WINTER NUMBER 51 
male genitalia is broad and short with a deep, rounded, caudal 
notch. The rounded lateral lobes produced by the notch are 
chitinized on their caudal margins which bear about fifteen long, 
yellow setae. The basistyles are a little longer than broad, thinly 
covered with long, yellow setae. From their ventro-mesal mar- 
gins large fleshy lobes, about as long as the basistyle itself, 
project caudo-ventrad, almost parallel from the base to apex. 
These lobes are covered with a moderate pubescence and bear 
numerous setae, particularly at their apices. The dorsal dis- 
tistyle is an arcuated, cylindrical, chitinized rod, slightly dilated 
at the base and just before the apex. Beyond the second slight 
dilation it tapers abruptly to a short, stout, straight, apical 
spine. A chord drawn from apex to base of the dorsal dististyle 
is very nearly equal to the length of the basistyle. The ventral 
dististyle is a large, inflated, ovoid lobe covered with a short 
pubescence and bearing rather scattered setae of moderate 
length. At midlength it is a little less in diameter than the 
chord of the dorsal dististyle and is a little less than twice as 
long. On the mesal margin, about one fourth of its length from 
the proximal end, the ventral dististyle bears a prominent, fleshy 
rostrum, curved dorsocephalad. Near the base of the rostrum, 
on its caudo-dorsal face are two short, stout, chitinized spines 
set close together in a common groove. These spines are almost 
exactly equal in length. The cephalic face of the rostrum, near 
its tip bears five or six stout setae. The penis guard is long 
and subcylindrical. It narrows from a dilated base to a slender 
rod but becomes slightly dilated just before the faintly bilobed 
apex. The gonopophyses are prominent flat hooks, whose bases 
form vertical plates on either side of the penis guard and whose 
apices are directed dorsad. Between the base and apex each has 
a semicircular depression like the blade of a sickle, whose dorsal 
and concave edge is gently and slightly serrate. 
The ovipositor is but slightly different from that of ammodesta 
or gladiator, slightly shorter and more slender than in gladiator, 
the tergal valves more arcuated than in immodesta. 
Holotype, male, Poweshiek Co., Iowa, Sept. 18, 1920 (Field 
Cat. No. 52). 
Allotype, female, topotypic. 
Paratopotypes, 4 males; paratypes: Poweshiek Co., Iowa, 3 
males, 2 females, Oct. 10, 1920; 1 female, June 2, 1920; 1 
female, Sept. 5, 1920. Hardin Co., Iowa, 2 females, May 20; 
1920; 4 males, 2 females, May 21, 1920; 3 males, 4 females, 
