192 NORTH AMERK’AN OEDIPODTNAE (ORTTIOPTERA ; ACRinTDAE) 
ill its r('l;i1iv('ly inon' rolmst build, roliitivoly lars(M' luvid, soino- 
what bi'oadiM' anal field of tlu' ((‘f 2 ;iniiui, flu* nioro bdcalo win^, 
which has two instead of a sinj^h' axillaiy vi'in and a more opim 
venation, and in th(‘ daikc'r f>;laueous torn' of the eaudal tibiai'. 
ShastanKs, typically, is a. nioi'i' eompi'cssed insect with a smalh'r 
laaid in jiroiiort ion to tlu' jn'o/onal si'ction of tlu' ])ronotuni. 
Tijpe . — cf ; be(' ('anyon, Sprinji; Afountains, ('lark ('onnty,' 
Nevada. Idevat ion, SOOO to ShOO had . August 10, 1010. (Ibdin 
and llebard.) lllebard ( 'olk'ct ion, d'ypi' no. TbS.) 
Size iiu'diuni; I’oiiii sIcihNm', hod^’ tiiodi'rali'b' compn'.'^sod. 
Head el' averafije sizi', inodi'i at idy dei'p in preport ion lo widlli, greatest 
widtii aiaoss genae eent aim'd eiu' and ene-hall times in greatest deptli of 
head: fastiginm narrow, its greatest widlli eontained slightly mere than one 
and one-half in h'ligth of sanu', relal ively ejien eaudail, shallowly excavate wit h 
< hsenre median earina; fastigio-faeial angli' moderate^' jirodneed, mori' evi- 
denl, than in ('. cnaiiiiuo: frontal costa broad, narrowing dorsad, faintly 
constricted vc'idrad of median ocellus, obsolete on lower fac(', shallowly im- 
})r('ssed about- median ocellus, excavate for brii'f distance vi'iilrad of saim'; 
lateral foveolae each an e(|uilateral triangle in outlim', very shallowly ('xca- 
vate. tyyes hardly promincJit from cephalic asjiect, hardly I'levated, basal 
old lim* snbiA'oid. 
I’ronolum modi'rati'ly strangulate, greatest- width across metazonal disk 
sub('(]ual to metazonal and one-half of prozonat h'ngth; metazona nearly 
twice as long as prozona: caudal margin of disk as a whole rectangnlatc', im- 
nu'diati' angle I'oumU'd; median earina low but distinct, transverse sulci (‘vi- 
dent; metazonal disk weaklj' undulate; hunu'ral angles of nu'tazonal disk 
promiiH'nl bid narrowly rounded. Lateral lobes of ])ronotum with great I'st 
depth subeipial to dorsal length. 
'I'egmina elongate, surjiassing apex of abdomen bj' faintly more than length 
of head and jironotum combined, broad, greatest width contained slightly 
more than three and one-third times in the greatest length of same, aiijireci- 
ably narrowing in distal fifth, distal margin obliciuely subtruncate; intercal- 
ary vein proximad ('(piidistant from median and ulnar veins: anal field moder- 
atc'ly broad, but distinctly narrower than in ('. Coconino, in greatest width 
(to anal vein) ecpial to less than one-third of greatest tegminal width. (\’ings 
moderately elongate, dejith of wing eontained one and three-fifths times in 
greatest breadth of same; apical section moderately falcate, distal margin 
ol anterior field obli(|no subtruneate; axillary field with its jieripheral margin 
obli(|uc and weakly arcuate; pi'i ipheral margin of radiate field similar to but 
more weakly scalloped t han in ('. coconino: vi'iiation more comph'X and cross- 
veins inori' numerous than in ('. coconino: ari'a, of nu'dian forks broa.d, nariow- 
ing dislad, similar lo sanu' area in coconino but moi'i' elongati' and its ('xpan- 
sion l('ss pronounced; ulnar area manly three limes as widi', at widest part, 
as .-idjacenl portion of niedio-ninar arc'a; |)oslerior .-ixillary vein weak, but 
'I ill more ev ident I han in ( '. coconino', first , second and I hiril snpi'rjacenf radi- 
a Is inciassal e, the last more a ppi’cciabl y so than the ol hers. 
