Page:Mosquitoes, gnats, craneflies, midges and flies of the northern states (IA mosquitoesgnatsc00knobe).pdf/6

 I.

NEMATOCERA.

Sub-Order

Feeler, except the frst tco Joints, com posed of

This comprises the mosquitoes, gnats ;md midgets,

Generally

long legs and small heads and eyes.

—

all

more or

delicate

of"

many

similar joints.

less mosciuitci-like. witii slciult-r bodies,

huild. thnu<;h tjradually apjiKiaching the next

division.

II.

BRACHYCERA.

Sub-Order

This comprises the various

bumblebees

III.



birth

ti)

of"

the

splits into



Parasites on animals,

-cl/ic/i



head and eyes large.

they seldom leave.

ileveloping t"rom the egg to the maggot, pupa and My, like

pupa,

f"rom which the insect

OBSERVE THE WING. from one vein

flies, all

sliort.

generally of robust build, strong bodies, stout legs

Sub-Order PUPIPARA. Instead

of few and nneqnal joints sometimes a bristle at theend. more or less like the house fly, though some resemble wasps, bees or

Feeler

to another,

The

is

all

the t"oregoing,

the

female gives

transformed.

veins running t"rom the shoulder to the edge are called length-veins

cross-veins



two or more branches; then

the edge of the wing, nor those t'rom the

a It

space encloseil is

first

called forked.

bv veins

Do

cross-vein to the shoulder

(4)

is

called a cell

not CDUnt the cells

.

On some wings

those



a

vein

which border one side on

onlv those in the mitkile of wing.