The Pacific commercial advertiser. [volume] (Honolulu, Hawaiian Islands) 1885-1921, 1905-11-24
By Alexander Craw.

Chairman: AT the request OF Mr.. Swanzy I herewith
present short paper may be OF
OF the Havaian Sugar Planters Association and others en-
gagged the agricultural and horticultural industry OF this
am given to understand few wears ago Hawaii was
plant pests and blight Roses pinks and other
choice lowers could be gathered in abundance free from
bIeh although our flower stores markets and vendors even
have liberal supply and famed their
wealth OF flowers done uD bouquets and other
devices to decorate departing returning This
beautiful and peculiar Hawaii 1t
usual sight the native and going work
flowers encircling their hats
ecs naturally feel grieved for any injury done the
beautiful but when the financial interests OF
unity by such imported insect pests and blgts
efforts Immediately devised exerinate them
troll their destTuctivenes Ihs has usually been recourse
nsectcda1 solutions the form OF sprays. posons
applied the infested plants by covering the
plants with air tight tent or canvas and applying the
essary hydroyanic acid gas In the OF
e stock or imported trees and plants they are tumgated
with the above gas or the fumes OF carbon Dlsuphlde III
specially prepared urgatng chambers Or boxes such treat
boring insects and all such infested stock IS condemned and
by burning
troll but has cheaper and much effective method
years become recognized the rational
experts the native habitat OF the and there study
up parasitic checks such pests These again unfortu
known secondary parasites that prey
10 q am lii p pains4 h. beJ;no them o,1+ be-
sending the enomoogs home that
and scape from the breeding jars In
least fifty cent OF the beneficial insects are
obtain the parasites without this
check successful with them than they are in their
native country.
Dozens OF species Of formerly be
that have been brought under subsection by
expense the orchardlst planter The introduction
that attack other insects become
to vegetation any than tiger become runinant,
SO must upon which they prey exist In
this method OF warfare insect pests do not look for
but rather keep in check their destructive
numbers.
The introduction of Vedala CARDINALS California
Hawaii South Africa Portugal and
Florida from California to the white cottony
cushion scale considered by several OF the foremost
torooglsts as an eHaoTdIlary case ana would ProOaDE
be again repeated The fact OF the matter that
only strengthened the faith of the
advocates OF natures methods who observed former beneficial
results parasites and predacious insects Mr. Ewood
Cooper Commissioned Horticulture OF California
one Of the strongest advocates OF hgng pests with natural
enemies and has urged the Legislature OF that State 10
this been ably supported by the fruit who
recognize rhe value OF the work the States principle in
Massachusetts, The latter has spent millions OF dollars in
futile effort stamp the "Gipsy moth that unfor-
only fruit but ornamental plants shade trees and even
forests Notwithstanding the expenditure of vast OF
An effort last be made introduce and spread It's
enemies if nteigently conducted fail
be hardly
beneficial insects that have been introduced and the wonderful
accomplished by them. The CyPo0emns introduced by
the coffee other plants destruction
effectively VedaIa saved the citrus industry and the
Ra@obits 7eHfros practically stamped the black scale
(SoissetG oeae the Islands and the Scnista
idly doing the the olive lemon and groves OF
California The Goblin moth that introduced into the
Europe and annual loss OF
millions OF dollars the apple and OF the
California from Europe by George Compere, benef
cial insect collector for California This parasite reported
be breeding freely only confinement but also IN
orchards Of State Mr. Compere present travel
ing China the parasites OF the purple scale that
known keep that in check there Il he succeeds we
will undoubtedly secure colonies from Mr.. Cooper -
I will briefly mention matters that will
more especially interest people sugar planters
well know the destructveness OF the eahoPPer that
introduced from Queensland only few
wears ago Matters became that the Hawaiian
Sugar Planters and the Hawaiian Territorial
Agriculture and Forestry determined to send two @
per to search for its parasite Perkins
were selected and carry this important work
They sailed Honolulu May In August and
September began receive consignments OF ladybrds
they feeding upon aphs and scale insects which
were liberated apis and others bred in confinement
During this time koebee and Perkins conduct
ing close observations breeding internal parasites OF
the cane hopper ascertain if there any danger
from secondary parasites and then began collect and ship
material to The preliminary shipments not
good condition parasites bred from them However,
I'd
L., tn r-ofC ne