Catocala johnsoniana

Catocala johnsoniana
kah-TOCK-uh-lah mm jon-SOHN-ee-an-uh
Brower, 1976

Catocala johnsoniana (male). Miracle Hot Springs, 2320'
Kern County, CA Jul 4 1989. Kelly Richers, collector, at uv light.

This site has been created by Bill Oehlke at oehlkew@islandtelecom.com
Comments, suggestions and/or additional information are welcomed by Bill.

TAXONOMY:

Superfamily: Noctuoidea
Family: Noctuidae
Group: Noctuinina
Subfamily: Catocalinae
Genus: Catocala, Schrank, 1802

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DISTRIBUTION:

Johnson's Underwing, Catocala johnsoniana (wingspan: mm), flies in California and possibly other western states.

FLIGHT TIMES AND PREFERRED FOOD PLANTS:

Catocala johnsoniana are usually on the wing in June and July.

The Catocala johnsoniana caterpillar shows a preference for .

ECLOSION:

Adults eclose from pupae at soil surface.

SCENTING AND MATING:

Catocala johnsoniana females emit an airbourne pheromone and males use their antennae to track the scent plume.

EGGS, CATERPILLARS, COCOONS, AND PUPAE:

Eggs are deposited on tree bark in the fall and hatch the following spring.

Larval Food Plants


Listed below are primary food plant(s) and alternate food plants. It is hoped that this alphabetical listing followed by the common name of the foodplant will prove useful. The list is not exhaustive, although some species seem very host specific. Experimenting with closely related foodplants is worthwhile.

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