READING PUBLIC MUSEUM AND ART GALLERY

LAWRENCE S. DILLON AND ELIZABETH S. DILLON 19
KEY TO SPECIES
1. Elytra with base distinctly paler pubescent than remainder of its surface .... 9
Elytra with base pubescence similar in color to that on remainder of its surface,
not distinctly paler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Elytra entirely dull fulvous-brown pubescent, with basal gibbosities very feeble
and basal punctation very sparse. . . .. . . . ..... simplex (p. 40)
Elytra grayish or grayish-green, usually mottled with brownish, never uni-
formly fulvous-brown, basal gibbosity distinct, basal puntation denser . . . . 3
3. Abdomen beneat.h with a broad, shining, glabrous area . . . .. . . . . . . . . . . . . . .. 5
Abdomen beneath entirely (but thinly) covered with grayish pubescence .... .4
4. Elytra with basal gibbosities short, strongly elevated, with a row of coarse
granules along its crest ; humeri more projecting; pronotum with lateral
tubercles of disk more or less connected, not well elevated . . inonwta (p. 41)
Elytra with basal gibbosities c1ongatc, broader, not strongly elevated, and crest
with small, irregularly-placed granules; hWll(ri weakly projecting; pronotum
with later31 tubercles of disk more or less connected, not well elevated
afmis (p. 48)
5. Pronotum with lateral tubercles of disk well separated. .. .. ........... 0
Pronotum with lateral tubercles Qf disk more or Jess conjoined ......... 7
6. Elytra with humeri more projecting, angle obtuse, tubercle not prominent, fol­
lowed posteriorly by a distinct carina; front with sid,s E' nearly parallel
opalina (p. 44)
Elytra with humeri prominent, not. projecting, angle with a rounded, prominent
tubercle, not followed by a cli;;tinct. carina ; front dit.inctly n.1rrowec:!
between eyes . .. . .. . . . . .. . . . . . . ... . . .. . .. . . . . . . . . . .. . .. . charila (p. 43)
7. Elytra with basal gibbosities arcuate, their posterior ends nearly attaining
suturc; humeri not strongly projecting, the angle truncate; fifth sternite
thinly gray pubc.ocent medially . . . .. . .. . . . ................ . attalia (p. 45)
Elytra. with bas.q\ gibbosities strllight, not approaching suture with their
posterior ends; humeri strongly pl'Ojecting, [i,llgles not truncate; fifth
sternite glabrous medially . . . . .................................... 8
8. Abdomen with first sternite entirely gray pube2cent except extreme apical
mllrgin at middle; elytra with baslll gibbositie3 short, humeri moderately
elevatcd ................................ . ............ hczia (p. 40)
Abdomen with lirst sternitc gray pubescent only lnteral1y; elytra with
baal gibbosities elongate, humeri strongly elevated . ...... . anstonia (p. 47)
9. Abdomen medially glabrous, .shining, entirely devoid of pubescence there
except for sparse, scattered, hoary setae . .. . . . . . . . . . . . . . . ........ 10
Abdomen medially thinly, finely, brown or gray pubescent, not shining .. . . . 14
10. Pronotum uniformly hoary pubesccnt. . . ......... . .... . . . . stcinbachi (p. 27)
Pranotum with mixed pubescence, not entirely hoary . .. . . . . . .. . . . .. . ... 11
11. E1ytm with angle of humeri broadly rounded, basal gibbosities feebJy
elevated, beginning at extreme base, more or less parallel to one another,
with one or two rows of granules along creEt, never marked with bright
orange-fulvous pubescence . . .. . . . . ...... . . .... . . . .. . .... . . ..... . . . .. 12