H. C. FALL. 157 



Elytral intervals feel)ly convex ; beak shorter, parallel. 



93. atfeiiiiaf uin. 

 Legs short, stout, entirely ferruginous; beak elongate, parallel ; form rather 



slender 94. j^olut lim. 



6. First joint of middle and hind tarsi armed with a si)ur. 



Middle femora of % strongly inorassate; elytra with teneous lustre; anterior 



femora and all the tarsi rufous 9.3. (liMpai*i|)e<>i. 



Middle femora only slightly stouter than the anterior, entirely black, with- 

 out lustre 90. !>ipiiiipes. 



First joint of middle tansi only armed. 

 Posterior margin of antenual fovea extending obliquely backward as usual. 

 Middle femora of % noticeably stouter than the anterior. 



97. gracili forme. 

 Middle femora of % not incrassate. 



Larger; pubescence conspicuous ; humeri well developed; metasternum 



normal 98. extensuin. 



Smaller; pubescence moderate; humeri nearly wanting; metasternum 



shorter than the first ventral 99. paralleluiii. 



Posterior margin of antennal fovea transverse; middle femora of ^ not at 

 all incrassate. 

 Antenna? inserted very near the base; sexual rostral disparity well 



marked; tarsal spine acute 100. aciileatiiin. 



Antennae less basal ; sexual rostral disparity less marked. 



Tarsal spine shorter, acute lOL persiniile. 



Tarsal spine long, blunt 102. fibiilipes. 



7. Vestiture hairy. 



Beak short, stout: thorax piceo-seneous ; elytra brown. .103. pyrif*orine. 

 Beak moderately long; species entirely brown. 



Color paler; pubescence uniform, size small 104. lividiilli. 



Color darker; pubescence unevenly distributed. 



Thorax feebly constricted in front, widest at base; claws feebly toothed. 



Second joint of antennje ( 'J, ), or third ( 9 ) reaching the eye; beak 



dull nearly to the tip, obviously longer in the 9; sub-apical callus 



of the elytra weak ; size smaller 10.5. puritan 11 in. 



First joint of antennse reaching the eye ; sub-apical callus strong: 



size large 106. iiiiibonireriiin. 



Thorax rather strongly constricted in front, as wide or wider behind the 

 middle than at base; claws distinctly though not strongly toothed ; 

 beak in great part polished, almost without trace of the finer 

 sculpture in apical half, subequal in the sexes. 



107. Iierviilaiiiiiii. 

 Vestiture scaly, unequally distributed, body obese 108. xaiitli4»x^'li. 



74. A. aiiripes n. sp.— Moderately slender, black, front coxje, all the femora 

 and the front and middle tibia? yellow , hind tibiae and all the tar.si dusky ; pubes- 

 cense fine and sparse. Beak ( % } feebly curved, as long as the head and prothora.x, 

 parallel, slightly dilated at the middle, moderately punctate. Antenuie browni.sh, 

 inserted near the middle of the beak, first joint S(tarcely as long as the next two, 

 third not reaching the eye. Front canaliculose, slightly wider than the tip of 

 the beak ; eyes moderate. Prothorax as long as wide, cylindrical ; sides dilated 



TR.\NS. AM. ENT. .SOC. XXV. OCTOBER, 1898. 



