246 Mr. T. D. A. Cockerell—Deseriptions and 
SCTIUNIGN  ceeeiage ajersits fo eis ote og ions e ReaNe aahole ie 
INRGIES Rane dake Petes Bree vit as orice bie Saaa nie 4. 
1. Lateral face-marks divided. (Philippine Is.). tropeca, Crawford. 
Lateral face-marks entire ............++000: 2. 
2. Pleura with a yellow spot behind each 
EMBGEGLO © cess iam eines tejeG yan a:6 6 eieteie@ 6.ear0.6 accusator, Ckll. 
Pleura without such spots .......... ene ; 
Saplupercles black =... 5 o<icsiee 2 ac-ate is heathen ches pyramidalis, Ckll. 
MuberclesivellOw. iy. scteeews Ga echt eis mceerta, Ckll. 
4, Abdomen beyond third segment entirely black, 
except a small inconspicuous spot on each 
Ride ol MOUTED can eke nein ete ite eet ote selangorensis, Ckll. 
Abdomen beyond third segment banded with 
HOLLOW seve teil arenes tare ss Bloreys Miete Reece Leeks 5. 
5. Apex with a conspicuous median point; sixth 
segment with a large yellow mark ........ collusor, Ckll. 
Apex without a distinct point, ifany ...... 6. 
6. Upper end of clypeus broadly black ........ accusator, Ckll. 
Upper margin of clypeus narrowly black .... 7. 
7. Thorax laterad of parapsidal grooves with a 
large impunctate area, on which is a yellow 
mark ; hind tibiee black with about basal half 
of outer side yellow; hind basitarsi black; - 
tegule: piceous with rufous margins,....... incerta, Ckll. 
Thorax laterad of parapsidal grooves entirely 
black and without punctureless area; hind 
tibia yellow, black on apical half within ; 
hind basitarsi yellow ; tegule testaceous .. conseripta, Ckll. 
Ceratina pyramidalis, sp. n. 
? .—Length a little over 9 mm. , 
Black, including legs, antennze, and mandibles, but with 
the following bright yellow markings: U-shaped mark on 
labrum, cone-shaped or pyramidal mark on clypeus, broad 
but short lateral face-marks (not reaching level of antenne), © 
broad stripes (as long as eyes) on cheeks; slender line at 
each side of prothorax on upper margin, large mark on 
scutellum deeply notched in front, short line on fost- 
scutellum, median mark on first abdominal segment, trans- 
verse mark at each extreme side of third, interrupted band 
(very slender snblaterally) on fourth, entire band (very 
slender laterally) on fifth segment. 'Tegule rufo-piceous ; 
wings dilute fuliginous; mesothorax, except anteriorly, 
polished and impunctate. 
Singapore (Baker, 9282). 
Related to C. perforatriz, Smith, but the clypeal mark is 
quite differently shaped, and the legs have pale hair. It 
may be no more than a subspecies, but at present inter- 
mediates are unknown. 
