CECIDOMYIA. C. soUdaginis.
l:)ands
wing blackish,
hairy.
On
goldenrod.
stein of
Bright red, with black hair.
C. Itirtipes.
C. chrysopsidis.
C. destructor.
black.
On
Brown.
C. sei-rulata.
C. tritici.
reddish; body with black
in
-^^
Gall Gnat.
Ill
i^ in.
alder.
red
— The Hessian
wing gray,
^
hairy.
On
golden
aster.
black; body tawny, with black rings; wings the stems of wheat, which causes it to stunt in growth.
— The
fly.
wheat midge.
in.
-jV in.
like the last, but
wnigs transparent.
Attacks
the ear of wheat.
forms swellings in the locust stems. Causes the gooseberries to turn prematuie
7-
C. rohiniiV.
S.
C.
y-
C. salicis-rigidcv.
lO.
in.
On
1
eii
and
rot.
willows. C.
albovittata lives
them.
1
1
C. piui-itiopis.
I
2.
C. ornata.
C
Causes the pine cone-like end-huts on willows.
C. strohlloides. in
13-
in.
li'j
ffrossii/ariiC.
trifolii
Attacks the needles of the pine trees. body red wings with five brown spots.
in.
y'^
and C. leguininicola
.
In clover-leaves.
LASIOPTERA. 14.
Z-.
veiitralis.
5-
L.
vitis.
^
J 1
s in.
red
Edged Midge.
blackish-brown, with yellow legs
black head.
On
grape vines.
(22)
front
edge of wing black,
(22)
