Blackfoot news. (Blackfoot, Idaho) 1891-1902, 1897-06-12

fcerya purchase in California The saa
lose scale. so destructive in The United
States. attracts so little
wherever Il originally cane from. mat
We 90 4 I, 10 this day know Win any
certainty its original habitat speeies
closely allied 10 the San Jose scale,
natives Of the United States. are nct
nearly 50 destructive. The red scale OF
the grange, Aspldioius aurAatti = "a
mAiea never infesss citrus fruits, but
occurs on hgnum-yttae and palms Q
different are lis habits in California
In Japan there Is = scale almost sA
aetly identical with the san Jose scale
which infssts citrus trees, which ne
real san Jose scale never does in Amer
Ira Therefore. in view o. such facts As
taese, we can fairly say that Sc never
know what re are in for, when We II
trotuce = mes scale. A traveller. bring
ing . little ornamental plant IN a pot,
may unwittingiy ruin = great hoEti-
cultural industry. Most Of The worst
seales are general feeders, and are ma
BE 20 spread from garden or even hot
hslse plants 70 orchards
Climatic barriers cannot Always De
trusted. The rapid spread Of Some
scale insects shows that hey can en-
dare great differences Of climate. While
tse climatic barriers 10 the spread 81
some species are real ard Important
Il viii rot DO 70 trns; too mueh 20 them
!; is probable that the very rapid -
production o. eoecidae enables them %
quickly Adapt themselves 20 changes o.
climate. through the survival n he It
test. Thus II there are 4 million seztss
in an orchard which Is touched by frost
y only one ETayid female survives y
will sufiee 20 eventually restock The
orchard. and with a Comparatively
frost-proof race. Be this As IL may, TIE
peach scale. D!aspis amygdali hourtah-
IS equally AZ washington. d e. ard 10
the tropics. and many Others could y
cited which endure great differences
OF climate In different part q .EsiT
range.
Il wiIl now be useful 20 consider tas
countries from which ~ are laoIr "a
Be infested. From Europe We nay RI
pect many pests CT shade trees and ke-
eiduous frui, trees especially. For FL.
ample. We have already received he
maple Phenacoccus. the elm GrEy.
paria. the Ss~ York plum sale 10.
eailsdl. the Lscaniun hituhsreuls I'm
etc. Il must also be remembered ihaI
s~emI-tropieal scales may and unclea
tiorably do. spread by way Of En-cp.
can lighthouses: in this way. To- sK'
ample, ortheEia iusignis. a destrutt -
West Indian species. was uni0utt sdll
introduced into Ceylon.
From the West ladies and Hs-'-,
countries We may expect sspec.atlI
pests Of citrus fruits. Of cotton. cgfa.
: cane. etc: also the peach scale. Ttas2l
amygdali. which has already ricte,
I this country. A further explorat Id 3
Mexico and most Of the West rdar
! islands II urgently needed. to de;f7 n n
the kinds Of insect pests there crdr
ring. From Japan. perhaps. re stant
in most danger. The climatic eJLdi
tons permit the growth OF the SAN
species Of fruit trees as are grt " II
America. and o, late japanese variable
; have become very popular. and kav
: been imported In quantity. The eeael
scale. Diaspis amygdali. IS conn OF ii
Japan, and there are many other in
I furious species. Unfortunately GU
knowledge OF japanese scale Insects i
yet In its Infancy. and someone ough
: to be sent there for a year 10 stu ~ III
subject on the spot. Some mi triou
& species my also come from Australia
= New Zealand. the Sandwich lsland'
d and in fact any place whence plant
. are brought. Especial care shot.Id /
taken to prevent the introduct'o on Q
AsteroIecanium p~ustuslans frou, tn
Sandwich Islands: It already exists Il
Florida. and f. common also 10 th
West Indies. II especially Infes 5 ole
ander,