The climber uses rope and saddle to safely maneuver around a California
sycamore during a pruning operation.
wax scale, Cerococcus quercus, is a sucking insect. This colony was found
on a mesa or Engelman oak, Quercus engelmannii. Its primary hosts are scrub
oaks (Q. dumosa & Q. berberidifolia). They are about 4 to 4.5 mm in diameter.
A scale may be commonly found with a small circular hole in the outer shell indicating
it has been parasilized (where a predatory insect has used the scale in its own
reproductive cycle). The scale has a minimal affect on its host. Spraying is not
recommended as it upsets the natural balance, killing the predator as well as