132 RHYNCHOPHORA. 
a. Forehead with distinct strive between eyes; 
base of rostrum almost smooth in centre . 
b. Forehead without distinct strize between 
eyes ; base of rostrum dull and gee: punc- 
tured throughout 
B. Rostrum very gradually subulate ; ; forehead 
with very distinct striz between eyes. . 
IJ. Rostrum cylindrical or subcylindrical, not subulate 
towards apex. 
i. Second stria of elytra united at apex to the eighth stria ; 
antennz inserted at the base of rostrum, which is 
furnished with a strong tooth on each side at the point 
of insertion; legs, in part at least, red ; upper surface 
strongly squamose (Oxystoma, Steph. xee Dum.), 
1. Scales of a uniform grey colour. . .... . 
2. Scales brown, variegated with white. 
A. Elytra dilated and rounded, brown with the 
central interstices white . : 
B, Elytra subparallel, brown with an oblique 
dorsal band and the lateral margin white . 
ii. Second dorsal stria united at apex to the ninth. 
1. Head and thorax black, elytra testaceous, with the 
base and more or less of the suture and sometimes 
of the side margins black . . 
2. Upper surface reddish-brown, clothed with whitish 
pubescence; elytra with two ‘dark denuded dentate 
Banca tal Se Wiehe Rk. EO RIT a 
3. Colour entirely red or yellowish-red (except eyes, 
which are black). 
A. Temples covered with close and strong punc- 
tures. 
a. Colour bright blood-red ; average size larger ; 
eyes smaller and more pr rominent . 
b. Colour pale blood-red ; average size smaller ; : 
eyes much larger and less prominent . . 
B. Temples and throat impunctate, at least 
behind. 
a. Rostrum curved, about as long in the male as 
in the female. 
a*, Elytra evidently dilated behind; head as 
long as broad. . stiiey tee ite - 
b*. Elytra subparallel; head broader than 
longi). 
b. Rostrum ne: arly straight, considerably Tonger 
in female than in male. . 
4. Upper surface dark, black, or of a metallic- blue or 
grecnish-blue colour. 
A. Femora entirely or in great part red. 
a. Pubescence white or ashy, distinct at all 
events on under side of male. 
a*, Intermediate and posterior pairs of tibize 
red in both sexes. 
at. Interstices of elytra scarcely broader 
than striw ; rostrum black in both sexes ; 
elytra subparall lel; size smaller. 
[ Apion. 
A. CERDO, Gerst. 
A. opETIcUM, Bach. 
A, SUBULATUM, Kirby. 
A. ULICIS, Fors. 
A. GENISTH, Kirby. 
A, FUSCIROSTRE, F’, 
A, MALVA, F. 
A. URTICARIUM, Herbst. 
(vernale, F.) 
A. MINIATUM, Germ. 
A. CRUENTATUM, Walt. 
A. HEMATODES. Kirby. 
(frumentarium, Payk.) 
A. RUBENS, Steph. 
A. SANGUINEUM, De G. 
