Revision of the southern African genera Nemopterella Banks and Nemia Navás (Neuroptera: Nemopteridae: Nemopterinae), with descriptions of new genera and species
Author
Abdalla, Ishtiag H.
Author
Mansell, Mervyn W.
Author
Sole, Catherine L.
text
Zootaxa
2019
2019-07-12
4635
1
1
89
journal article
26219
10.11646/zootaxa.4635.1.1
de5c3cc9-9773-4e79-aaaf-0e964d7262f8
1175-5326
3335102
E1AC3BD4-6FCB-49F9-8069-624760C2CAF7
Nemia angulata
(
Westwood, 1836
)
(
Figs 157
,
162
,
167
,
172
)
Nemoptera angulata
Westwood, 1836: 75
.
Nematoptera angulata
(Westwood)
:
Westwood 1841: 12
.
Nemoptera angula
:
Walker 1853: 475
(Incorrect subsequent spelling of
angulata
).
Halter costalis
(Westwood)
:
Kirby 1900: 458
(
partim
).
Eretmoptera costalis
(Westwood)
:
Navás 1910: 361
(
partim
).
Nemopterella costalis
(Westwood)
:
Navás 1912: 9
(
partim
).
Nemia angulata
(Westwood)
:
Tjeder 1967: 446
.
FIGURE 157.
Nemia
angulata
(Westwood)
, holotype and associated labels (Photo: OXUM).
Etymology.
Unknown, but probably from the Latin word
angulatus
(angle) for the acute wing apex.
Type
locality.
South Africa
,
Western Cape Province
.
Cape
of Good Hope. Subsequently designated
type
locality by
Tjeder (1967)
:
Pofadder
,
Northern Cape Province
,
South Africa
,
29°09’S
19°25’E
. (
Fig. 157
)
.
Type
depository.
OXUM
.
Diagnosis.
This species can be separated from its congeners by the remarkable acute apex of the forewings (
Fig. 162
).
Size
(mm). Male: body length 12.7 (11–14.7); forewing 30.2 (27–35.5); hind wing 62.6 (59–79.9); antenna 35.2 (25–36.1); Female: body length 13 (11.7–14.2); forewing 26.1 (24.9–30.4); hind wing 60.1 (52.2–67.6); antenna 16.6 (15.9–20.9). (N = 31).
Type material.
SOUTH AFRICA
,
Western Cape Province
.
Holotype
♂
(
Photo
), (
Fig. 157
), labelled: ‘C.G.H.’ [=
Cape
of Good Hope] (white handwritten label) / ‘W’ [Westwood] (blue diamond-shaped handwritten label) /
Nemopt.
angulata
Westw., Trans Ent. S.
1 Nat. Lib. Introd. to Entomol. pl. 27 1 (white handwritten label). (
OXUM
).
Other material examined.
SOUTH AFRICA
,
Northern Cape Province
.
5♂
2♀
,
TMSA
00756, Kenhardt
6 m
West of [
29°24’23’’S
21°06’01’’E
]
12.X.54
, A.J.T.Janse /
Nemia angulata
(
Westwood, 1836
)
♀
, Det. M.W.Mansell, 2013;
3♂
,
TMSA
02087, Marydale
5 mi
North of [
29°20’19’’S
22°05’50’’E
],
9–10.x.1954
, A.J.T.Janse /
Nemia angulata
Westw.
det. Tjeder 1966;
3♂
1♀
,
TMSA
02088, Brakfontein, Richtersveld [
28°56’S
17°06’E
],
20.x.1933
, G.van Son /
Nemia angulata
Westw.
det. Tjeder 1966;
1♂
1♀
,
TMSA
00755, Farm Cnydas
12 km
NW Lutzputs [
28°09’S
20°34’E
],
10.x.1980
, Rautenbach, Wolhuter /
Nemia angulata
(
Westwood, 1836
) Det. M.W.Mansell 2013
;
1♂
1♀
,
TMSA
00756, Kenhardt West of,
1–14.X.1954
, A.J.T.Janse /
Nemia angulata
(
Westwood, 1836
)
, Det. M.W.Mansell 2013. (All
TMSA
).
1♂
,
NEUR
08896, Richtersveld, Blackie’s Prospect,
8 km
E Die Koei,
28°18’S
17°05’E
,
320m
,
3.x.1991
, M.W.Mansell / Collected at light. (
SANC
).
1♂
, A001233 [Van] Wyk[s] Vlei, 10.85 /
Nemia angulata
Westw.
, det Bo Tjeder 1966;
1♂
, SAM–NEU–A001241,
Nemoptera bacillaris
Klug
/ Identified with
Nemoptera angulata
Westw.
(
SAMC
).
NAMIBIA
,
Karas Region
.
3♂
,
NEUR
08897, Obib Dunes
54 mi
N.E. Oranjemund, S.W.Afr.,
19.ix.1962
, H.D.Brown, W.Furst;
2♂
1♀
,
NEUR
08899, Diamond Area no.1, nr. Aurusberg,
500m
,
27°32’S
16°10’E
, (2716Ca),
22.x.1974
, M.W.Mansell / Collected at mercury vapour light, arid rocky terrain;
1♂
,
NEUR
03758, Rooiduine at Obib Mountains,
28°07’S
16°44’E
,
1.xi.1999
, M.W.Mansell / Handnetted on sand between
Euphorbia
bushes;
1♀
,
NEUR
08898, Obib Mountains,
28°00’S
16°39’E
,
19.xi.1992
, no collector name. (All
SANC
).
1♂
, SAM–NEU–A001232, S.W.Africa, Kalkfontein /
Nemia angulata
Westw.
, det. Bo Tjeder 1966.
Hardap Region
.
1♀
, A001230, Rehoboth, S.W.A /
Nemia angulata
Westw.
, det. Bo Tjeder 1966; (
SAMC
).
Distribution and habitat.
This species is endemic to
South Africa
and
Namibia
(
Fig. 172
). In
South Africa
, the range encompasses the northern part of Namaqualand and extends eastwards to include the northern portion of the Nama Karoo Biome. In
Namibia
, the range includes the south-western portion of the Namib Desert. The habitats in these areas are characterised by extreme aridity, although the area along the coast is more humid and is characterised by winter rains and succulent vegetation, while the Nama Karoo region is typified by summer rain and a Karoo vegetation
type
.