TIIK M<;AI<' BEETLES. 



1112)5 



Wells, Putnam. Knox and Posey counties; scarce. June 14- 

 September 11. Occurs on poplar. 



2069 (6628). CRYPTOC'F.iMiAij-s VKM sn s Kabr., Ent. Syst.. II. 17'.L-'. 42. 

 Robust, subcylindrical. Head and thorax reddish-brown. 



the latter with sides u;irn>\vl.v :ind two oblique b:is:il spots 

 yellow; color of elytra as given iu key; under surface and 

 legs reddish brown. Thorax finely and rather closely punc- 

 tate. Elytra with regular rows of rather fine punctures. 

 Length 4.5-5.5 mm. (Fig. 485.) 



Throughout the State; common. May 25 August 

 2. Occurs on the flowers of "white-top" (Erigeron) 

 in timothy meadows, also on those of ironweed, wild pl g- 485 : 



(After Wiekham.) 



sweet potato, etc. Varies greatly in color, the thorax 

 being often entirely reddish (var. ontatus Fab.) or the elytra black 

 with sides, narrow line at suture and basal spot yellow (var. ha ma- 

 ins Melsh.) 



2069a (6628c). CRYPTOCEPHALUS VENUSTUS CINCTIPENNIS Kand., Bost. Jourii. 



Nat. Hist., II, 1838, 45. 



A color variety of venustus having the elytra black, \vith narrow mar- 

 ginal line, apex, and rarely the suture, yellow. Length 4-5 mm. 



Northern half of State; frequent. June IG-August 12. Occurs 

 especially on foliage of dwarf birch, Bcliila puniiln L., along the 

 borders of marshes. 



2070 <<>r>37). CRYPTOCEPHALUS TRIV1TTATUS Oliv.. Ent., VI, 1808, S24. 



Smaller, subcyliudrical. Keddish-browu ; thorax yellow, with three 

 rather wide brown stripes; elytra brownish-yellow, each with an oblique 

 stripe (in side and very nnrruw margin brown; also with a cniniinm sutural 

 stripe and a short stripe or oblong spot at base of fourth interval, brown. 

 Sixth and seventh rows of elytral punctures interrupted and confused. 

 Prosternuiu nearly flat, strongly margined at sides, acutely bilobed behind. 

 Length 3.5-4 inin. 



Lake County; rare. -Inly MO. Occurs on hazel. 



C. insertus Hald., thorax i-eddish-brown with sides yellow; ely- 

 tra yellow, with two broad oblique black stripes; length 4.2 mm., is 

 a southern form recorded from Cincinnati. 



2071 (6640). CRYPTOCEPHALUS MUTABILIS Melsh., Proc. Phil. Acad. Nat. 



Sci., III, 1847, 172. 



Robust, subcylindrical. Reddish-brown, shining; thorax with apical 

 and side margins narrowly yellow, with or without two oblique basal spots; 

 elytra pale yellow with a large, common brown spot extending backward 

 along the suture; each also with six or seven small brown spots arranged 

 three in a basal row, one or two near middle and two near apex. Thorax 



