144 RHYNCHOPHOKA — CURCULIONIDAE. 



-B. Posterior femora simple, or posterior femora toothed 

 and thorax nearly as long as broad. 



a. Femora not toothed. 



I, Third joint of antennae twice as long as fourth ; 

 pygidium of female impressed. 



Nearly ovate. Black ; rather closely covered with short, 

 recumbent whitish-gray hairs, on elytra placed in rows. 

 Head and thorax very closely and finely punctured, latter 

 broader than long, and rather narrower than elytra, which 

 have punctured striae and flat interstices punctured in 

 wrinkles. Male with two tubercles, directed backward, on 

 last ventral abdominal segment. L. 1^ — 1^ 1, Eather 

 common. M. campanulae, Lin. 



JjT. Third joint of antennae scarcely half as long 

 again as fourth ; pygidium of female not impressed. 



Black, scantily covered with erect gray hairs, not placed 

 in rows on elytra. Thorax closely punctured, sides rounded 

 behind ; scutellum triangular, pointed, closely covered with 

 gTay-white scales ; elytra with punctured striae, sides 

 tolerably straight ; apex of abdomen simple. L. 1 1. Eare. 



M. micros, Germ. 



6. Posterior femora toothed. 



Oblong ovate. Black, with gray recumbent hairs. Head 

 and thorax finely and closely punctured, latter nearly as 

 long as broad; elytra one-third longer than together broad, 

 with strong punctured striae, interstices narrow, with a 

 regular row of gray- white hairs ; posterior femora with a 

 very small tooth. L. 1^ 1. Eather common. 



M. plant arum, Dej. 



Gymnetron. 



A, Apex of elytra jointly rounded, leaving at most apex 

 of pygidium uncovered. 



a. At least anterior femora with a little tooth. 



Black ; base of antennae, tibiae and tarsi rust-red ; 

 elytra with or without a red spot, variable in size ; body 

 covered with fine gray hairs. Thorax not much broader 

 than long, narrowed in front, sides almost straight, base 

 bisinuate, very finely and closely punctured ; elytra with 

 deep punctured striae, interstices with a row of erect, white 

 bristles. L. | 1. Common. G. pascuoru7n, Gyll. 



