Insects. 
GRAPE MANUAL. 
young larve of all insects. Whenever other food fails, 
they will even devour the helpless pupe of their own 
kind 
e select for illustration one of our commonest 
ady birds. 
fhe pupa, and ¢ the beetle itself. The eggs of 
atly resemble in depARTIR those of the 
eueeio Potato-eete they are orange-yellow, and 
laid in small grou n the under eo of leaves. The 
larvee are very cane and most of them very hand- 
somely colored, those of the Convergent piri: be- 
ing blue, orange, and black. When full grown, they 
hang by the tail to the under side a a stalk or lites a 
change tochrysalids. The perfect 
marked with black and white, as represented. in n the 
figure. It derives its pret from the two convergent 
lines on the dise of the ze of some of 
one of them (belonging to the genus Seymnus) has 
been found to live erground, preying upon the 
t-inhabiting form of the Peete xera 
hese yellow or black insects, hardl 
visible to the rapist eye, en with the aid of a 
& 
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oOo 
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S. 
| F 
We refer to the Thrips and figure 
herewith given (Fig. 91), a black species with white 
wings (Thrips phylloxere, Riley), because it is one of 
SSS 
Ww EK \\ 
S y 
Yip Ze 
» Fig. 91. 
THRIPS. 
the most efficient enemies. of the oe 
living within the leaf-galls ca b t pest, an 
inhabiting form of the Ph 
According to the recent classification the Thrips form 
a separate family, Thysano satin Va oe Order Pseudo- 
neuroptera. 
Lacr-wine Fries.— These play a very | im 
redac 
eats known by their delicate, greenish or yellowish 
‘Wings, their brilliantly colored eyes, as well as by 
_ the peculiar, offensive odor emit y them. The 
a herewith Fig 2) 92) _ <i 
— 
LS 
> 
(Oy 
as 4 
+ 
Ae 
ZS 
= 
Se 
ae — » 
Hh 
Pa 
rh 
Geea 
eae vn 
tt 
CT 
LACE WING FLY: a, eggs; 5, larva: ¢, cocoon. 
92, a) are adroitly deposited at the tip 
of long, silk-like stalks ceseebiaaars & ionves - ve 
as shown in the figure, in little groups. The larve 
(Fig. 92, 6) are very about 
in search of pre if which — of soft-bodied . insects 
and eggs of insects. When ready to transform, the 
larva ne 02 iteclt up intoa sasha small cocoon 
(considering the size of the insect which makes it and | 
issues from it), as shown in Fig. 92,c. The imago 
issues through a neatly a ppyess: opening of this 
cocoon, also represented in the fi 
gro PHUS-FLIES. — ated with the Lace-wing 
larv: ently hi as anor eae of larvee or mag- 
gots - quite diftenwit-« e. They are blind and 
without legs, slowly eadne ree by means of stiff 
hairs with which they are covered, while others adhere 
to the leaves y tion and move 
by alternately contracting and stretching out their 
bod: 
being apes or brown, while others are 
striped like caterpillars. Their prey is the same as 
that of the eel ze and their work is just as 
thorough. These are the larve of alarge family of 
Two-winged flies, called Syrphidz, very numerous in 
Fig. 93. : 
Root-louse SYRPHUS-FLY: a, larva: 5, pupa; c¢, fiy. 
_ Species as well as in individuals, _ When ready to 
nter skin 
hardenin g and forming what is ‘called a puparium, 
while the real | pupa lies within this outer covering. 
The s 
ba . 
radicum, Walsh & Riley), a —— the larva, 6 b : 
fly iy itself. = 
hash +h 
on the Sete 
THE Tysipiovs Fro 
