BYTHOSCOPIDAE.

=Macropsis apicalis= Osb. & Ball. A few specimens swept from

weeds at Charleston, Mo., during the late summer.

=Bythoscopus distinctus= VanDuzee. Found in great numbers

on willows in northern Missouri.

=Pediopsis viridis= Fitch. Not common. Taken from willows

near drainage canals in southeast Missouri. Somewhat

more numerous in northern part of the state.

=Idiocerus nervatus= VanDuzee. The only species taken from

willows about Chillicothe.

=Idiocerus verticis= Say. Listed by VanDuzee as occurring in

the state.

=Idiocerus crataegi= VanDuzee. Swept from grasses at

Chillicothe.

=Idiocerus snowi= Gill & Baker. Recorded from Lutesville and

Charleston. Feeding on millet and grasses. Nymphs numerous

during August.

=Agallia sanguinolenta= Prov. Most plentiful in southern part

of state. A decided pest of clover and alfalfa. Other food

plants include wheat and several weeds. Adults abroad in fields

all seasons of the year. Abundant in northern Arkansas.

=Agallia constricta= VanDuzee. One of the earliest jassids to

appear in the spring. Most numerous on grains. Attacks wheat,

rye, oats, alfalfa and grass. Abundant in southern counties.

=Agallia uhleri= VanDuzee. Not very numerous. Occurring

principally near swamps along the Mississippi River. Also

collected from clover fields.

=Agallia novella= Say. Rather uncommon. Taken only in

southern half of state. Adults collected from alfalfa and

from weeds growing in marshes and bogs.

=Agallia 4-punctata= Prov. Clover and alfalfa are among its

food plants. Most abundant in southern counties.

=Agallia gillettei= O. & B. Quite rare. A few adults taken

at Charleston.

The Ohio Journal of Science. Vol. XVI., No. 2 (December, 1915) · 第 64 / 76 题