CHE REFERENCE LIBRARY - Pole Shift Survival Information

the spring. Dusting the foliage with sulfur will kill the redspitler
.
PEA It I’SYbL.4. - The pear psylla (Pqlln pyricola.) is a minute
yellowish flat-bodied sucking insect that occasionally attacks
the foliage of nursery pear trees early in
the season. The psyllas develop into minute
cicada-like jumping lice. The young psyllas
serbrcte a sweet sticky honey dew in which
a peculiar black fungus grows, giving the foliage
a sooty appearance. There may be four
broods annually.
d
(votttrob. - Spray for the adult psyllas, dur-
Fro. 223.
~~iA~d pl:m1-hug. T”r- ing warm p&iods in December or March, with
tobacco extract, il. of a pint in 100 gallons of
water, with 5 pounds fish-oil soap added. Good results have
b~crl (Maii~ed l)>v making an application of lime-sulfur solution
1 to 8 just after the leaf-buds open in the spring. If the psyllas
appear 011 t,hc new foliage, make another treatment with the
tt~bil(‘~‘O an(i SOlip solution.
‘C.u-PJIHIiI:I) l~LANT-nvG. - This sucking bug (Fig. ,323)
attwclis m:tny species of plants. In feeding, it punctures the
buds and tender growing tips and sucks the juices. Peach
nurseq stock is often seriously injured. The bugs kill the
tender tips, cnusing the tree to throw out lateral branches
which are ill turn similarly injured, causing an overbranched
stwittvl tree. l’tw a1d apple st.od c are often attacked but
seem alA to outgrow t.he iujury more easily than peach trees.
This irlscbc*t is of grtxt importance in spreading the fire-blight
bacteria in :qq)le, pear and quince trees. The adult tarnished
plant-bug is ahout !j inch in length and colored a dull yellowish
or greenish, ruottlcd with rctldish brown. The species is Lyg us
pr& tia is.