Nymphs are pale grey, with the early instars having a red tinge and the late instars having red streaks on the legs and a red line between two of the segments on the abdominal dorsum. In captivity it tends to cannibalize unless provided with hiding places. D. Boyd Adults overwinter in protected places such as under bark. With onset of warmer weather and appearance of new leaves, eggs are laid in the petioles and midveins. This bug has five nymphal stages.
Adults track a succession of plant species, according to prey availability.
Relative Effectiveness Wheeler et al. Little work has been done with D. nebulosus in the field. Conservation Use of target-specific pesticides only after a pest reaches an economic threshold will help conserve D. nebulosus. For general information about conservation of natural enemies, see Conservation in the Tutorial section on this site, or the Volume II, No. 1 Feature Article on conservation in the Midwest Biological Control News Online.