1318 PAMII.Y LXI. — MOEDELLID^. 



hh. Head, thorax and legs black or piceous ; pubescence of ely- 

 tra dark brown witb light hair intermixed. inteemixta. 

 66. Second joint of bind tarsi with two oblique ridges. 



i. Body yellow ; thorax with front half yellow with a median cloud, 

 basal half black. decoreixa. 



ft. Body black ; thorax black with two small spots on apical margin 

 reddish-yellow. bipustdlata. 



aa. First joint of hind tarsi with three oblique ridges. 

 ;. Second joint of hind tarsi with one oblique ridge. 

 k. Piceous clothed with brown silken pubescence; elytra paler. 



PICIPENNIS 



kk. Head, thorax and legs reddish-yellow. fulvicollis. 



}j. Second joint of hind tarsi with two oblique ridges. 



I. Elytra black with a reddish or orange-yellow humeral spot. 

 m. Head reddish- yellow. militabis. 



mm. Head black. scapdiaeis. 



n. Elytra without distinct humeral spot. 



n. Body reddish-yellow ; base of thorax black. 2442. ornata. 



iin. Body black. 



0. Head wholly or partly reddish ; thorax brick-red, usually with 

 an oblong black spot near base. 244.S. comata. 



00. Head and thorax black ; pubescence brownish-gray. 



2444. ASPEESA. 



2437 (779S). Mordellistena trifasciata Say, Journ. Phil. Acad. Nat. Sel., 



V, 1826, 243; ibid. II, 308. 

 Body narrow, nearly parallel. Color given in key : head dull yellow ; 

 legs and abdomen tinged with same hue. Length 2.3-2.S mm. (Fig. .577. 6.) 

 Putnam and Spencer counties; scarce. JFay 24-JTily 25. 



2438 (7799). Mordelmstena lepidita Lee, Proc. Phil. Acad. Nat. Sci., 



XIV, 1862, 48. 



Form of preceding. Color given in key ; elytra with three black and 

 Iw.i yellow bands as in trifa.wktii, : abdomen and hind tiUie and tarsi varied 

 with black. Length 2-3 mm. 



Pulaski and Monroe counties ; rare. June 19-June 25. Taken 

 from flowers of hercules club, Aralia :ipiiiosa L. 



24;!9 (7800). Mordellistena i.tmbalis Melsh., Pror. Phil. Acad Nat Sel 

 II, 1845, 315. 

 Slender, wedge-shaped. Largo spot on front of head, disk and front 

 angles of thorax, suture and side margins of elytra blackish; logs meta- 

 sternum and base of antenn.r yellow; mesosternum and ab,lomen blackisl, 

 Length ?, mm. (Pli;. ^77, c.) 



Lake, Tippeca.noe and Knox counties; scarce. June 4-July 5. 



