Antlions of southern Africa: Syngenes Kolbe, 1897, with descriptions of two new species and comments on extra-limital taxa (Neuroptera: Myrmeleontidae: Acanthaclisini)
Author
Mansell, Mervyn W.
text
Zootaxa
2018
2018-10-10
4497
3
346
380
journal article
29173
10.11646/zootaxa.4497.3.2
eb673df4-addc-4ff1-a244-12940e61c6ac
1175-5326
1455058
F847993D-11E7-41A9-8E57-08C64450D1A3
Key to species of Afrotropical
Syngenes
1. Taxa from Africa...................................................................................... 2
- Taxa from
Madagascar
and
Indian Ocean Islands
............................................................. 6
2. Tibial spurs right-angular, with prominent internal flange (
Figs 4, 5
); biaereolate cells present in costal area of forewing before Rs (
Fig. 3
); abdomen with chevron-like pattern (
Fig. 11
).
Eastern
African coastal belt,
South
Africa
to
Somalia
............................................................................................. S.
longicornis
(Rambur)
.
- Tibial spurs not sharply bent at a right angle, more evenly curved and lacking prominent triangular flanges............... 3
3. Biaereolate cells absent from costal area of forewing before Rs and rarely present before Rs2 (
Fig. 27
); unbroken series of biaereolate costal cells only commencing beyond Rs2; tibial spurs slender, strongly curved (but not bent at right angle), with slight flange in forelegs (
Figs 28, 29
);
Central, South and Eastern
Africa...........................
S. medialis
sp. nov
.
- Biaereolate cells present in costal area of forewing before Rs or commencing at Rs with three or more before Rs2......... 4
4. Wings narrow relative to other
Syngenes
species (
Figs 44, 45
); body black with bright yellow markings (
Figs 46
,
51
). Namibia and Northern Cape Province, South Africa....................................................
S. scholtzi
sp. nov.
- Wings broad; unbroken series of biaereolate cells present in forewing costal area from before Rs2 to pterostigma. Central and West Africa........................................................................................... 5
5.
Costal area
with 1–2 biaereolate cell before Rs in each forewing (based only on the
Holotype
from
Congo
) (
Figs 73, 74
). Wings heavily marked.............................................................
S. inquinatus
(Gerstaecker)
.
-
Costal area
with variable number of biaereolate cells (1–4) before Rs (based only on one
syntype
from
Lagos
,
Nigeria
), slender species, wings not heavily marked, spurs curved, slender (
Figs 76, 77
).........................
S. debilis
(Gerstaecker)
.
6. Forewing costal area with many (> 8) biaereolate cells before Rs..............................
S. dolichocercus
Navás
- Forewing costal area with fewer (<6) biaereolate cells before Rs.............................
S. maritimus
(Needham)