Page:Mosquitoes, gnats, craneflies, midges and flies of the northern states (IA mosquitoesgnatsc00knobe).pdf/52

 Family ol

the

flUSCID/G.

29.

wliole ortlei.

It

KEY Si'B-Family

—

II

Upper

I.

so.

une side bare, the other cumb-like

-

-

-

-

-

.

Muscidir

.

feathery at foot, bare at point feather-like to the

body

Famiia'

Upper

II. .

cell

Here belong many

seam

and

seam across

the breast-part Antkoinxia



.

c

.4;//-^(?;/n'/«. -

.^^eparnle "^

I

and

i.

Vein A close

I,

-

-

-

-

-

1.1

c j. j ctepedon,

c> 'r-r. . J rvfcia, J etaiiocera, r, r> i Dryomyza, Pyrgota, andi/oy;Ortaiis. .<

--.-_. ...---_---.-. ---

but separating

to

^

!icatoj'/ioceph(da.

Pioph'da and Agroinvza.

separate near shoulder

Vein A only a stump

Wing

ami Hylrmia

flies. The veinings of their wings lie between Ant/iomyia 3.u Plwra. The small characters, and are often very difficult to recognize in such delicate objects. the first length-vein from which the forked second length-vein branches. i is called

J=v

less

a

across breast-part incomplete or wanting.

made on

Vein A and

Wing

Dexia. Miiscn.

families of small

similar to

Vein

Saciophaga.

bristly

Hide open.

called the aiiiliary vein

Wing "

TachiuidiP.

(Slomoxys.)

bristiv cmlv at last rings

scale very small or entirely wanting: the

scientific divisions are is

end body

scale covering the balancers in place of hind-wing

The

<

-.-_-_.-_. -..--._-.-...._.

—

^-^^^^_^^|^^^

A

very numeious, and embraces about Iwo-tliinls

of wing ending near point, closed or nearly end of feeler, smooth and bare

^^^^^^^FP^

A

is

THE IMUSCID.E.

'J"0

cell

IJristle at

^^

This family

Tl/plcal Flies.

needs, therefore, a separate kev.

Rphvdyiiiidir.

Drosophila.

Oscinis and Chloi ops.

with a few stout veins near front-edge, and a few weak, unconnected ones in hind-edge

(50)

-

-

Plioui.