72 AMKKICAN Sl’EClES OF ARADUS (hEMIPTERA) 
Head inucli longer than l)n)a(l (42 to So), longer than i)r()notnm (42 to 35); 
tylns lonfi, slijihtly Inilbous; iini)ressions of vertex deep, moderately narrow, 
nearly parallel; i)reocnlar tubercles rather small, acute; antenniferous si)ines 
rather short, slender, variably divergent, the lateral tooth obsolescent; post- 
ocnlar tubercles large, acutv; antennae (fig. 35c), rather slender, about as 
long as head and pronotum together, the first .segment reaching not quite 
to middle of fylus, the second in length much more than width of head in- 
cluding both eyes (43 to 35), longer than head; rostrum reaching almost to 
metasternnm. Pronotum (fig. 35d) moderately convex, the transverse 
dei)ression distinct; lateral margins reflexed, with three or four large teeth 
anteriorly; carinae well elevated, the terminal tubercles of the intermediate 
pair moderately large. .Scutellum i)entagonal, the sides moderately sinuate 
beyond middle and distinctly though moderately elevated; discal elevation 
triradiate; ba.se depressed; apex narrowly rounded. Hernielytra rather 
broad, covering disc of abdomen; (cf) reaching genital lobes, corium a little 
beyond middle of fourth segment; (9) almost to genital .segment, corium 
beyond ba.se of fourth; basal expansion of exocorium moderate, evenly 
rounded; mesocorinm with one distinct tran.sverse vein, this and endocorium 
with several others feel)l.y and variably develojied. 
cf (fig. 35b). Fifth ventral segment a little longer than sixth; apical 
margin of sixth slightly and broadly emarginate at middle; genital segment 
large, strongly convex, the lobes short; abdomen rather elongate oval, with 
margins notched. Length, 7.5 to 8 mm. 
9 (fig. 35a). Dorsal genital segment about twice as broad as long, the 
anterior and posterior margins about ecpially curved, the latter more angulate, 
transverse or slightly emarginate at middle; abdomen narrowly oval, strongly 
produced j)osteriorly, with margins slightly notched. Length, If to 10 mm. 
Ilololypc . — 9 ; Arizona, in the Uhk'r collection, Xhiited States 
National Mnseiiin, No. 24()7(). 
Allotype . — cf ; same data. 
rarotypes . — cf and 9, same data; 9, Colorado; d' aiul 9, 
W illiams, Arizona, VI, 7, V, 2() (Bar])er and Schwarz), United 
States Natiomd Mustuim and my collection. 
Ihdatt'd to itioriKilos and hlamlelli., from which it may bedis- 
tinf>;nish(Ml by the form of the second tintennal st'iiment and of 
the ])i'onot um, and by numerous details of color and stnudure. 
36. Aradus (Aradus) approximatus sj). nov. (Plate IV, fig. 30.) 
l)e.scri/>lio)i . — Fniform light grayish brown; pah' gi'anules of surface foian- 
ing a |>attcrn of variable but nevi'r great distinctness; ;int('nn;ie dark bc'yond 
middle oi second s('gmcnl ; membrane brownish, \\i(h more or h'ss distinct 
darker maculal ion, and laint p;d(' basal s)iot ; disc of abdonu'n dorsally bright 
I'cd, 
