/

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Habitat

Associated with hazelnut (Corylus americana) and other Betulaceae in moist, acidic soils, often in riparian areas and upland prairies where plants occur.

Distribution

North America. Documented across much of the United States including Alabama, Alaska, Arizona, Arkansas, California, Connecticut, Colorado, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Massachusetts, Michigan, Minnesota, Montana, Maryland, Mississippi, Missouri, North Carolina, North Dakota, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas.

Diet

Feeds on sap from leaves of hazelnut (Corylus) and related Betulaceae, causing characteristic white stippling on upper leaf surfaces.

Host Associations

Corylus americana - American hazelnut, primary
Betulaceae - birch plants

Human Relevance

May cause damage to hazelnut and ornamental birch plants through sap feeding, though specific economic impact not well documented.

Similar Taxa

Corythucha ciliataAnother Corythucha lace bug, but associated with sycamore (Platanus) rather than Betulaceae
Other Corythucha speciesMany Corythucha are -specific; identification requires association with host plant and detailed examination of wing venation patterns

More Details

Host plant specificity

Lace bugs in the Corythucha are predominantly feeders, with many showing fidelity to particular plant genera or . Corythucha coryli's association with Corylus and Betulaceae is consistent with this pattern.