upon cultivated grounds, it would have injured the crops. But as it 
was confined to the gravelly bench lands no apparent damage was done 
by it. 
The description of this locust as published by Mr. Dodge is as fol- 
lows : 
Frontal costa silicate only at ocellus. Vertex slightly silicate. Median carina of 
pronotum distinct, cut about the middle by last transverse furrow. Hind border of 
pronotum angled. Tegmina and wings extend beyond the abdomen. Cerci broadest 
at base and straight until near the apex, when they bend upward, and end in a blunt 
point. Tip of abdomen rounded. 
Color, dark, inclining to blue. Pronotum with a red, longitudinal median stripe. 
Black band behind the eye, broadest on pronotum, ending at last sulcus. Yellow 
Bpots behind the eye on both sides of black stripe and below the same on side of prono- 
tum. Cheeks bordered behind with yellow. Sometimes face yellow, mottled with 
blue. A yellow spot at base of anteume, and a yellow stripe following the lateral 
carinae of pronotum on hind lobe, runs obliquely across base of tegmina to insertion 
of hind femora. Tegmina brown, with a few dusky dots along the disk. Wings 
tinged with blue. Upper outside face of hind femora dark blue, the upper edge 
crossed by the usual dark bands. Hind tibiae red with black spines. Antenna 
light red. Entire under side of insect yellow. 
Length of body — male. 21.5 mm j female, 25 ram . Of tegmina — male, 18 mm ; female, 
20 mtn . Of hind femora — male and female, 12.5 mm . 
PEZOTETTIX ENIGMA Scudd. 
There is a normally short-winged locust throughout the region com- 
prised of the States of Idaho, Nevada, Washington. Oregon, and Cali- 
fornia, which is often very abundant. In fact, it is to be classed among 
the destructive locusts of the country, since it appears to be quite 
plentiful if not numerous at all times and wherever it occurs. 
This locust was described by Mr. Scudder as Pezotettix enigma. At 
about the same time he also described 
a long-winged form from the same lo- /dt 
cality that differs but little from the *^ ^jJtoaji *jl~L \u 
enigma save in length of wing. lie rbS^ffe^S^^ 1 ^-^^-. 
called the long-winged insect Mela no- , j£jp?^Q^^^^^ 
plus collar!*. Sometime prior to this ^^ 
Qyrus Thomas described the same in- -^F - * 
sect under the name of < 'alopten us /!« vo- Fra ' 17 - p «»«f"k "»?»'« male-natural 
1 size (original) 
lineatus. Since the short-winged form 
is apparently the typical condition under which the locust now under 
consideration occurs, the name enigma will best serve as that for the 
species. 
The following description of the insect is that given by Scudder: 
Pale brownish yellow, marked with darker brown and fuscous. Head large, tumid, 
all tin 1 angles rounded, the summit darker, with a sometimes inconspicuous median 
blackish stripe, broadening from in front backward; vertex between the eyes nar- 
rower than ( $ ) or equal to i $ i the frontal costa; fastigium very broadly and shal- 
low ly sulcate, most distinctly in the male: frontal costa broad and equal, very 
fainth punctate, with a scarcely perceptible narrow sulcus helow the oocelus; 
LO66G—N0. 28 3 
