BEETLES OF GENUS LUPERODES—BLAKE! 59 
Sy Hiytra entirely; black 252. 6) ~ueoee Yen eas flavoniger, new species 
Elytra pale yellow or brownish, sometimes with dark sutural, 
IAPCLAL Gr MATeIN Al SUACIIGS 220" Mes Mae cc ee Le TDs 8 8 9 
9. Elytra entirely pale, without dark sutural, lateral, or marginal 
SEL lira Osan ee RP NE eR HET UT EA AE ce USL Ne Wee eee ae NA 10 
Elytra brown or pale yellow, with sutural, lateral, or marginal 
Garkned gesjor ShaGin geuw mules. wok yew a beray sd dasier Sree yaaa Be gu kre es 16 
10. First tarsal joint of hind leg not so long as remainder together, 
sedespus sport and relatively broad...) 2-2 Se ee ee 11 
First tarsal joint of hind leg approximately equal to or longer 
then rest together, aedeagus long and relatively narrow____--------- if. 
11. Antennae in male much enlarged__._-_--_....---------- crassicornis Fall 
Antennae inemalenotmuehrenlancedses to. - sues ies ee se eee ere 12 
12. Elytra very polished, head brownish__---_....-2------_=---- curvatus Fall 
Elytra not polished, head’ pale. = - =. 2s- 3.25 2: vandykei, new species 
13. Antennae uniformly dark, without paler basal joints. popenoei, new species 
Antennae with the basal joints paler than rest__._.____.__-_---_---+---- 14 
14. Narrowly oblong, aedeagus spoon-shaped. New Mexico. 
elachistus, new species 
Oblong oval, aedeagus not spoon-shaped, with a narrow tip___-------- 15 
15. Aedeagus with tip long, narrowly compressed, and, when viewed 
from side, irregularly curved. Texas__------_- pallidulus, new species 
Aedeagus very narrow its entire length and when viewed from 
side somewhat arcuate but not much ecurved__-_-__- brunneus, pale form 
16. Elytra rugose, semicostate. Lower California____ rugipennis, new species 
Elytra not costate or rugose. United States_._.____._.._------------=- 17 
TEP BETO ih GUS) I aR a ARNE aN ier NPR brunneus (Crotch) 
Wellow: with brown shadings or, edgess.2en {abe Ua AS See oo See 18 
18. Narrowly oblong, very tiny (8 mm.). Chiricahua Mountains, 
VN crip Aaa nig WO Ese) sa pega OAc D BINA TOO) MeN asi tie Be aS een SE Be chiricahuensis, new species 
Grate eel lt see cy eae Sard seve 3 ewe tb ie yemet): he ee Eps ale: 19 
19. Very conspicuously and densely punctate___. punctatissimus, new species 
Punctate: but-snot-very,conuspicuously S022 a2 22 2 aos ee ee es 20 
20. Interocular space less than half width of head, eyes large, 
Baboquivari Mountains and vicinity, Ariz__---_--- ocularis, new species 
Interocular space half or more than half width of head_____-_--------- 21 
21. Aedeagus very narrow most of its length when viewed from 
22. 
above; elytra with suture more or less darkened and often 
with a median brownish area sometimes extending across it. 
varicornis (LeConte) 
Aedeagus broader, narrowed only toward tip; elytra pale 
without dark shadings, only sutural and marginal edges 
(ob shin Cute ONT gL Uae gee, HOY MRP ENG (Uy ap geet 0 Wry sO Pa kM OA Gna eg epee ge 22 
Aedeagusi2-partedtati tips seo) osc Bee me ee brunneus, pale form 
Aedeagus not 2-parted at tip__.......-....----+--- convexus, new species 
LUPERODES BIVITTATUS (LeConte) 
PLATE 6, Figures 14, 15 
Phyllobrotica bivittata LEConteE, Proc. Acad. Nat. Sci. Philadelphia, 1859, p. 81. 
Luperus bivittatus LEConts, Proc. Acad. Nat. Sci. Philadelphia, 1865, p. 209. 
Luperodes bivittatus Horn, Trans. Amer. Ent. Soc., vol. 20, p. 110, 1893. 
LeConte’s type of bivittatus in the LeConte collection at Cambridge 
is labeled Fort Tejon and is probably the only specimen that he had 
