58 
AMERICAN SPECIES OF ARADUS (iIEMIPTERa) 
24. Aradus (Aradus) medioximus sj). nov. (Plate III, fig. 24.) 
Desert pUoti . — Pale ro(lili.sh or einnanioii brown, with some darker shadings 
on pronotal dise, seutelluin, and veins of eorinni; antennae darker toward 
apex, the seeond and third segments narrowly i)ale at ti]E a])ieal angles of 
eonnexival segments ob.seurely jiale, lateral margin with an obseure dark 
line; dise of abdomen pale reddish; ventral surfaee pale reddish brown, 
thoraeie sterna darken’; legs reddish, i)ale at joints. 
Head as long as broad, eepial in length to pronotum; tylus rather large, 
thick, the sides |)arallel; vertex elevated, coarsely gramilated; impressions 
of vertex narrow, widely se])arated, slightly divergent anteriorly, connected 
posteriorly; i)reocular tubercles large; antenniferous spines rather small, 
moderately divergent, the lateral tooth very distinct; antennae (fig. 24c) 
slender, cylindrical, shorter than head and pronotum together (02 to 72), the 
first segment extending not (piite to middle of tylus, length of second ecpial to 
width of head including one eye; rostrum extending somewhat beyond middle 
of mesosternum. Pronotum (fig. 24d) strongly biconvex, the anterior lobe 
well elevated, the transverse dei)ression shar])ly marked; sides moderately 
ex])anded and retlexed, very coarsely toothed, laminate to anterior angles; 
carinae distinctly raised, the intermediate pair very thick and coarsely granu- 
late. Seutelluin slightly longer than pronotum, sides slightly elevated, 
jiarallel in basal one-third, then slightly coneavely arcuate to rounded a])ex; 
disc depressed, with slight central elevation. Hemielytra (9) extending 
nearly to ajicx of dorsal genital segment, strongly narroweil exjiosing disc 
of abdomen at sides, corium reaching nearly to apex of fourth segment; 
basal ex|)ansion of exocorium moderate, elongate; mesocorium with one, 
endocorium without transverse veins. 
cf. Unknown. 
9 (fig. 24a). Dorsal genital segment very large, twice as broad as long; 
posterior margin straight, transverse; lobes as viewed from above short, 
broad, contiguous inwardly; abdomen broadly and evenly oval, the mai’gins 
entire. Limgth, S.ti mm. 
Holotjjpe. — 9 ; (’alifoniia, in niy collection. 
Paratt/pes. — 9; \4uiconver Island, British ('olunibia, 21, 
1807 ((J. W. Taylor), in \'an Dnzee’s collection; 9, [nnknown 
locality], \', 18, 18t)7, in II. Osborn’s collection. 
This si)('ci('s is rehittal to pcrsiinilis and vadosm, being; in some 
ri'sjxuds intxM’iiUMliatt'. h'roin tlu* fornu'r it is distinguished by 
Ili(‘ sti’ucturi' of th(‘ pronotum tind of the uenital lobes :ind from 
tli(' lall(M’ by anttumal :ind tdxlomimd (‘luiracters, (dc. 
25. Aradus (Aradus) vadosus \din Duzec' (Plate' 111, fig. 25.) 
Itt20. Aniihts vttdosus \’an Duzc'i', Proc. Califoriua Acad. Sci.. (4), ix, p. If.'kb 
Di.slrilniliiin. IbtiTisii ('oi.umiua: N’ancouver Island, IX, ti, lS(t(t ((!. 
\\ . 'I'aylor). .M ( )N'r,\N.\ : bo bo, \', 1.5, Itll b 
