44 
AMERICAN SPECIES OF ARADUS ( IIEMI 1’TERa) 
( ruiislucoiit iiiitc'riorly on ('xpandod iii;irf>;iiis and ycdlowish aloiifi narrow 
postc'ro-latoral margins: ])ost('rior margins of connoxival sofinu>nts and 
hroad inner tnarfiins of f^onilal lolx's ycdlowish; h'fis ])alc, the lihiac' and 
femora sometimes with hroad brown hand at middle; ventral snrlaee ol ab- 
domen brown, varia))ly, and as a rule eonspieuously, diversilied with ])ale 
sjcots, especially on fienital segments. 
Head as lon^ as broad, longer than pronotnm (21) to 2(1); tyhis narrow, 
compressed, slightly eidar^od toward t);is(>; impressions of vertex dee]), 
paralhd, rather short, eonneeted posteriorly; prc'oc'uhir tubercdes distinct, 
obtuse; antenniferous siiinc'S stout, diver]i;ent, without lateral tooth; jxjst- 
oeidar tnbc'rcdc's low, rounded; antcmnae (tifj;. Efe) as lon]>; as head and pro- 
notuin toj^ether, the tirst sc'gment extendinf>: beyond middle ot tylus, the 
second as Ions as distam'c between eyes; rostrum reacdiinfr to or a little be- 
yond middle of prostermnn. I’ronotum (lifi;. Idil) of eharaeteristie torm, 
lateral marf>:ins thickened, entire except for minute granulation, distinctly 
and broadly retlexed; carinae well elevated. Scutellum longer than pro- 
notum (df) to 2(1), narrowly triangular, sides straight, convergent from base, 
moderately elevated; basal earina transverse, rounded, higher than sides 
Ix'yond middle, llemielytra (cf ) jcarallel beyond middle, reaching middle of 
genital lobes; ( 9 ) more or less narrowed, reaching base or middle of genital 
lobes; eorium extcmditig to middle or a])ex ot fourth sc'gnu'iit ; exocorium 
strongly ('xpamh'd, mesoeorium and (‘ndocorium each with two or thri'C dis- 
tinct t ransv('rs(’ veins. Abdomen oval, narrower in the male, margins al- 
most entire'. 
cf (fig. Idb). Fifth ventral segment shorter than sixth (11-14); genital 
se'gnu'ut short, vc'ry eonvc'x, the lobes long. Length, b mm. 
9 (fig. Ida). Posterior margin of dorsal genital segment straight, slightly 
notched at middle. Length, b.o-C).? mm. 
'rypo si)('(‘inu'ns (Mtiskoka, Ontario; Pennsylvania) in Perg;- 
rolh’s and Monlandon’s eolleetions. 
d'his tiiu' si)('(‘i(‘s, easily ree()g:niz('(l hv iironotal and g:enil;d 
struct tire, luis .sometimes betm considered as ornaUis Say, accord- 
ing to Ib'rgrotli (1S*)2), and Heidt'inann did not distinguish it 
from th(' \v('st(‘rn (ipiuilis, recently described by \'an Duzee. 
d'lu' wc'stern localities citt'd by \'an Ouzee" are based on a state- 
iiR'iit by I leid('mann,^“ “ . . . it is recorded from 
('alifornia, and ('olorado.” 1 do not know the basis for this 
slatt'iiu'nt, but am strongly of the opinion that it rests n])on 
tlu' confusion mentioned abort' and is therefore erroneous. At 
;iny rat(' 1 h'idt'inann’s st'rit's of duzcci conttiins spt'cimt'ns of 
cdlis, and tlu' ('alifornia collt'ctors hart' .so far failt'd to lind Iht' 
foriiK'r in tlu'ir tt'rritory. 
“ ( 'at al. 1 lemip., p. Lit), IU17. 
Proc. Fnt. l^oe. Wash., .xii, p. 17. lUlO. 
