The evening herald. (Klamath Falls, Or.) 1906-1942, 1912-06-17
MOSQUITO DIFFERENTIATION

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man experience In the United States.
The Jersey mosquito" Is not the OF.
elusive property OF that common.
wealth alone: Il breeds In the salt
water marshes all the way from Mas
sachusetts To Florida. wherever a
fresh water stream dilutes the ocean
saltiness sufficiently to attract the
mosquito. Mosquitoes OF the salt
marsh group are not disease breed
ing, however, though more intensely
annoying than others. The Anophclcs.
which spreads malaria. and the Stcg.
omyia. which conveys yellow fever.
propagate In fresh water. In stasnant
pools. even In standing water In tho
houses, The greater number OF spe-
cics seldom travel more than a few
hundred yards from their breeding
places, and. away from salt marshes.
most places are locally infested. these
facts place the problem of mosquito
determination squareiy before the In.
diyidual householder and the COM
munity Immediately Interested.
Most mosquitoes. certainly those OF
the anopheles tribe. In which the To-
male OF the species Is FAR more deadly
than the male-are active only after
dark To rid a house OF them one
must fumigate with pyrethrum pow
der or some other substance that will
make a dense smoke. taking care that
no mosquitoes are allowed to iurt
In remote places TO which the fumes
have no access. A pound OF pyre-
thrum Is necessary for every thousand
feet OF interior space. Screens. un.
.ess absolutely tight. with a mesh OF
twenty to the inch, are useless against |
According to the Journal OF the |
American Medical Association. the |
only means OF permanently prevent !
lac mosquitoes Is the destruction ~
their breeding places. which may be
anywhere that water can accumulate
aud stand for ten days or more. II Is
very well TO ulain marshes. poncs. !
and wet places In lawns shd
gardens: but determination will not |
be thorough and effective unless one
realizes that no body OF water can be
too small for mosquito nursery. /
Myriads may breed In puddles by the 4
In little-used horse troughs.
In chicken pans In poultry yards. In
water cups standing on the frames OF /
In water that aecumu-
lates In garden or fields. especially In /
clayey soil. In water pitchers In un-
used guest rooms. In vases In which |
water has not frequently been chang
ed. In discarded tin cans In back 1
yards. in sewer catch basins-in fact.
In any place where half a pint OF wa.
Ter Is allowed TO stand. Since mos
puItocs breed only in standing water,
TO eliminate them II Is necessary sim. !
PLY TO find and TO drain or TO oil all
Ire possible breeding places.
The city OF Hartsviiie. 8. C.. little
aS to size. but big In enterprise. has
Tor several years past annually en-
ployed measures which other com
nunities may well emulate. Its health
board first distributed to all house,
holders circulars pointing out the
dangers OF mosquitoes and recon-
screens and constant super
vision OF premises 10 prevent breed
ing. Then the council surveyed the
entire city. drained low places where
rain water accumulated and made
weekly inspections Of all premises
md bitches In town. putting kerosene
regularly on any water that could not
no drained or emptied Ian ounce OF
kerosene for each fifteen square feet
Il water surface). Most OF the breed
ng Places were found In back yards
DR.. W. Egleston, the health commits
Iioner. reports that malaria. though
'ery prevalent a decade ago. In now q
a negligible disease. The
Of Hartsville. II is said.
low sit on their unscreened porches
n the evenings with no discomfort
rom mosquitoes. II every communi-
) In the country would follow the ex-
imple Of Hartsville. the mosquito
'roblem would soon cease TO vex us.