Spittlebugs - Clastoptera juniperina

Spittlebug nymph with spittle mass
Gerald J. Lenhard, Louisianna State University, www.ipmimages.org


HOSTS: Juniper, arborvitae, alder, oak.

DESCRIPTION: Nymphs are dark yellow to green and can be found buried in the spittle mass that they produce. Adults are rarely seen, but are 1/4 inch long, oblong-shaped, and light brown with some mottled patterning.

LIFE CYCLE: Eggs are inserted in twig tips in early summer; this is where they overwinter. The eggs hatch in late spring and nymphs begin to feed on plants with their piercing/sucking mouthparts. As they feed, they excrete fluid in the form of bubbles that completely enclose the body in the characteristic spittle mass. Development is completed in about 1 month. Adults do not produce spittle masses and are inconspicuous.

CONTROLS: Wash off with soapy water.


Missoula County Extension Office; Missoula, Montana 59808 - Updated for 2006