In most areas, galls have already split open to release adults. With the pecan stem phylloxera the new adults will not lead to any additional infestations this year. Insecticide applications for phylloxera should be applied in the spring just after budbreak. Where phylloxera are heavy make note of the area now and write yourself a reminder for next spring. There are many species of beneficial insects that are associated with pecan.
Young nymphs have black abdomens and a red thorax.
Older nymphs are all gray. Adult wheel bugs are about 1.5 inches long with a cog-shaped structure on the thorax. These insects feed on a wide range of other insects including aphids, sawfly larvae, and large caterpillars. Several species of lady beetles and lacewings are also common in trees now. Lady beetles and lacewing larvae are major predators of aphids and should be conserved.