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NOTE ON THE LARVA OF MELANCHROIA GEOMETROIDES WALKER.

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OF WASHINGTON. 77

Professor Piper stated that Dr. Fletcher reported the larvaeof

Therina somnlaria

as completely defoliating the oak trees in

portions of

Vancouver

Island several years ago.*

NOTE ON THE LARVA OF MELANCHROIA GEOMETROIDES WALKER.

By HARRISON

G.

DYAR.

Mr. Schwarz

brought

home from Cuba some

larvae of this speciesin alcohol,

and

three

moths

thathe

had

bred.

He

found

them

toward theendof

December on

acultivated plant, Otaheite gooseberry ( Cicca disticha), at

Cayamas, Cuba. They had

de

foliated the plant

and

ate large patches of the barkbesides.

Mr.

Schwarz

fed the larvae thathe bred

on

the barkas there

were no more

leavesleft.

The

three

moths

lack entirelytheusualwhite dashes

on

the

upper

sidesof the wings,

though

one

shows

a trace of

them

below.

Gundlach,

in Ent.

Cubana,

records an experi ence similarto thatof

Mr. Schwarz

of the larvae eating the bark.

I^at'va. Head rounded,full, narrowed a little above, slightly bilobed, broad; bright red,labrum paleyellow,jaws andocelli black. Bodyuni form, not elongate, equal,centralsegments aboutaslongas wide,abdom

inal feet on joints 10 and 13, the anal pair with triangular plates; all feetbrightred. Bodyblack, markedwith pale yellow; four to sixtrans versedorsal barson each segment, the centralones longest, themarginal ones shorterand rounded, separatedbyasubdorsal area ofground color from a similar lateral series, the base ofwhich are more confused and partly confluent.

An

even, broad, ventral stripeof pale yellow,somewhat transversely barred on theannuletslike the dorsal markings. Tubercles obscure, concolorous, seta; moderate,black.

NOTE ON THE GENUS LEUCOPHOBETRON DYAR.

By HARRISON

G.

DYAR.

I proposed thisgeneric term in 1897for theCochlidian species argentijlua

Geyer and argyrorrhea

Hiibner, but gave no exact characters. I have

now

before

me two male

specimensofargen- tiflua from

Cayamas

(E.

A. Schwarz), and

Santiago,

Cuba

(Capt.

Wirt

Robinson),

and

give

from them

the generic charac

ters. In Ent.

Cubana,

p. 274,

Gundlach

refers to this species

*Reportof Entomologist andBotanist,from Ann. Kept. Experimental Farms (Canada), foryear1890, pp, 154-188.

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