Revision of Trichiscus Benoît, 1956 (Hymenoptera, Bethylidae)
Author
Azevedo, Celso O.
text
Zootaxa
2014
3802
3
318
334
journal article
45670
10.11646/zootaxa.3802.3.2
c0980a70-f1f8-479e-bbd1-d56921ed618d
1175-5326
228357
69017751-B8BD-4817-948D-FC58A8FCE67A
Trichiscus wittei
(
Benoît, 1956
)
(
Figs 11
,
26–28
)
Dissomphalus (Trichiscus) wittei
Benoît, 1956
: 562
–563 (description), Benoît, 1957: 25 (fig. 5), 26 (new data).
Trichiscus wittei
:
Benoît, 1986
: 294
(key, combination), 294–295 (redescription), 296 (
Figs 1–2
); Gordh & Móczár, 1990: 266 (catalog).
Description.
MALE. Length 4.0 mm. Body dark castaneous; wings subhyaline. Clypeus with median lobe subtrapezoidal, apical margin thick medially in frontal view, medially with subtrapezoidal polished area; median carina complete, low and straight in profile. Frons strongly coriaceous, punctures little distinguishable from texture surface. Frons with anterior median callus. Vertex almost straight. Notaulus present on anterior half of mesoscutum. Propodeal disc rugose. Hypopygium (
Fig. 11
) with posterior margin with deep and narrow median emargination. Genitalia (
Figs 26–28
). Basal parameral expansion rectangular. Aedeagal ventral ramus long, reaching base of paramere, apex laminar, surface vertical, progressively narrowing apicad, apex spine-shaped. Aedeagal dorsal body with three pairs of apical lobes, outer pair laminar, surface vertical, dilated subapically, apex sharpened and ventrad in lateral view; ventral pair laminar, surface vertical, apex sharpened in lateral view; inner pair stout, membranous, hairy.
FEMALE unknown.
Material examined.
Holotype
♂, DEM. REP.
CONGO
, Rutshuru,
24-IV-36
, L. Lippens, 102 (
MRAC
).
Paratypes
. DEM. REP.
CONGO
,
1 ♂
: Lac Mokoto: c. Kishale,
23-IX-35
, Dr. H. Damas, Parc National Albert, 54 (
MRAC
);
1 ♂
:
Congo Belge
: Kivu, Ritshuru.
1285 m
.,
65-vii-
1935, G.F. de Witte: 1619 (
MRAC
);
1 ♂
:
Congo Belge
: Kivu, Kalongo (lac Ndaraga-Mokoto),
1750 m
. 22 au
27-iii-1934
, G.F. de Witte: 325 (
MRAC
);
1 ♂
:
Congo Belge
: Kivu, Ritshuru,
1285m
. 1 au
6-vi-1935
, G.F. de Witte: 1401 (
MRAC
);
1 ♂
:
Congo Belge
: Kivu, Ritshuru,
1285 m
.
4-vii-1935
, G.F. de Witte: 1623 (
MRAC
);
1 ♂
:
Congo Belge
: Kivu, Ritshuru,
1100 m
.
8-vii-1935
, G.F. de Witte: 1629 (
MRAC
);
1 ♂
:
Congo Belge
: Kivu, Ritshuru,
1285 m
. 6 au
8-vii-1934
, G.F. de Witte: 431 (
MRAC
);
1 ♂
:
Congo Belge
: Kivu, Ritshuru
1285 m
.,
30-xii-1933
au
3-i-1934
, G.F. de Witte: 146 (
MRAC
);
1 ♂
:
Congo Belge
: P.N.A. [=Parc National Albert], Escarpem. de Kabasha,
1500 m
.
14-xii-1934
, G.F. de Witte: 919 (
MRAC
);
RUANDA
:
1 ♂
, Kagogo,
1900 m
., terr. Ruhengeri,, P. Basilewsky
29.1.1953
(
MRAC
).
Variations.
Lobes of posterior margin of hypopygium with posterior margin convex.