402 PROCEEDINGS OF THE NATIONAL MUSEUM VOL, 92 
Frons of male finely punctate, broadly depressed ; pronotum with 
fine punctures, covered with yellow hairs; Yucatan, host un- 
known =<teke@e nea, hae SS coronatus * Chapuis (p. 416) 
12. Male more than twice as long as wide, frontal concavity moder- 
ately wide, very deep, carina reduced to small epistomal tooth; 
declivital serrations on first interspace of male sparse, long, 
slender, spinelike (longer than width of interspace), spines 
on third interspace slightly smaller; New Mexico, Arizona. 
spinosus, new species (p. 417) 
Males less than twice as long as wide, frontal concavity very 
deep and moderately to very wide, carina distinct, elevated; 
declivital serrations on first and third interspaces sparse, 
Acute; not long and! spinelike? Califormiase] = a2. ems nee eee al 
13. Black throughout; frontal concavity of male moderately 
broad, granulate-punctate at sides and above; vestiture of ely- 
tral declivity entirely hairlike in both sexes_____ swainei Bruck (p. 418) 
Black with elytra reddish brown; frontal concavity of male 
very broad, granulate-punctate at sides, punctate above; vesti- 
ture of elytral declivity partly scalelike in both sexes__.______________ 14 
14. Elytral interspaces punctate, scarcely granulate, with asperi- 
ties uniseriate from base and larger posteriorly on first and 
alternate interspaces; declivity with small, acute teeth on first 
and third interspaces, vestiture moderately abundant. 
granulatus Bruck (p. 419) 
Elytral interspaces densely punctate-granulate, with asperities 
uniseriate behind middle on first and alternate interspaces; 
declivity with moderately high, sharp, recurved teeth on first 
and third interspaces, vestiture more abundant__ frontalis Bruck (p. 421) 
15. Frons of male granulate-punctate at sides, punctured above 
concavity ; elytral interspaces strongly asperate in both sexes; 
declivity with small, rather sparse asperities on first and third 
interspaces ; California, in Cupressus sargentii and Libocedrus 
GCOCUTICNS2 Se ee es ee 25 A ere setosus Bruck (p. 422) 
Frons of male granulate-punctate throughout; elytral inter- 
spaces more weakly asperate on disk in male; declivity with 
minute, obsolescent asperities on first and slightly larger ones 
in third interspaces; southern Arizona, in Cupressus arizoni- 
C2 S22 te 2 eee he Baebes arizonicus, new species (p. 424) 
16. Brightly shining; elytral striae strongly impressed, and at 
least moderately wide, with coarse punctures (except in van- 
dykei group) ; declivity of both sexes with serrations of first 
and third interspaces subequally developed, sometimes with 
some of serrations on first interspace of males obsolescent 
MCAT AAPOR as Fe sa a 2s ee ee ee ee an, 
Moderately shining; elytral striae ranging from narrow to wide, 
and punctures from small to very coarse; declivity of male 
with first interspace unarmed, or serrate only at top of de- 
: CULV Sty ses i ne ee 24 
17. Elytral declivity with first and third interspaces in both sexes 
scarcely serrate, Second interspace subequal or slightly nar- 
rower than otherspins width) 2-2 25s ae ae ee eee 18 
7I have not seen a specimen of this species and cannot be certain it is correctly placed 
in the key, as the original description is rather general. 
