H. M. PARSHLEY 
47 
16. Aradus lAradusi curticollis Bergrotli (Plato II, 1(1.) 
1013. Aradus curticollis Bera:rotli, Can. Ent., xlv, ]). 2. 
Dislrihution. — Xoimi C.vrolina: Southern Pinos (A. II. Alanoo). Cnou- 
(;ia: Marietta, III, 5, 1011 (.J. C. Braillcy). 
Description. — Black; finely si’Anulate, the surface .soin-'what shininji; 
thinl antennal se^inient yellowish white, except at extreme base; membrane 
brown; front and middle tibiae paler at middle. 
Head as Ions as broad, much looser than pronotum (2S to 10); tylus 
short, broad, slishtly exjjanded a])ically; impressions of vertex lu'oad, shallow, 
slishtly tlivei’sent anteriorly; jjreocular tubercles obsolescent; antenniferous 
spines slender, slishtly diversent, without lateral tooth; ixjstocular tubercles 
absent; eyes unusually {)rominent, substylated, directed a little upward; 
antennae (fis- Ibc) moderately slender, as Ions as heail and ])r<motum tosether, 
the first sesiRcnt extendins beyond middle of tylus, the second in lensth 
etpial to width of head includins one eye; rostrum reachins base of proster- 
num. Pronotum (fis. Kid) rather flat, the lateral marsins entire, slishtly 
reflexed; carinae moderately elevated. Scutellum (fis. Kid) much looser 
than pronotum (2S to lb), disc with slisht rounded elevation extendins from 
near base to middle, sides very slishtly raised. 
Macropterous form, d' («cc. Bei’sroth). — Ilemielytra reachins apical 
lobes of abdomen, roundly dilated and reflected near base, cxocorium and 
emhjcorium with some transverse ridses, mesocorium with a sinsle oblitiue 
transverse ridse behind the middle. Abdomen three times broader than the 
membrane, apical ansles of fifth sesment very slishtly obtusely prominent, 
male senital lotres oblicpiely slishtly rounded at apex, meetins interiorly. 
Lensth, 5.8 mm. 
Brachypterous form, 9- Pronotum very flat posteriorly, llenuelytra 
(fis. Kid) extendins well beyond apex of scutellum, almost to middle of third 
abdominal sesnient, veins distinct, membrane much reduced. Abdomen 
almost circular, broader than Ions behind scutellum (75 to (iS). (ienital 
structure (fis- Kia) very characteristic; jxjsterior marsin of dorsal senital 
sesment almost straisht. Lensth, (i mm. , 
Type' specimen (Soutliefii Pines, Nurlli ('aroliiui) in D(‘ la 
4V)iTC-Bueno’s collection. 
This rare species is well distingnished hy head structure, an- 
tennal coloration, short pronotum. Inroad abdomen in both st'xes, 
and female genitalic traits. It is one of the few in this group 
which are polymor])hic with respect to wing development. 
17. Aradus i Aradus i depictus Van Duzee (Plate II, fis'. 17.) 
K)17. Aradus depictus Van Duzee, Proc. California Acad. Sci. (4), vii,p. 25. 
Distribution. — British Colhmhia: Xorth Bend, \’l, ti (11. (I. Hubbard); 
\'ictoria. Oregon: Portland, V, 22 (H. (t. Hubbard). Cai.ifornia: 
Berkeley, X, lb, K)K) (E. C. Van Dyke); Bryson, Monterey County, I\ , 
TRANS. AM. ENT. SOC., XIATI. 
