SANT ee eS TS 
N y 
‘ rChae 
11 
12 
14 
15 
16 
17 
18 
9 
20 
21 
22 
125 
Abdomen of male flattened at middle, penultimate ventral with a 
straight transverse carina, last ventral irregularly concave, anterior 
margin elevated; last ventral of female deeply and broadly emargi- 
nate, impressed or eroded at middle; thorax coarsely, deeply, and 
irregularly punctate; elytral punctures distinct, coste feeble; color 
DEOL hie bOmCASUANCOUSse os a2 OF TINIIIS C  s et egsteatees ello, aca oe affinis, Lee. 
Sexual characters as in preceding; thorax very coarsely and closely 
punctate; elytral punctures feeble, coste usually well marked; color 
castaneous to pieeous, pruinose. 17-18.5 mm........... prunina, Lee. 
Clypeus concave, moderately reflexed, feebly emarginate............. 12 
Clypeus flat, narrowly reflexed, deeply emarginate................... Pal 
Penultimate ventral of male without distinct elevated transverse 
TOURER GS Se Guest ne Bears ee cy othr RM rg. eR Boe epee aR ore SE Aare ara 13 
Penultimate ventral with distinct elevated transverse ridge, straight 
OnE ATEGKS Bathe ciate Re OR ols lial Act OE DRA ar a a Ie 14 
Penultimate ventral of male with curved rugose impressed channel along 
posterior margin at middle, in front of which is a broadly triangular, 
not elevated, rugose space, last ventral with smooth cupuliform depres- 
sion; body large and broadly ovate, subpruinose; thorax closely, 
rather coarsely, punctate. 15-21 mm............ crassissima, Blanch. 
Penultimate ventral with subcircular rugose impression, border widely 
interrupted behind by hind margin of segment, sometimes slightly 
elevated, last ventral with broad smooth impression; fixed spur rather 
short and broad; clypeus more distinctly emarginate; thoracic punc- 
tures rather coarse and sparse. 15-18 mm............ inversa, Horn. 
Transverse ridge deeply divided by the longitudinal median impres- 
sion; thorax coarsely and rather closely punctate, with smoother 
TNE CHAN Ie oh O TIT ee ir yeavevatiers Coreiis ie wie scene anteaters bipartita, Horn. 
EREAM SMETS Ca ilG SCT CITT Gendt cts eiee ews die aaneacs, ome: SS ow Ceo acces we eels 15 
Surface opaque, conspicuously. pruinose; thoracic punctures distinct, 
sparse, and irregularly placed, median line smoother; penultimate 
ventral of male with short arcuate ridge; fixed spur not long. 
Aceh feeTML INN ee net gc acetate ake Ree Pedes chee Satire rE Sele eases ease ae micans, Knoch 
Surface shining, not pruinose; thorax not very coarsely or closely 
TONG ACHETU UTES a Reet, ns te etree Ses ie ne ne arin CTE AML IR crea 16 
Transverse ridge short, strongly arcuate; female with last segment 
CATA ATR OMT Ef nearer sem cerca epee eds rar hss oars a Bee BON ee achaiee To eat als rae aaa a Ee eUAe wane alr/ 
Transverse ridge longer, straight or but slightly curved.............. 20 
Gees OVER Mancina thr OUSMOMt. semis «cr. wate a undone sda veces Grew oleeers 2 18 
RAC SS SiG LOVE Mam OM see pte ee seis ete ae aces A ceeai es ote we etieves ial eco Mate ROS 19 
Ends of ridge at extreme hind margin of segment and overhanging 
the next; clypeus feebly emarginate; oblong-oval, rufocastaneous to 
TOE EO UN See 10 es TMT see egrets caw he TT) ins 2a Uh gon toh Wea Ss gly arcuata, Smith. 
Ends of ridge distant from hind margin of segment; otherwise not super- 
ficially distinguishable from the preceding. 18-20 mm....dubia, Smith. 
Ridge small, distinct, the ends as well as the rest of the ridge near 
the middle of the segment; claspers of male symmetrical; not no- 
ticeably different from the preceding species........ insperata, Smith. 
Ridge slightly curved, ends overhanging, declivous at middle; female 
with last ventral not emarginate; closely resembling the preceding. 
1 ES =P oo 61 Ta: eT eh Me namie ea a eee ie RA ar ee ee aN fusca, Frohl. 
Ridge nearly straight, not overhanging posteriorly, last ventral gran- 
ulate-punctate; female with last ventral emarginate; larger and more 
robust; thorax subangulate before the middle......... grandis, Smith. 
Thoracic punctuation moderate; club of male antenna much shorter 
(HOWE HSL AST RE v0 Yee ce Pee Sees BR UR oy Pee St en aN A emo Ae GN 22 
Thoracic punctuation very coarse; club of male antenna about as long 
PES) SNe OLS Se ire eee es see cise Sie epoca ROR CEE EIERD "ES RE SRE a a PL aa 23 
Penultimate ventral of male granulate and feebly impressed posteriorly, 
feebly elevated in front, elevation continued by plications extending 
obliquely backward on each side; claspers large, expanded, with 
