SUBFAMILY V. APIONINJE. 83 



longer than wide and longer than the lobes of the third joint. All the tibiae 

 of male armed with a short, nearly simple mucro. Length 2 2.5 mm. 



Occurs at Jacksonville and other points in Florida. 



GROUP IV. 



Our species of this group have the tarsal claws toothed and 

 the tibia 1 of males unarmed at tip. With the exception of pcr- 

 in'uiHtiiin and sntitliii, all the Indiana species having the body or 

 appendages notably paler than black belong to this group. Of 

 the 35 species ascribed to the group by Fall, 10 are known from 

 our territory. 



KEY TO EASTERN SPECIES OF GROUP IV.* 



a. Color black; appendages often pale. 



b. Front coxae (at least in male) yellow; femora, front and middle tibiae 

 yellow. 103. AURIPES.* 



bb. Coxae dark. 



c. Antennae at least in part pale. 

 (7. Legs wholly black. 



e. Thorax widest at base; first two joints and club of antennae 



paler; beak shorter than head and thorax. 104. HURON. 



ee. Thorax widest at middle; first joint of antennae pale; surface 



with whitish hairs. 105. VARICORNE.* 



rf(7. Legs in great part pale; club dark. 



/. Larger, 2 2.6 mm.; beak as long or longer than head and 



thorax. (Fig. 38, 7;.) 106. SEGNIPES. 



//. Smaller, not over 1.7 mm.; beak short, stout, scarcely longer 



than thorax. (Fig. 38, (7.) 



g. Pubescence well marked; thorax feebly constricted near 

 apex (Fig. 38, f.); beak as long or longer than thorax; 

 tibiae annulate with black. 107. DECOLORATUJI. 



gg. Pubescence fine, sparse, inconspicuous; thorax deeply con- 

 stricted behind apex (Fig. 38, g.) ; beak very short, broad, 

 subequal in length to thorax; tibiae wholly pale. 



108. EMACIIPES. 

 cc. Antennae entirely black or at most piceous at base. 



7;. Tarsi of male not spined on inner side near apex; legs black 



or piceous. 

 I Thorax subconical (Fig. 38, e.}; legs black or rufescent. 



109. CRASSUM. 

 n. Thorax with apical constriction. 



;'. Elytral intervals strongly convex; beak longer, tapering. 



110. CARIXATUM. 

 ././. Elytral intervals feebly convex; beak shorter, parallel. 



111. ATTENUATUJr. 



*Species marked thus * are so far known only from the South Atlantic coastal 

 region. In addition to the species of the key A. spiinf>cs Fall, described from Arizona, 

 is included in the New Jersey list, possibly through misidentification; and A. vcntricosiis 

 Lee., distributed through Colorado, Texas and westward to Southern and Lower Cali- 

 fornia, is on the D. C. list, and Smith gives Massachusetts as a locality. We believe 

 this also must be an error. 



