38 
The Ohio Naturalist. 
[Vol. IV, No. 2 , 
The head wide, antennae very rot)ust, joint 2 a little longer than joint 3, 
about ecjually thick, 4th joint smaller, shorter than third. 
I’ronotnni ronnde<l on the margin, surface coarsely granulate and with four 
elevated ridges on the disk, the outer ones not reaching the anterior margin. 
Scutellum with sides parallel at base. Elytra moderately dilated at base, not 
reaching end of abdomen. Beak reaching middle of mesosternum. Color 
dull fuscous or blackish, a ring near the tip of tibiae and the base of the tar- 
sal joints slightly paler. 
W'ideh’ di.strihutcd over the United Stales but has Ireen taken 
in Oliio onl}' in Coltnnbns and Cincinnati. Other records place it 
in Iowa, Canada, Mass., X. J., X. V., Md.. 111 ., Wis. and Minn. 
It is at once separated from other native species with thick 
antennae by the dull fuscous or blackish color. 
Aradcs oknatus Say. 
Aradus ornatus Say. Heterop. Hem. (1831), p. 21. Coll. Writ. I, 352. Ilergroth. Proc. P'.nt. 
Soc. Wash. II, 332 and 335. 
Antennae robust, third joint largest, second longest. Rusty brown with 
yellow spots. Eength,male, 5 mm.; female, 6 mm. 
Head broad, the antennae much swollen, joint one .short, two longest and 
considerabh’ swollen, three about half as long as two and equally thick, four 
smaller. Beak reaching to middle of prosternum. Pronotumwith lateral bor- 
ders .strongl}' curved, edge roughened but not dentate, disk with distinct 
rugo.sities and three conspicuous glabrous spots on hind border. Scutellum 
triangular. Base of elytra strongly dilated. Abdomen reddish with pale 
margin bordered with black. Genital lobes with a transver.se light yellow 
spot. 
So far this species has been recorded from Indiana, Pennsjdva- 
nia, and Cincinnati, Ohio. 
A handsome species, described in 1831 from Indiana, and 
for a long time unrecognized, but Bergroth called attention to it a 
few years ago, his specimen being credited to Pennsylvania. 
( Montandon collection. ) 
Recently Mr. Dury has collected it at Cincinnati and kindly 
placed three excellent specimens of males and, later, one female 
in my hands for study. (Ohio Natukai.ist, IV, p. 22. ) 
Aradus duzei Bergroth. 
Aradiis tiuzri Bergroth. Proc. Kiit. .Soc. Wash. II, p. 333. 
Resembles ornatus, but lacks the poli.shed spots of the hind bor- 
der of prothorax. Fuscous with light yellowish markings. 
Length, male, 6 mm.; female, 6.5 mm. 
Head broad, auleunae robust but less dilated than in ornatus, joint two 
longest, three about two-thirds of two, scarcely as thick. 
Margin of prothorax subangnlate, the disk with four rough carinae. 
Idytra dilated at base, barely reaching tij) of abdomen, sulTu.sed with yel- 
lowish on basal third, membrane brown, veins concolorous. 
