Bryan morning eagle. [volume] (Bryan, Tex.) 1898-1909, 1907-03-20

and Manifested Grain. IN Equal
Number Of straws In Each Bundle.
ropean state and has also found its
way into most OF the important wheat
producing regions of the world II II
found over most Of North America,
where wheat Is grown. from Texas
TO the far northern fields OF British
America. In our opinion Il Is capable
Of adapting itself to almost all vicissi-
tudes OF climate that are not uncon-
genial 20 It's host plants. The terri
tory In North America over which II
has spread by natural diffusion lies
in a solid block. and we believe the
boundaries OF this infested area viii
BE- further enlarged by extension In
every direction 30 long as host plants
are available. An exception to this
general rule OF diffusion may possibly
be found In restricted districts where
excessive drouth prevails at seasons
not prohibitive OF wheat production.
but probably affecting vital periods In
the life history Of the iiy.
The adult female Is a small. dark
colored ny. about one-tenth OF IN inch
long. possessed OF two wings. and
looks like n small mosquito. When
FIRST Matched, the reddish colored alb
domen. distended with eggs. empha-
Sizes the stimulation Of the insect TO
Q small mosquito. nlIed with blood.
The male Is smaller and more slender
than the female. darker In appearance.
and has longer and more conspicuous
whorls OF hair on the antcnnae.
The egg IL about one-fftieth OF IN
inch long and one-seventh a. wide Is
long. the ends being smoothly round
ed. The surface is smooth and shin-
ing, the color passing from thin. trans
lucent. honey yellow. when newly laid.
through orange yellow to reddish ~
Matching time approaches.
Under normal conditions the eggs,
minute. orange-reddish. elongated
specks. barely visible to the unaided
eye. are laid In the longitudinal
creases or burrows on the upper sur
face. especially where the leaves are
turned bottom side upward. Again
they are deposited on the stalks or just
between the stalk and the sheathing
base OF the leaf. In confinement. the
female will deposit on almost any
plant available OF. II no plant IL at
hand. on the sides OF the enclosing YES
sci or In the dirt at the bottom Of the
same.
When newly Matched. the young
:xrva 10 reddish In color. slightly larger
than the egg and, when observed
through q good microscope. 10 seen 70
be composed Of Is segments. II starts
NJ once down the leaf. following the
groove or crease In which II Matched.
or an adjacent one. until II reaches
the base: from this point II burrows
between the leaf sheath and the stalk
until Il reaches the foot Of the culm.
close to the. root In the case OF fall
wheat. and just above the FIRST. second
or third Joint In case OF spring wheat.
While on this downward journey.
which may occupy several hours. the
young larva Is easily detected from
It's court by dirt particles or mechan-
icai distractions. and may lose it,
hold and fall TO the ground. or may
die and In n dried and shrivelled con-
dition remain for q time on the leaf.
II seems improbable that larva. once
on the ground. can survive 20 reach
tn normal position on a wheat plant.
At . very early period II was no.
ticed In the United States that some
varieties Of wheat seemed 10 su9er
| lsss nom Hessian ~ than others. 40.
|psssatly gown under she-s'~--oeetI-