134 RHYNCHOPHORA, | Apion. 
B. Legs dark, entirely black or more or less metallic.* 
a. Forehead with two furrows in the form of a V. 
a®*, Strice cf elytra rather fine and _ scarcely 
punctured ; interstices broader. . . . . . 
b*. Striz of elytra deep and strongly punctured ; 
interstices narrower... . . =. =. ~~. ». - <A. STOLIDUM, Germ. 
b. Forehead without furrows in the form of a V. 
a*, Scutellum long and pointed, with two small 
divergent carinw at base . . . . . . . « A. RADIOLUS, Marsh, 
b*. Scutellum even or longitudinally furrowed. 
at. Forehead with a very large and deep longi- 
Sudinal farvOwaws: Cele wene es: stat pee 
bt}. Forehead without a large longitudinal furrow. 
at. Rostrum with a strong dentiform process on 
each side at the insertion of the antenne . . A. CARDUORUM, Kirby. 
Lt. Rostrum simple, slightly thickened or angled 
at the insertion of the antenne. 
*, Thorax convex, raised on dise and depressed 
at base, with the sides strongly rounded. 
+. Thorax with a broad and very deep furrow 
before scutellum ; elytra glabrous, black in 
male and blue in female. . . . . . . A. SORBI, F, 
(levigatum, Payk.) 
A, CONFLUENS, Kirby. 
A. ENEUM, F’. 
+. Thorax without distinct furrow before scu- 
tellum; elytra pubescent, black in both sexes A. Hooxenrt, Kirby. 
**, Thorax not, or slightly, convex, with the 
sides almost straight, or comparatively 
slightly rounded. 
+. Strive of elytra very fine, somewhat obso- 
lete; thorax almost smooth . . . . . A. LHvIGATUM, Kirby. 
++. Striee of elytra distinct. (brunneipes, Bob.) 
+. First joint of funiculus of antenne short 
and thickened suddenly from base, about as 
broad as the following; thorax very coarsely 
punctured with a broad and very deep 
furrow atibaseraeyawes Wests iia uel Sima 
tt. First joint of funiculus of antenne glo- 
bose, ovate or gradually claviform, almost 
always thicker than the following. 
aa. Sutural strie prolonged to the base of 
elytra. 
aa*, Body behind thorax narrower and 
elongate. 
aat. Rostrum dull, pubescent nearly 
to apex, straight in the male and 
slightly curved in the female . . A, FLAVIMANUM, Gy/l. 
bbt. Rostrum shiny, almost glabrous, 
plainly curved in both sexes ; base 
of anterior tibize in male with a 
testaceousring . . . . . . + A. ANNULIPES, Wenck. 
A. ONOPORDI, Kirby. 
* Occasionally the apex of femora or base of tibiz is furnished with a testaceous 
ring in one sex, as in A. annulipes and A. filirostre, and in A. flavimanum the tibie 
are pitchy brown. : 
+ A. atomarium is a somewhat intermediate species, and might almost be classed 
with the two preceding. 
