Afrotropical species of the genus Sculptolobus Yang, van Achterberg & Chen (Hymenoptera, Braconidae, Braconinae)
Author
Samartsev, Konstantin
https://orcid.org/0000-0002-9920-7583
Zoological Institute, Russian Academy of Sciences, St Petersburg 199034, Russia
ksamartsev@gmail.com
Author
van Achterberg, Cornelis
https://orcid.org/0000-0002-6495-4853
Naturalis Biodiversity Center, 2300 RA Leiden, The Netherlands
text
Journal of Hymenoptera Research
2021
2021-08-24
84
301
325
http://dx.doi.org/10.3897/jhr.84.68702
journal article
http://dx.doi.org/10.3897/jhr.84.68702
1314-2607-84-301
E6FDE915C31542E2ABA8B80CE3B922A2
5BA39CCDC71356889C3BF1CCF60C44E1
5349670
Sculptolobus lembaensis (Cameron, 1912)
comb. nov.
Fig. 4
Bracon lembaensis
Cameron, 1912: 368;
Shenefelt 1978
: 1501.
Microbracon lembaensis
:
De Saeger 1943
: 376.
Material examined.
Lectotype
(here designated).
Democratic Republic of the Congo
•
Female
;
Kinshasa
,
Lemba
;
Apr. 1911
;
R.
Mayne
leg.; RMCA ENT_000017836.
Distribution.
Democratic Republic of the Congo (
Cameron 1912
).
Figure 4.
Sculptolobus lembaensis
(Cameron, 1912), comb. nov. (lectotype, female, RMCA)
A
habitus, lateral view
B
labels
C
apex of ovipositor
D
head, dorsal view
E
head, lateral view
F
mesosoma, dorsal view
G
head, anterior view
H
head, ventrolateral view
I
metasoma, dorsolateral view
J
fore wing
K
mesosoma, lateral view
L
propodeum, dorsolateral view. Scale bars: 1 mm (
A, J
); 0.5 mm (
E, K, I
); 0.25 mm (
C, D, F-H, L
).
Description.
Female.
Fore wing length 3.2 mm.
Head
.
Width of head (dorsal view) 1.8
x
its median length. Transverse diameter of eye (dorsal view) 1.9
x
longer than temple. OOL 2.7
x
Od; POL 1.4
x
Od; OOL 2.0
x
POL. Longitudinal diameter of eye (lateral view) 1.4
x
its transverse diameter. Face medially convex, but not incorporating clypeus, with complete, high medio-longitudinal carina, 1.4
x
as wide as high. Longitudinal diameter of eye 3.4
x
height of malar space (anterior view). Malar space 0.87
x
base of mandible. Malar suture weakly impressed. Width of hypoclypeal depression 1.2
x
distance from depression to eye.
Antenna
with 30 antennomeres, 1.15
x
as long as fore wing. First, middle and penultimate flagellomeres 2.7
x
, 2.2
x
, and 1.3
x
as long as wide, respectively.
Mesosoma
1.3
x
as long as high. Mesoscutum setose only on notaulic area. Propodeum with branching medio-longitudinal keel in apical two thirds and with deep crenulate medio-longitudinal impression basally.
Wings
.
Vein r arising from basal 0.4
x
of pterostigma. Vein 1-R1 1.8
x
as long as pterostigma. Marginal cell ca. 30
x
as long as distance from its apex to apex of wing. Vein 3-SR 2.7
x
vein r, 0.53
x
vein SR1, 1.7
x
vein 2-SR. Vein 2-SR+M 0.65
x
vein 2-SR, 1.4
x
vein m-cu. Vein cu-a postfurcal.
Legs
.
Hind femur 4.6
x
longer than wide. Fifth segment of hind tarsus 0.8
x
as long as second segment, 0.4
x
as long as hind basitarsus. Claws with shortly protruding and blunt basal lobes.
Metasoma
.
Median length of T1 0.65
x
its apical width; margin of its median area crenulate. T1 with complete dorsal carinae and without sublateral posteriorly converging carinae; dorsolateral carinae of T1 developed. T2 medially 1.5
x
as long as T3; basal width of T2 1.5
x
its median length. Anterolateral areas of T2 strongly separated by sharp crenulate margins and roundly converging sublateral carinae; median area of T2 absent. Dorsolateral impressions of T2 absent; spiracle located in middle of T2, on its dorsum. Suture between T2 and T3 deep, weakly curved, and crenulate. Apical margins of T3-T6 with deep weakly crenulate transverse subapical grooves. Ovipositor sheath as long as hind tibia, 0.34
x
as long as fore wing.
Sculpture and colouration
.
T2-T3 longitudinally rugose; T4 rugose to granulate-rugulose. Body mainly reddish yellow; mesosoma reddish brown; antenna brown; malar space pale yellow; tegulae brownish yellow; pterostigma brown; wing veins yellowish brown; wing membrane weakly darkened.
Male.
Unknown.