56 
10. 
1 fe 
3: 
14. 
15. 
Clarence E. Mickel 
Abdomen above distinctly punctured, particularly the first segment 8 
. Fore tarsi not or but slightly flattened; the first joint of the medial 
tars Not Ang@ulay ess 7025s sa Useless «ale nee tee te ee oe 9 
Fore tarsi distinctly flattened; the first joint of the medial tarsi short, 
more, of less ‘angular’ 4. oases iis cease cee belt ae eee ee 14 
. Antennae entire, subclavate, not emarginate; anterior trochanters 
armed with a strong spine or tooth beneath; sternites not marked 
with yellow 25.0505 2 oot es ann ie era aaa ee decemmaculatus 
Antennae more or less emarginate beneath .................00000 10 
Head with large separated punctures; propodeum laterally, at least 
the posterior face, with a series of strong foveae .............. II 
Head closely and rather finely punctured; propodeum without lateral 
EO V GAG a peven clea ihe tos Riek She te RIE rst SS a SSID tects er eee 13 
Abdomen above, particularly the first two tergites, coarsely punctured; 
tergites two, four and five with yellow bands ............. texanus 
Abdomen strongly, though not coarsely punctured above; second ter- 
site at least, “with lateral spots~..cs. us cos ete Come 12 
. Tergites two, four and five with lateral spots; head with large, sepa- 
fated, punctuses .. atccisces one more Gunes le Riet eee stirpicolus 
Tergites two and three with lateral spots, tergites four to six banded; 
head with large, somewhat confluent punctures .............. banksi 
First joint of flagellum not nearly as long as the two following joints 
united, not more than one quarter longer than the second; greater 
part of femora black; sternites not spotted ............ odyneroides 
First joint of flagellum nearly as long as the two following united, 
more than one quarter longer than the second (femora at apex 
broadly, and greater part of tibiae and tarsi, yellow) ..chrysargynus 
First joint of medial tarsi strongly angular on outer margin, shorter 
if anything than the following t'wo joints united; sculpture of meso- 
notum not exceedingly coarse; prepectus usually with a yellow spot; 
tergites two to six of abdomen with a band; tibiae spotted internally, 
dilectus 
First joint of medial tarsi but slightly angular on outer margin, slightly 
longer than the two following joints united; sculpture of meso- 
notum exceedingly coarse; prepectus not spotted ........ rufifemur 
Head finely punctured above, shining, not or indistinctly striated; pro- 
notum declining strongly to the sides, not as wide as the occipital 
margin of head, widely, though not very strongly, furrowed; middle 
femora beneath and greater part of middle tibiae, black; no spots 
On seubeliem "jhaockete «hee foe ede Bite ene eter singularis 
Head strongly striato-punctate above, subopaque; pronotum declining 
but little toward the sides, as wide as the occipital margin of head, 
deeply furrowed; greater part of medial femora and their tibiae 
entirely, yellow; scutellum with yellow spots .......... trapezoidus 
374 
