at the apex of the wing. The costal and sub-costal veins are more 
than usually distant from each other. The* stigma is scarcely apparent 
and is unusual in form, gradually narrowing from its base it curves 
around the margin of the wing to the apex, in the shape of a sicKle, 
the point being elongate and attenuated. 
According to Passerini’s arrangement, this will fall into Schizmeura; 
the venation and form of the stigma approaches somewhat closelv to 
Koch’s S. compressa. 
SCHIZONEURA PANICOLA. Thos. 
41 
I _ r;; 
.t 
1 ) 
• t M t 
In Bulletin No. 2, of the Ill. State Labratory of Nat. Hist., pub¬ 
lished in December 1877, 1 described a new species of root plant-louse 
as Tuchea panici. In a note, inserted whiie the article v as going 
through the press, I announced that what was supposed to be the 
winged form had been discovered, and that it would probably fall m 
the genus Schizoneura. The connection between the two was not abso¬ 
lutely traced by Mr. Pergande, the discoverer, but the facts were suffi¬ 
cient to cause him to believe they were identical. A more careful 
examination has sufficed to convince me that in this he was mistaken, 
at least the differences between the two are such as to require them 
to be described and considered as distinct. 
The winged species to which the name Schizoneura pamcola has 
been given? so far as it can be described from recent alcoholic speci¬ 
mens, presents the following characters. 
Winged female. —TIia front winqrs wit 
lUllUWiny 
-The front wings with the third discoidal vein once 
forked; third vein obsolete at base; first and second veins arising very 
near each other; stigma short, rounded behind; fourth vein nearly 
straight; costal bent outward next to the base, leaving a rather wide 
space between it and the sub-costal. Antenna) short, reaching about to 
the base of the front wing; slightly hairy; third joint rather longer 
than the fourth and fifth united; sixth slightly longer than the filth, 
with a very short, indistinct, blunt spur at the tip. Beak lather long, 
reaching nearly to the hind coxae, slightly hairy. Eyes present and of 
the nsual size or nearly so. 
Wingless female (probably not fully developed). Very broadly ovate 
and very convex being sub-orbicular; antennae reaching about to the 
end of the thorax, rather thick and heavy and not tapeiing, the api¬ 
cal joints, if any difference, rather thicker than the middle ones; third 
joint longest but not quite equal to the fourth and fifth united; fifth 
rather longer than the fourth, gibbous on one side at the tip; sixth 
nearly as Tong as the third. Beak, long reaching fully to the hind 
coxae" Color of the alcoholic specimens reddish yellow; eyes minute 
and black. i, n 
Found on the roots of Panicum glabrum and other grasses by ti. 
Pergande, at St. Louis, Mo., in November. 
The difference in the length of the beak will certainly distinguish 
this from Tychea panici , even supposing the antennae in the latter to 
be undeveloped. 
