Richmond enquirer. [volume] (Richmond, Va.) 1815-1867, 1843-07-28
AGRICULTURAL.
TO TIE EDITORS OF THE ENQUIRER.
TfIr rJCssfAN PIV

If Won will read the communication from yonr Lou
isa correspondent again, you will find answer, in eff
feet 10 the questions you ask IN your upon
it, 1t is there stated that tie egg of the Hessian ly
is deposited upon the upper surface OF the wheat blade
that the mapgot hatched from it descends along the
grooves of the blade into the "Joot root, of the
wheat, as YOU printed il, and remains there till it has
passed through The chrysals state, and become hy
when takes wing, and like its parent, deposes It's
eggs upon other heat blades You say, "ths is only
pacinp the difficulty one step further" You then ask
..WheIs does the fly come from" "Where was the
epp deposited from which (she) proceeded ?"-Let
us begin at the beginning. God created two Hes
sian Flea from which millions have descended. Say,
the first ay deposited her EGGS Autumn, upon wheat
blades those eggs Matched, and IN due time, became
flies and took wing, ready, the ensuing Spring TO de
oose their eggs upon wheat and raise swarms as
their parent had done the year before How and where
The passes through The Winter months, know not;
but this do know, that, very frequently as early as
February If week of warm weather occurs the Hes.
sian Fly depostes thousands OF eggs upon the wheat
from which it is manifest, that the fly full grown at
that time, and must have been reared the preceding
wear. Perhaps they enter the earth, and hibernate
there in torpid state till revived by the genial warmth
of Spring might ask you, what becomes Of the com.
mon House Fly, the Tobacco Fly, the Green FIy, and
the Moscbeto in Winter? Where is the egg de poste
from which they proceed' | have seen House Flies
and Green Flies, upon warm sunny days, every month
in the wear Tobacco Flies are rarely seen either by
day or by night nevertheless, they exist in great mum
beI, and never fail to deposit myrads of eggs upon to.
bacco and Irish potato leaves from May till November,
when they disappear Whittier they 60, we know not.
Perhaps they enter the earth Horn Worms and come
forth Tobacco Flies in Spring. Hessian Flies are
never found in wheat subble; green food is indus
pensabe TO their rearing and sustenance and they
Away, full grown and upon the wing before harvest
have never known the Hessian Fly TO be fonnd upon
Indian corn, but they sometimes inJure rye and oats
The reason why they do most injury 10 wheat sown
upon corn land is obvious. Wheat upon corn land IS
hardly ever sown early enough. Faowed land is al
ways ready for sowing at the proper time Last year
sowed, in wheat, Uhe last week in Sepember,) one
half of followed field; the other half not sown
till two weeks afterwards, in consequence of severe
drought The wheat sown in September was no, at all
injured by the fly and produced good crop: that
alongside Off, fortnight later, was hardly worth reap
ing, from the ravsges Of the Hessian FlyAfer years
of observation and reflection, have concluded, il is
impossible to "head" the Hessan Fly The only pro.
phylactic against their avages, worth trying Isl
our wheat If possible, between The Goth Of September
and 10Th of October, and then we may sometimes
suffer considerably from their inroads. A. D.
Louisa, July 90 1S43.