1. Mandibles unidentate, falcate (A) …
2
– Mandibles
bidentate, shape various (a) …
7
2(1) Areolet
open, 3Rs–m absent (A); hind wing with distal abscissa of Cu1 absent
(A) …
Lusius Tosquinet, 1903 (3)
– Areolet
closed, 3Rs–m present, sometimes non–tubular (a); hind wing with
distal abscissa of Cu1 present, sometimes very faint (a) …
Heterischnus Wesmael, 1859 (4)
3(2) Clypeus
wide, about twice as wide as high, strongly pointed apico–laterally
(A); flagellum entirely testaceous (male unknown) (B) …
Lusius
flummox
Rousse & van
Noort, 2013
– Clypeus
narrower, about one and a half times wider than high, weakly pointed
apico–laterally (a); flagellum tri–coloured in both sexes: basally
testaceous, medially white and apically black (b)
…
Lusius tenuissimus
(Heinrich, 1938)
4(2) Frons
transversally striate (A); head reddish and yellow (B) …
Heterischnus krausi Schönitzer, 1999
– Frons
polished with fine isolated punctures (a); head black (b) …
Heterischnus olsoufieffi
(Heinrich, 1938)
– Frons
coarsely punctate (aa); coloration of head various (yellow, orange
or red to black) (bb) …
5
5(4) Colour entirely
yellow to orange (A); mesoscutum polished with sparse punctation (B)
…
Heterischnus
mkomazi
Rousse & van
Noort, 2013
– Coloration
darker, at least head black to dark red (a); mesoscutum
transversally striate (b) …
6
6(5) Propodeum
without any distinct carina (A); mesosoma uniformly orange (B);
flagellum
of female with a white median ring (male unknown) (B);
Southern Africa …
Heterischnus mfongosi
Rousse & van Noort
– Propodeum
with apical transverse carina strong (a); mesosoma multi–colored,
black yellowish and testaceous (b);
flagellum
uniformly colored in both sexes (b);
Eastern Africa …
Heterischnus africanus
(Heinrich, 1936)
7(1) Metasomal tergite 2 with
gastrocoeli and thyridiae totally absent (A, B) …
8
– Metasomal tergite 2 with
gastrocoeli (G) present, faint to deep, and thyridiae (T)
differentiated (a, b) …
17
8(7) Propodeal
apophyses strong, spine–like, at least as long as basally wide (A) …
Hoplophaeogenes
Heinrich, 1938 (9)
– Propodeum
without spine–like apophyses, or apophyses hardly distinct (a) …
10
9(8) Antenna
short with less than 25 flagellomeres (A); head mostly dark brown to
black with mandibles, clypeus and frons pale yellow (B) …
Hoplophaeogenes curticornis Heinrich, 1938
– Antenna
longer with more than 25 flagellomeres; head mostly pale yellow with
occiput and vertex black …
Hoplophaeogenes
amoenus
Heinrich, 1938
10(8)
Sternaulus deep and long, reaching beyond mid–length of mesopleuron
(A); areolet open, 3Rs–m absent (B); hind wing with distal abscissa
of Cu1 absent (B) …
Arearia Seyrig, 1952 (11)
– Sternaulus
absent or at least much weaker and shorter (a);
areolet closed,
3Rs–m present (b); hind wing with distal abscissa of Cu1 present,
sometimes non pigmented (b) …
12
11(10)
Mesoscutum and propodeum smooth (A–B); mesosoma mostly brown with
pronotum yellow (C); Madagascar …
Arearia paradoxa Seyrig, 1952
– Mesoscutum
transversally striate, propodeum reticulate (a–b); mesosoma mostly
yellow, dorsally black (c); South Africa …
Arearia oxymoron
Rousse & van Noort, 2013
12(10) Propodeum smoothly
scupltured (at least anteriorly) with
median areas fused into one single mid–longitudinal area (A);
Madagascar …
Chauvinia Heinrich, 1938 (13)
– Propodeum
coarsely sculptured with area supero–media delimited (a); mainland
Africa …Dicaelotus
Wesmael, 1845
(15)
13(12)
Mesosoma mostly black with mesopleuron sparsely and regularly
punctate (A); tropical Africa ...
Chauvinia nyanga Rousse &
van Noort, 2013
– Mesosoma
yellowish orange, mesopleuron polished (a); Madagascar ...
14
14(13) Apex
of propodeum expanded between hind coxae, reaching half their length
(A); clypeus strongly transverse (Ci < 3.0) (B); metasoma of female
strongly elongate, longer than hind leg, with ventral margin of
tergites 3 and following overlapping (C) …
Chauvinia pelecinoides
Heinrich, 1938
– Apex of
propodeum hardly expanded between hind coxae (a); clypeus extremely
transverse (Ci > 3) (b); metasoma of female shorter, shorter than
hind leg, with ventral margin of tergites 4 and following
overlapping (c)
…
Chauvinia
nitida Heinrich,
1938
15(12)
Tergite 2 and
following densely and deeply punctate (A) …
16
– Tergite 2
shallowly punctate, following tergites alutaceous to smooth with
isolated fine punctures (a) …
17
16(15) Ocelli
moderately sized, IOi < 2.0 (A); metasoma mostly reddish (B) …
Dicaelotus cariniscutis
(Cameron, 1906)
– Ocelli
small, IOi ≥ 2.0 (a); metasoma mostly black (b) …
Dicaelotus asantesana
Rousse & van Noort, 2013
17(15) Hind wing with distal
abscissa of Cu1 present as an unpigmented fold (A); mesosoma mostly
black with one pale yellow longitudinal stripe on pronotum and
another one on mesopleuron, mesopleuron and pronotum ventrally
fading to reddish (B); flagellum unicolorous (male unknown) (B) …
Dicaelotus hoerikwaggoensis
Rousse & van Noort, 2013
–
Hind wing with distal abscissa of
Cu1 fully pigmented (a); mesosoma mostly reddish, pronotum black
with a yellow longitudinal stripe, subtegular ridge and axillar
troughs black (b); flagellum medially whitish (male unknown) (b) …
Dicaelotus tablemountainensis
Rousse & van Noort, 2013
18(7) Occipital and oral carina
joining at mandibular base, the junction
separated from mandibular basis by less than carina width (A);
postpectal carina complete (B); face quadrate without distinct mid–longitudinal
bulge (C) …
19
– Oral
and occipital carina joined distinctly above mandibular base (a);
postpectal carina ventrally widely interrupted in front of mid coxae
(b); face short and transverse with a strong mid–longitudinal
bulge laterally limited by grooves (c) …
Tycherus
Förster, 1869 (21)
19(18) Metasomal tergite 2 stout,
less than 1.5x longer than apically wide (A); gastrocoeli deep,
thyridiae concolourous with remainder of tergite (A); flagellum
shorter than fore wing (B); malar space long (Mi > 0.5) (C) …
Diadromus collaris (Gravenhorst, 1829)
– Metasomal tergite 2 elongate,
more than 2x longer than apically wide (a); gastrocoeli very
shallow, thyridiae lighter than remainder of tergite (a); flagellum
slender, longer than fore wing (b); malar space short (Mi < 0.5) (c)
…
Kibalus Rousse & van Noort, 2013 (20)
20(19) Propodeum without any
longitudinal carina, no area defined; punctate rugulose (A); head
mostly black (B) …
Kibalus toro
Rousse & van Noort, 2013
–Propodeum with longitudinal
carina present, area superomedia complete; weakly rugulose (a); head
mostly yellowish–orange (b) …
Kibalus mubfs Rousse & van Noort,
2013
21(18) Propodeum striate (A);
head mostly yellow in frontal view (B) …
Tycherus amatola Rousse & van Noort,
2013
–Propodeum punctate (a); head
mostly white in frontal view (b) …
Tycherus nardousberg Rousse & van Noort,
2013
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