1. Striae within
ocellar triangle sparse (fewer than 20); distance between anterior
ocellus and posterior ocellar line in frontal view greater than or equal
to 0.5X POL ...2
-
Striae within
ocellar triangle dense (more than 20); distance between anterior ocellus
and posterior ocellar line in frontal view less than 0.5× POL
...3
2. Sculpture on T1
longitudinally striate, interstices with coriaceous microsculpture;
postmarginal vein absent; notaulus with mesal margin arched, lateral
margin straight; legs beyond coxae yellow; female outer lateral apex of
scape sharply pointed (Western Australia) ............. Platyscelio
arcuatus Taekul & Johnson, 2010
   
-
Sculpture on T1
longitudinally striate throughout; postmarginal vein present, stumplike;
notaulus with both mesal and lateral margins arched; legs beyond coxae
brown; female outer lateral apex of scape bluntly rounded (South Africa)
...
Platyscelio mzantsi Taekul & Johnson, 2010
3. Frontal sculpture
between inner orbit and central keel longitudinally striate, striae
either extending through most of length of frons, or with few (4–5)
striae restricted to upper half of frons
...4
- Frons between inner
orbit and central keel smooth ...5
4. Mesoscutum with one
lateral carina; notaulus absent; sculpture on T1 longitudinally striate
laterally, uniformly setigerous punctate medially (Botswana, South
Africa, Zimbabwe) ...Platyscelio mysterium Taekul & Johnson, 2010
-
Mesoscutum with two
lateral carinae; notaulus present; sculpture on T1 longitudinally
striate throughout (Western Australia) ...Platyscelio striga
Taekul & Johnson, 2010
5. Posterior scutellar
sulcus complete; margin of propodeum longitudinally striate laterally,
rugulose posteriorly; vertex between inner orbit and posterior ocellus
densely striate (sub-Saharan Africa, Yemen) ...Platyscelio africanus Risbec, 1956
-
Posterior scutellar sulcus interrupted medially; margin of
propodeum smooth laterally, longitudinally striate to rugulose
posteriorly; vertex between inner orbit and posterior ocellus smooth
(India east to Guam, Solomon Islands, Vanuatu, eastern Australia) ...Platyscelio pulchricornis Kieffer, 1905
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