CRYPTOCEPHALUS IN AMERICA NORTH OF MEXICO 



19 



49(33). Pronotum pale, with large central and one or two suiiill lateral dark 

 spots on each side (fig. 17); each elytron with eight dark spots and 

 a common sutural spot (fig. CO), discal spots sometimes joined. 



egregius Schae0"er 



Pronotum and/or elytra not as above 50 



50(49). Elytron pale with only a single dark spot on humeral callus or no 

 distinct markings present (punctures may be pigmented) . . , .51 

 Elytron with more or less distinct markings or dark with light spots . 65 

 51(50). Pronotal disk densely, longitudinally furrowed, sides densely punc- 

 tate (fig. 8) ; eastern U.S schrelbersii Suffrian 



Pronotum not furrowed, evenly punctate; various localities .... 52 

 52(51). Small, length about 2.0 to 2.7 mm.; scutellar stria of six to nine punc- 

 tures 53 



Larger, length 3.3 to 7.5 mm.; scutellar stria of 3 to 15 punc- 

 tures 54 



53(52). Elytron with nine entire rows of punctures, these and pronotal punc- 

 tures larger (fig. 38); northeastern U.S. to Iowa . striatulus Leconte 

 Elytron with seven entire rows of punctures, these and pronotal 

 punctures smaller (fig. 69) ; Florida to Virginia . pumilus Haldeman 

 54(52), Raised margin at side of elytra and bordering epiplexiron black or 

 dark brown throughout (fig. 101). 



gibbicollis decrescens, new subspecies 



Raisedmarginatsideof elytra orange, yellow, or black only in part . 55 



55(54). Pronotal disk inflated, coarsely punctate throughout; length 6.0 to 



7.5 mm.; Fig. 75; Florida aulicus Ilaldcman 



Pronotum not inflated, evenly arcuate in outline; rarely coarsely 



punctate; length 3.4 to 6.0 mm.; various localities 56 



56(55). Elytral punctures larger, pigmented, and predominantly confused, 



forming distinct rows only at side, apex, and sometimes at base 



(fig. 97) ; pronotal punctures rather coarse . . binotatus, new species 



Elytral punctures not as above, forming distinct rows throughout; 



pronotal punctures not coarse 57 



57(56). Each elytron with nine rows of punctures, sixth, seventh, or eighth 

 sometimes confused (if in doubt, count an incomplete series as a 



row) 58 



Each elytron with seven or eight entire rows of punctures, fifth, sixth, 



or seventh often confused 62 



58(57). Ventral surface reddish and/or yellowish and clouded or margined 



with blackish to predominantly blackish 59 



Ventral sm-face reddish or yellowish and without black 60 



59(58). Length 4.1 to 5.8 mm.; punctures of adjacent striae separated by 

 four or more times their diameters, striae less confused at side 

 (fig. 88) ; New Hampshire to Virginia to Wisconsin. 



venustus simplex Haldeman 

 Length 3.9 to 4.0 mm.; punctures of adjacent striae separated by about 

 their diameters, striae more confused at side (fig. 96) ; Arizona. 



astralosus, new species 

 60(58). More elongate, body 1.75 to 1.85 times as long as wide; dorsal surface 

 distinctly shining (fig. Ill); elytra generally with two vague, trans- 

 verse bands; Arizona vapidus, new species 



Less elongate, body 1.5 to 1.6 times as long as wide; dorsal surface 

 (especially pronotum) less shining; with vague longitudinal bands or 

 no markings; Massachusetts to Florida to Louisiana 61 



