Page:Mosquitoes, gnats, craneflies, midges and flies of the northern states (IA mosquitoesgnatsc00knobe).pdf/53

 TACHINID/C. which they lav

destrov the

These

Swift Flics. Their

their e^^s.

flies

larva- live

are parasitic on other insects, particiihirly on caterpillars, on and transform within the bodies of tiic caterpillars and thereby

latter.

TRICHOPODA.

Hycbrovi' Fly.

body red wing black with white stripes. wing black, hind edge clear. T. laiiipcs iV hind legs feathered. body rust yellow in. T. pciiiiipcs. legs feathered. hind lined wings reddish body blackish brown ill-: cilipcs. i /". 'fin.: black; first rings of body reddish wing clear edged. hirtipcs. hind legs feathered. black hind edge of wing white plumipcs. Yi, in. T.

T. formosa.

js i" i'l-

black with white stripes with white lines on chest chest gold with l)lack stripes

^'lest







':t

'/'.





l'l"'-"k





















TACHINA. 1.

7'.

{y/iri>/ia)

hair 2.



'j

//r.v/r/v.

wing

light

brown

%



Snift Fly.

chest greenish l)lue black

l>otly

(Jiirii/ia) a/o-ens.

'f.

brown liead and shoulder brassy yellow scales white. '2 i"chest gray with black stripes; bod' (//ys/r/c/a) viv/ifa.

in.







legs light red.

chest gray with dark stripes body orange, legs black. dotted stripe blackish with a T. dis'iiiHcta. --sin.: chest gray with black lines body lilaek

7".

abriipta.

jj,;

in.







and white banticd. 6.

T.

(.Se>io»!ctop/a) larv;e feed

7.

/'.



eyes red







V

deep black

7'.

black spots and hair 4.

yellow-

scales brownish.



3.

body dark chestnut; head with

in.; blue black:

iiiilitaris

on the army

(Lvdclla) ilorvplior.c.

or

.cmoica

worm ami Their

beetle.

(51)

destroy larva'

htca?itc.

Their

it.

feed

on the

potato

lii'lit

red with