118 Clarence E. Mickel 
Stictiella Parker 
KEY TO THE SPECIES 
Females 
. Mesonotum with a U-shaped yellow mark, eyes convergent above; 
length: 26222 tims 2.2 Fee ac ie se ee oe oe ee speciosa 
Mesonotum at most with two longitudinal yellow marks........... 2 
. Pulvilli small, indistinct; clypeus basally, mesepisterna, femora (except 
apically), tibiae within, black; tarsi dark testaceous; venter black, 
plana 
Pulvillt large: amd distinct: ..< gsse.osece eee ee 3 
. Head small, narrower than thorax (head and thorax more hairy than 
usual) ; no marks on mesonotum or mesepisterna ...... emarginata 
Head as ustalsas*wideras thorax ss.sceceaee scotch ore ee 4 
. Length 12-15 mm.; mesosternum in greater part black; front and vertex 
clothed with long, pale grayish hair; puncturation of mesonotum 
very dense, almost granular; fasciae of tergites deeply emarginate 
AMECTION LY: << ct. cis ules Stade 6 Ad ews ee mae ooea eee ee pictifrons 
Length 9 mm.; mesosternum almost entirely yellow; front and vertex 
with sparse, rather short, pale hair; puncturation of mesonotum dis- 
tinct; fasciae of tergites, the first excepted, scarcely emarginate, 
exigua 
Males 
. Intermediate femora smooth beneath; second sternite flat, not tubercu- 
TREE ee cre i ducigie Sia bowie aie ¢ 3 ulbvoS cE ee ae ke Ree as eee pictifrons 
Intermediate femora serrate or carinate beneath, or broadly emargi- 
TALC ye sie cisiece sce thwie vor clorefoyeyavetouatersle arcnbudisvererovel ome (Meir aya etaietete eta eteeatetetenes Arne 
Eighth sternite -with.ay discal «spine. cure sure neneeiae rete elec eee 3 
Bighthusternite withoutvarsdiscal spinegescicee ates eee eee 4 
. Apical joint of fore tarsi greatly enlarged; fore femora flattened; sec- 
ond:-sternite swinaritied | .35. vekies'e daw a cae be see ee speciosa 
Apical joint of fore tarsi not enlarged; fore femora not flattened; sec- 
ond sternite with two approximate tubercles near the posterior mar- 
Sins Miva, “Gisele eee eteisieie celeriac eaetiete eee emarginata 
. Second sternite flat not tuberculate; mesepisterna and propodeum not’ 
at. alls yellow onitsas sneak a leta ote Eee nine eee Erie plana 
Second! sternite tubercalatenss see scien pac ere ete eee ere 5 
. Size large, 20-22 mm.; apical joint of fore tarsi greatly enlarged, black- 
ish; second sternite bituberculate; intermediate femora beneath 
With a TrOwuol SHOLhESpiIMes se. «eerie sei niee ae we eiapetecnen eter spinifera 
Size smaller, 11-13 mm.; apical joint of fore tarsi not greatly enlarged; 
intermediate femora beneath strongly carinated, the carination 
broadly and shallowly concave; first joint of intermediate tarsi 
mitch broadened. 1. oc s/s iccavsc crest ete elareyetore oats aaa eee ae rere exigua 
436 
