48 
Ai\ikuk:an species of auadus (hemiptp^ra) 
IG, 1917 (K. P. Vail Diizee); Clareiiioiit (Metz); Laffunitas, Marin ('oiiiity, 
IV, 7, 1907 (Iv C. Van Dyke); Xiles Canyon, V, 23, 1917 (W. M. (iiifanl); 
Oakland, I\’, IG, 1911 (K. C. Van Dyke); San Leandro, VIII, lo, 1920 
(L. P. Van Dnzee); Santa Parliara. 
Description.^lAfihi to dark reddish brown, distinctly varicsated; third 
antennal segment brisld yellow excejit at liase; head with jiale transverse 
mark at base; expanded margins of pronotuin with a ])ale, hyaline sjiot 
anteriorly; liasal margin of pronotmn, ends of carinae, and two anterior discal 
tubercles, jiale; corium yellowish, with fine, irregular, dark brown markings, 
extreme ajx'x black; membrane jiale brown, witli white reticulation; scu- 
tellum dark, (he raiseil margins yellow at middle; edge of abdomen narrowly 
dark brown, posterior margins of connexival segments and inner margins of 
genital lobes pale, a f|uadrate black s])ot in inner anterior corner of connexival 
segments; second segment of rostrum, coxae, trochanters, subapical ring of 
femora, and basal and apical rings of tilhae, yellowish; ventral surface con- 
si )icuously variegated. 
Head as long as broad, longer than pronotum (27 to 21); tylus rather 
short, sides parallel; impressions of vertex rather broad, distinct, slightly 
divergent; ])reocular tubercles very well developed, acute; antenniferous 
spines slender, divergent, with a very difttinct lateral tooth which vaiies fiom 
obtuse to acute; postocular tiiliercles low, rounded; antennae (hg. 17c) 
comparatively slender, about as long as head and pronotum together, the 
first segment reaching a little beyond middle of tyhis, the second as long as 
distance between eyes; rostrum extending a little beyond base of jirosternum. 
Pronotum (lig. 17d) moderately convex iiosteriorly, the lateral margins widely 
expaniled and serrate; carinae narrow, sharjily elevated, the median with a 
consiiicuous granule before the middle. Scutelhmi much longer than iiro- 
notum (34 to 21), nearly triangular but with sides jiarallel just at base, then 
almost straight to acute aiiex, very strongly and sharply raised; disc nearly 
flat, with a low, transverse carina at ba.se. Ilemielytra (cf) extending to 
genital lobes, (9) over base of dorsal genital segment; connexivum entirely 
ex])osed at middle; corium reaching to or beyond middle of lourth segment; 
exocorium moderately expanded at base, mesocorium with one, endocorium 
without distinct transverse veins. Abdomen ovate, a little more narrowed 
anteriorly in the male; margins minutely notched. 
(fig. 17b). Fifth venti'al sc^gment about as long as sixth; genital segment 
sliort, carinate, but slightly convex. Length, G to G.G mm. 
9 (fig. 17a). Post('rior margin of ilorsal genital segment shallowly (unargi- 
nate at middle. Length, G to G.o mm. 
Tyix' spppinipiis (Nih's ('aiiyoii and ('lai'Pinont , ( ’aliloniia). 
No. 821), (dilifoi'iiia AeacU'my of S(‘i('iu‘ps and in \'an 1')uz(H'’!s 
colk'ction. 
ddiis is one of tlu' ino.st l)rig;h(ly marked of the American s])e- 
eies and is well dislinguislu'd in most rt'sjx'cts, not heing; closely 
