42 
AMERICAN SPECIES OF ARADUS (hEMIPTERa) 
tcndiiiK nearly to apex of abdomen, corinin to ai)ex of fonrtli connexival seg- 
ment, ( 9 ) to base of dorsal genital segment, eorinm to base of fourth; con- 
nexivum broadly exposed. Abdomen broadly oval. 
d' (fig- 11b). Fifth ventral segment somewhat shorter than sixth; geni- 
tal segment short, strongly convex. Length, 5.5 to (i mm. 
9 (fig. 11a). Posterior margin of dorsal genital segment very slightly 
emarginate at middle. Length, b.5 to 7 mm. 
Type specimen (Milton, Massachusetts), Harris Collection, 
No. 82, Itoston Society of Natural History. 
This common aiul widely distrilnited siiecies is easily recog;- 
nized hy the very stout antennae, jironotal shape, and nearly 
uniform coloration, as well as scutellar and genitalic structure. 
Aradus robustus variety insignis var. nov. 
Similar to the tyiiical form, except in coloration; pronotnm dark brown, 
the granulation variable, light to dark, the postero-lateral margins jiale yellow- 
ish; eorinm exce])t a])ex and some variable markings, and apex of scntellnm, 
yellowish; dorsal surface of abdomen reddish brown, of variable shade. 
Ilolotype . — 9 ; Texas (Pergande Coll.), United States National 
Museum, No. 24072. 
Allotype. — cf ; Texas (Belfrage), United States National Mu- 
seum. 
Parntypes. — Females; Ashland, Nebraska, in my collection; 
Cape Hatteras, North Carolina, .lanuary, 1908 (F. Sherman), 
in North C'arolina Experiment Station collection, Brownsville, 
Texas, Nil, 10, 1911 (C'. A. Hart), Illinois State Natural History 
Survey collection; Ann Arbor, Michigan, V, 24, 1919 (AI. H. 
llatchY 
This variety is distinguished by its (‘onspicuously variegated 
coloration, but is connected with the typical form by occasional 
specimens of the latter having the apex of the scutellum pale, 
etc. All hough rare, there are enough exainjiles known to indicati' 
that it has no geogi'aphi(*al significance. 
12. Aradus (Aradus) intectus sj). nov. (Plate II, fig. 12.) 
Descri/ilinti. — Blacki.sh brown; chief veins of hemielytra, ajjexof scutellum, 
apical angles of connexival segments, and narrow inner margins of genital 
lobciS, very obscundy |)al(‘; eorinm sonud inu's largely pakp rostrum and k'gs 
moderaUdy light brown. 
Hra<diy])t(‘rous form. Head about as broad as long, longc'r than prono- 
luni (25 to 21); lylus somewhat narrowed from base to apc'x; impressions 
of vertex bi'oad, shallow, ill-(kdined, comu'cted post('riorly ; bas(> of head with 
