Revision of the Afrotropical Arge mirabilipes group, with description of two new species and annotations to other Arge species of this region (Hymenoptera: Symphyta: Argidae: Arginae)
Author
Koch, Frank
Author
Eardley, Connal
text
African Invertebrates
2011
2011-12-31
52
2
457
457
http://www.bioone.org/doi/abs/10.5733/afin.052.0213
journal article
10.5733/afin.052.0213
2305-2562
7917078
Arge kungveldensis
sp. n.
Figs 1–5
,
24
Etymology: This species is named after its collection locality Kungveld, the earlier name of the Namibian Bushmanland in North-East
Namibia
.
Description:
Female
.
Head black; labrum light brown margined, apical half of mandible dark brown; frons and base of clypeus dark brown, postocellar area dirty yellow; scape and pedicel black
(ÀDJHOOXP PLVVLQJ). 7KRUD[EODFN, SURQRWXP ZLWK GDUN EURZQ YHQWUDO SDUW DQG \HOORZ
centre, tegulae dark brown, mesoscutellum and mesoscutellar appendage yellow. Legs dark brown. Wings infuscate; substigmal spot of forewing moderately developed, stigma blackish, costa brown, somewhat darker apically, subcosta and rest of venation blackish becoming brown apically. Abdomen yellow; terga
1–8
broadly black, tergum
9
black, sterna
6/7
brown with yellow posterior margin, sawsheath black, ventral margin and apex yellow.
Head enlarged behind eyes. POL:OOL=1.0:1.0; MS:IA= 1.0:2.9. Eyes nearly parallel, lower interocular distance 1.5× eye length; clypeus circularly emarginated me-
GLDOO\, VXSUDFO\SHDO DUHD ÀDWO\ URXQGHG WR SRLQW RI LQWHUDQWHQQDO FDULQDH ()LJ. l), LQ‒ WHUDQWHQQDO FDULQDH REWXVHO\ ULGJHG EHWZHHQ DQWHQQDH, EHFRPLQJ JUDGXDOO\ ÀDWWHQHG,
scarcely converging downward, short, ending about ¼ way from ventral margin of toruli to clypeus. Vertex and gena very sparsely micropunctate, shining; frons, supraclypeal area, clypeus somewhat densely punctate, shining, malar space rugosely sculptured, dull; pubescence whitish, shorter than the diameter of lateral ocellus. Mesoscutum nearly impunctate, pubescence similar to that on vertex.Abdomen smooth and shining; tergum
1
transversally microridged. Sawsheath in lateral view slightly pointed at apex (
Fig. 2
), in dorsal view broadly and obtusely pincer-shaped apically, as in
Fig. 3
. Lancet
DV LQ)LJ. 4 ZLWK ¿OLIRUP WULFKRLG VHQVLOODH, ZLWK DERXW ƻƻ VHUUXODH; VHUUXODH DW FHQWUH VDGGOH‒VKDSHG, EURDGO\ URXQGHG DW DSH[, ZLWK DERXW RU 4 ÀDW, LUUHJXODU SRVWHULRU VXE‒
basal denticles and two small anterior sub-basal denticles (
Fig. 5
).
Length:
9.3 mm
.
Male
. Unknown.
+RORW\SH: Ƃ ³7VXPNZH,.XQJYHOG,,.l9ƽ9, &.
Koch”; “
Holotypus
,
Arge kungveldensis
VS. Q. Ƃ, GHW.
:).
Koch, 2009” [red] (
TMSA
).
Note
:
7KH ÀDJHOOD RI WKH KRORW\SH DUH PLVVLQJ
.
Distribution:
Namibia
(
Fig. 28
).
Host plant: Unknown.
Remarks:
A. kungveldensis
differs mainly from
A. taitaensis
by the dark brown tegulae and ventral part of pronotum, and the extensive black colouration of the abdomen. The differences from
A. mirabilipes
are discussed under the latter species.