Revision of Indian species of Baeus Haliday (Hymenoptera: Platygastroidea: Scelionidae)
Author
Kamalanathan, Veenakumari
Author
Mohanraj, Prashanth
Author
Samuel, D. K.
Author
Reddy, M. Krishna
text
Journal of Natural History
2020
2020-09-30
54
13 - 14
813
917
http://dx.doi.org/10.1080/00222933.2020.1770885
journal article
10.1080/00222933.2020.1770885
1464-5262
5020678
878C5BFB-C2CB-4163-A08B-C761B4C6F087
Baeus kubera
Veenakumari
,
sp. n
.
(
Figure 17
(a–d))
http://www.zoobank.org/
urn:lsid: zoobank.org:act:
9946AEDF-7B0A-432D-9BE4-A8FD2D3ED970
Holotype
.
Female; body length = 0.69 (0.63–0.71) mm; n = 3
Colour
(
Figure 17
(a)).
Head, mesonotum and metasoma blackish brown except honey brown mesoscutellum and propodeum; hyperoccipital carina black; a black band present on posterior margins of mesoscutum and mesoscutellum; A1–A3 blackish brown, with yellowish brown patch on basal A2, A4–A6 yellowish brown, clava honey brown; legs dark brown.
Head
(
Figure 17
(a–d)).
Head 1.15 (1.10–1.21)× as wide as high;
IOS
0.50 (0.48–0.53)× width of head, 0.88 (0.86–0.90)× eye length; eye (L: W = 14.1:8.3) densely setose, touching hyperoccipital carina posteriorly; head height 1.81 (1.63–1.92)× eye length; POL>LOL in ratio of 16.9:9.8; lateral ocellus away from orbit, OOL 0.30 (0.28–0.33)×
MOD
; distance from posterior margin of lateral ocellus to hyperoccipital carina 0.43 (0.41–0.46)×
MOD
; pilosity of moderate density, setae of medium length, shorter than those present on mesonotum and metasoma; interantennal process triangular, rugose; length of central keel 0.40 (0.38–0.43)× distance to median ocellus; facial striae distinct and almost touching lower orbit; malar striae absent; frons with semicircular striae on either side of central keel, followed by reticulations; upper frons and vertex with weak reticulations; gena predominantly smooth, with foveae on postero-ventral margin, 3.36 (3.31–3.39)× as long as wide; anterior margin of gena in contact with 0.56 (0.52–0.59)× length of ventral margin of eye.
Mesosoma
(
Figure 17
(a,c,d)).
Mesoscutum and mesoscutellum 0.56 (0.51–0.62)× and 0.18 (0.16–0.20)× as long as wide, respectively; mesoscutum and mesoscutellum
Figure 17.
Baeus kubera
sp. n.
(a) Habitus (colour); (b) Frons; (c) Habitus; (d) Habitus (lateral view).
imbricate; metascutellum not visible; propodeum smooth dorsally, 0.54 (0.51–0.57)× the length of mesoscutellum; pilosity of medium density, setae of medium length; lateral pronotal area dorsally coriaceous reticulate, remainder smooth except for sparse weak vertical striae antero-medially; ventral margin of lateral pronotal area extending as a short blunt projection; dorsal mesopleuron with uneven transverse carinae terminating above the dorsal level of metapleuron; mesopleuron ventrally with a foveate patch followed by small semicircular carinae, remainder smooth; mesopleuron extending as a narrow, long, sharp projection ventrally; mesopleural pit small; metapleuron smooth, except for a patch of shallow foveae ventrally; posterior metapleural suture almost straight gently curving dorsally towards mesopleuron; dorsal level of posterior metapleural suture ventral to level of antero-lateral margin of
T
2; sculpturing of propodeum anterior to spiracle with uneven short carinae, region posterior to spiracle smooth with three short transverse carinae; a short longitudinal carina and a long oblique carina enclosing two long setae present on region ventral to spiracle; remainder of lateral propodeum shallowly foveate; propodeal spiracular opening small, tear-drop shaped.
Metasoma
(
Figure 17
(a,c,d)).
Length and width of metasoma subequal; pilosity of medium density, setae of medium length;
T
2 anteriorly imbricate, posteriorly smooth; remaining tergites smooth.
Material examined.
Holotype
:
Female
(
ICAR
/
NBAIR
/
P3258
),
INDIA
:
Karnataka
:
Chikkaballapur
,
Nandi Hills
, 13
°
37
ʹ
02
ʹ
’N 77
°
68
ʹ
34
ʹ
’E,
1448 m
, YPT,
01.XI.2013
;
Paratypes
:
4 females
(
ICAR
/
NBAIR
/P3259–P3262), same as
holotype
.
Etymology.
This species is named after ‘Kubera’, the king of the Yakshas (benevolent nature spirits), in Hindu mythology. The name is treated as a noun in apposition.
Diagnosis.
This species is closer to
B. himalayanus
sp. n.
, diagnosis mentioned under the latter.