cs 
10. 
4 
Kry to SpecleES KNOWN TO AUTHOR 
MALES 
Sixth ventral abdominal segment with a broad shallow longitudinal groove 
in center 
Lower central portion of clypeus broadly rounded at apex; oral opening 
extending caudad little more than half-way to posterior margin of head 
from ‘base ‘of mandible: 2.525 .0.5..4 es ose yew ste ee canaliculatus, sp. n. 
Lower central portion of clypeus acutely pointed; oral opening extending 
almost to back of head; mandibular triangle absent 
A IER On IER Op Sener Ott oc RSET NALB Se ee tn eres ee ie NE 5 (Neotiphia) acuta, sp. n. 
Ventral abdominal segments 3 to 5 each with a sharp tooth on middle of 
disc!iom eachtside otis. se eeisia aves eis aise pasiom aioe odontogaster Viereck. 
At most the fifth ventral segment with such tooth, or with an elongate trans- 
verse ridge)/on each side of dist.....2..s2s..02>-<.0) 2.202. oee eee 4 
No tooth, or’ ridge ‘on fifth yentral segment. ..6. osc. cas wc ee = wre oe a 
Mesopleurae doubly punctate on the entire surface; clypeus with lower 
central portion transyerse at apex, punctate almost to margin; fore tibiae 
in front and flagellum below ferrugimous. .:. 25.5.5 sole ce ae yiere cree Sie 5 
Mesopleurae either with large punctures on entire surface or the minute 
punctures confined to margins; fore tibiae and flagellum black.......... 6 
Small species, 5-6 mm. in length; second ventral abdominal segment with 
microscopic shagreenine On ISG... .5.00.< snes eee ciems tuberculata, sp. n. 
Larger species, 7-8 mm. in length; second ventral abdominal segment with- 
OUtFSNALTSSMIN SOM CLS Cicmymncl ater iasia ts oete tere mina ielciekesn incetle iets subcarinata, sp. N. 
Lower half of sides of metathorax with large shallow punctures in addition 
POMEES SUL LATLONS rer ia seus cite terce tet eal estakel etal ad col cleats ane ciat stts occidentata, sp. Nn. 
Lower half of sides of metathorax without punctures, only striate... i occeem 
SSS GN Re a Ne eae ee ne arn ste ar eros ocean ae a ai odontogaster Viereck. 
Basal dorsal abdominal segment without a transverse incision at middle...8 
Basal dorsal abdominal segment with a transverse incision at middle..... 24 
Tegulae much longer than broad................--.+-+----: transversa Say. 
Terzulae as LOA AS LOWS ese eri cle meen mirlelevelo etesen=Naleiai= el ateieor<) uy tuler=\ovele So .eleteasits 9 
Central portion of clypeus flat and broad, its apical margin truncate, the 
width of the central produced portion greater than one-third the width 
between lower angles of eyes (Fig. 11).............-. clypeata Robertson. 
Clypeus generally more or less convex, the apical margin usually emarginate 
and always less than one-third the width between lower angles of eyes 
CRT e ON wet comes cele we cole eter orener tekeliifels <\oxeioteip coven getd ne Sensis es wate erage rece Eee 10 
Mesopleurae with large deep punctures, the disc free from small inter- 
spersed punctures except OM MargiNS.......-- +--+ ees sees eee eee eee 11 
Mesopleurae with large and small interspersed punctures on the entire 
SUIT EELGE, eo esses ha ate ecuet ww tan coevahatePeuasey eel epahelate ne ee: ol ode etencatnr ots tan eciee eae as 14 
