| 1 |
external margin of juga straight or slightly sinuous, with no anteocular tooth nor acute angle at basis Pygoplatys (s.str.) | 2 |
| external magin of juga strongly concave, generally leaving the antenniferous tubercle visible from above, with an anteocular tooth or at least an acute angle at basis Pygoplatys (Odontoteuchus) | 21 |
|
| sub-genus Pygoplatys | ||
| 2 |
no humeral
processi, at most the humeral angle slightly protruding |
3 |
| humeral processi
present, more or less developped |
4 |
|
| 3 |
humeral angle
acute, abdomen and pronotum of the same width, species known
from Moluccas Islands |
subrugosus Vollenhoven |
| humeral angle
rounded, pronotum wider than abdomen, species known from
Thailand and Laos |
auropunctatus Blöte | |
| 4 |
humeral processi well developped, with acute apex | 5 |
| humeral processi well developped, with truncated apex | 13 |
|
| 5 |
forewing reddish brown, lighter hue of veins contrasting with the background | 6 |
| forewing showing no particular contrast between vein an background | 8 |
|
| 6 |
humeral processi projected forwards, nearly reaching the level of the apex of the head | lunatus Distant |
| humeral processi transverse, not projected forwards | 7 |
|
| 7 |
pronotum about two times wider than abdomen | lancifer Walker |
| pronotum about one and a half time wider than abdomen | zonatus Stål (forticornis Walker) |
|
| 8 |
humeral processi
transverse |
9 |
| humeral processi projected forwards | 10 |
|
| 9 |
humeral processi less important, ratio of the habitus length versus pronotum width about 3/2 | ingenuus (Walker) |
| humeral processi more important, ratio of the habitus length versus pronotum width about 4/3 | bovillus Stål | |
| 10 |
humeral processi less important, with a metallic green tinge on the rear part | shelfordi Distant |
| humeral processi
more important, no metallic tinge on the rear part |
11 |
|
| 11 |
humeral processi projected forwards, surpassing head anteriorly | tauriformis Distant |
| humeral processi less projected forwards, not reaching fore margin of pronotum | 12 |
|
| 12 |
abdomen margins parallel, abdomen about as wide as maximum width of forewings, pygophore of males clearly surpassing posterior margin of segment VII | firmatus (Walker) |
| abdomen margins convex, abdomen somewhat wider than maximum width of forewings, pygophore of males not reaching posterior margin of segment VII | acutus Dallas | |
| 13 |
Humeral processes perpendicular to body axis |
dupuisi
Magnien |
| Humeral processes pointing forwards |
14 | |
| 14 |
apex of humeral
processi blunt |
15 |
| apex of humeral
processi with at least one clear angle |
16 |
|
| 15 |
pronotum width
surpassing abdomen width by one third, veins concolorous
with the background |
montanus Distant |
| pronotum width surpassing abdomen width by less than one fourth, lighter hue of veins contrasting with the background | obtusus Blöte | |
| 16 |
humeral processi margins converging, truncature oblique | minax Vollenhoven (ralandii Ellenreider) |
| humeral processi margins parallel, truncature right | 17 |
|
| 17 |
width of
pronotum almost equal to lenght of habitus, known only by
the type female |
merinjakensis Distant |
| length of habitus greater than width of pronotum, at least by 15 % | 17 |
|
| 18 |
length of antenna more than 0.55 times pronotum width | jordii Magnien |
| length of
antenna less than half of pronotum width |
19 |
|
| 19 |
lighter
transverse stripe of pronotum includes callosities |
tenangau Magnien & al. |
| lighter transverse stripe of pronotum is behind the callosities | 20 |
|
| 20 |
medium size (about 20 mm), lighter hue of veins contrasting with the background (only known by the male type) | kerzhneri Magnien |
| larger size (about 30 mm), veins quasi concolorous | validus Dallas | |
| sub-genus Odontoteuchus | ||
| 21 | Tarsi three-articulate |
22 |
| Tarsi biarticulate |
berendi Magnien | |
| 22 | humeral processus present,
more or less developped |
23 |
| no real humeral processus, pronotum angular | 27 |
|
| 23 | humeral processus projected forwards | 24 |
| humeral processus transverse | 26 |
|
| 24 | smaller size, 4th antenna
article longer than the 2nd by more than 25 %, female
abdomen apex denticulation reduced |
25 |
| larger size, 4th antenna
article longer than the 2nd by only about 5 %, female
abdomen apex denticulation deep, bicolourous |
rideri Magnien | |
| 25 |
smaller size, unicolorous |
pluotae Magnien |
| larger size, bicolourous |
raingeardi Magnien | |
| 26 |
head in front of the eye clearly longer than width of juga | longiceps Stål |
| head in front of the eye shorter than width of juga | thoreyi Dohrn | |
| 27 | anterior margin of pronotum
concave |
haedulus Stål |
| anterior margin of pronotum almost straight | 28 |
|
| 28 | Smaller (♂ < 14 mm, ♀ <
15 mm), pronotum punctation very coarse, coloration pitch
brown |
streitoi Magnien |
| Larger (♀ > 18 mm),
pronotum punctation thin, coloration light brown |
29 |
|
| 29 |
second antenna segment 0.9 as long as diatone, humeral angle of pronotum very acute | celebensis Breddin |
| second antenna segment shorter than diatone by one third, humeral angle of pronotum almost right | rosulentus Stål |