No, 1599. SOME WABI NY Oe DIBA CAUDELL. 13 
Family PHASMID 2. 
At Ciudad Juarez, Mexico, I found two green nymphs of a Phas- 
mid and tried to rear them to maturity, but failed. One cast its skin 
once, but both soon died. They have a pair of small horns and were 
found on Larrea species. 
Family ACRIDIID. 
TELMATETTIX HESPERUS Hancock. 
One female, Sierra Madre, California. This specimen was taken 
on sandy ground near a creek and its ashy and brown coloration 
_ offered little contrast to its surroundings. 
BOOTETTIX ARGENTATUS Bruner. 
Four males, two females, two nymphs, Ciudad Juarez, Mexico, 
May 25. Found on Larrea bushes at dusk, so dark in fact that insects . 
even in exposed positions were scarcely distinguishable. These speci- 
mens would not have been found but for their song which at that 
hour was very loud. 
Bruner“ refers with doubt the genus Gymmnes of Scudder to the 
genus Bootettix, likewise referring Gymnes punctatus to the synonymy 
under Bootettiv argentatus. I have a male of Scudder’s species from 
Palm Springs, California, and have examined his type specimen, a 
female. I have both sexes of Bootettix argentatus, including the 
type. From a study of this material I unhesitatingly pronounce the 
two species distinct, but congeneric. Thus the genus Gymnes of 
Scudder is a synonym of the earlier established Bootettix of Bruner 
and its only species is valid and must be calle Bootettia punctatus. 
OPEIA TESTACEA Scudder? 
One nymph. Dominguez, Galifornia: June 2 
PHLIBOSTROMA QUADRIMACULATUM Thomas. 
Common at Calgary and Medicine Hat, Canada. There should be 
recognized two forms of this common and widely distributed species. 
The typical form guadrimaculatum, having parvum Seudder and 
laetum Uhl as synonyms, has the elytra decidedly shorter than those 
of the other form, which must be known as P. pictwm Scudder. For 
convenience these two forms may be differentiated on the relative 
length of the elytra as compared with that of the pronotum. In the 
typical form the elytra are three or less times as long as the prono- 
tum, while in the long-winged pictwm they are more than three times 
as long. The short-winged form is usually smaller than the long- 
winged variety. 
STENOBOTHRUS CURTIPENNIS Harris. 
Both macropterous and brachypterous forms taken at Portal, 
North Dakota. 
4 Biol. Cent. Amer., Orth., II, 1904, p. 52. 
