Table 4 (continued)

Pest Species Importance

Rank Total % Jan Feb Mar Apr May Jun Jul Aug Sepe Octr Nov De

Malacosoma sp. 14 11.9 1 S$ 2 2
Tent caterpillar :

Periphbyllus lyropictus is 10 .8

Norway maple aphid

Eucallipterus tiliae 15 10

Linden aphid

Tropidosteptesillicus — 15

Ash bug

Saissetizoleae
Black scale

Leptocorris rubroliteatus
Western box elder bug

Scolytus rugulosis
Shot hole borer

Tinocallis Platani
Elm aphid

?
Hackberry aphid

Trialeurodes sp.
Whiteflies

Gali.co sp.
Sweetgum scale

Hordnia circellata
8lue~Green sharpshooter

Miscellaneous aphids
(Including aphids on
privet, locuse, catalpa,
box elder, pine, haw-
throne, acacia, cedar,
madrone, white alder,
pear, crape myrtle, and
california: berry)

Miscellaneous lepidoptersa
(On sycamore, hawthorne,
mulberry, ash)

Miscellaneous scales -
(On hackberry and hawchorne)

Miscellaneous
(Mites, mealybugs, leaf-
hoppers, weevils, borers,
‘treehoppers and tingids)

Totals 1251 100% 121 151 111 105 38 60a