Page:Mosquitoes, gnats, craneflies, midges and flies of the northern states (IA mosquitoesgnatsc00knobe).pdf/32

 Family

THEREVID/E.

15.

hirviv live in fnngi or

Live near the grouiul

Stiletto FlieS.

THEREVA. 1.

T. frontalis.

2.

T. nigra.

Family

'4

j In.

in.



Their

prey on other insects.

Stiletto Fly.

black; chest with two yellow stripes; bodv with vellow bands.

black





MIDAID/E.

16.

ancl

mould.

the unusually long feeler, with a

body with white edges. .Midas Flies. They prey on other insects, and are easily known among knob on the end. Their larva' live in rotten stumps.

flies

by

MIDAS. 1.

.1/ tibia/is.

i

's

with

black,

in.;

vellow

shanks and

feet;

wing

brown. 2.

M.

yellow 3.



to

"^

i

in.



black;

second ring of body

wing smoky black.

iopterzts.

.1/.

wing 4.

^

clavatus {Jilalus).

Js in.



Idack



sides and

two spots on body yellowish



steel blue.

.1/ fiilvifro>is.

J^ in.



black



middle of body orange.

Family

A5IL1D/E. Flics of Prey. Robber Flies. They live on various insects and caterpillars, 17. bumblebee or dragon-fly has to succumb to their strength. Grabbing their prey with their strong legs, they suck out its juice, and leave but the shrivelled skin. Their larva; live underground in roots or rotten wood, where they feed on other grubs. DIOCTRIA. Hawk Fly. and even

I.

/y.

a

octofunclata.

'{ in.



black



chest with yellow stripes

vellow.

(30)



body with

four white spots on each side



legs