Chakra, a new genus of Scelioninae (Hymenoptera: Platygastridae) from India, along with description of a new species
Author
Keloth, Rajmohana
Author
Kamalanathan, Veenakumari
text
Zootaxa
2014
3821
2
285
290
journal article
45410
10.11646/zootaxa.3821.2.9
31da7976-d477-4f0c-856e-b35be2a01c64
1175-5326
225565
E575DA6A-8969-45C2-A143-A0D22DA9995B
Chakra sarvatra
Rajmohana and Veenakumari
,
sp. nov.
(
Figs 1–11
)
Holotype
: Female.
Body length
=
1.06–1.25 mm
.
Color.
Head, mesonotum, T3–T6 blackish brown; T3 pale medially; Lower frons, lower gena, metascutellum, propodeum, lateral mesosoma, T1, anterior margin of T2 and legs including coxae yellowish brown; Antenna yellowish brown except blackish brown clava; Antennal setae white; Interocellar area, posterior margin of mesoscutellum and lateral T2 darker than rest of the body; Mandible pale with edges of teeth dark brown; Wings hyaline, veins brown.
Head.
FCI=1.27; LCI=1.41; EL:EW=13:8.5, eyes placed wide apart on frons, inter orbital space 1.9 × eye height; Frons with two vertical rows of 3 setigerous tubercles medially above torular triangle from which small strips of striae radiate; OOL:POL:LOL =74:67:36; Radicle 0.18 × length of A1; Clava with six antennomeres; A3–A4, A7–A12 with four rows of sensilla; clava 1.2 × as long as A1; Ratio of length and width of antennomeres from A1 to A6 = 19.6:4.3, 4.7:3.5, 4.7:3.8, 3.8:3.7, 2.2:3, 2.2:3 and clava = 22.3:7.
Mesosoma.
(ML: MW = 34.7:34.4); FWL: FWW = 73.7:26.4; HWL: HWW = 64.3:11.4); 12–13 long and stiff brown bristles present along entire length of subcosta; Ratio of length of marginal vein: stigmal vein: postmarginal vein of fore wing = 3.9: 8.4:13.3.
Hind
wing cilia 0.57× width of hind wing.
Metasoma.
(L:W = 55.3:33); T1 and T2 costate, costae reaching posterior margin of tergites; T2 foveolate on anterior margin; T3 smooth with faint traces of striae confined anterolaterally and with a light brown convex band on posterior end; T3 with an irregular row of setae on posterior margin; T4–T5 with dense setae relative to other tergites; T6 and T7 visible externally; Ratio of length and width of T1–T7 = 7.5:12.7, 12:26.4, 22.5:30.7, 3.4:28.9, 5.3:23.5, 2.0:17.1, 2.6:3.7.
Male:
Length =
1.17mm
. Similar to female except shape of antennomeres. Ratio of length and width of antennomeres A1–A12 = 16.5:3.9, 4.2:3.7, 5.3:4.0, 4.3:3.5, 5.0:3.3, 5.0:3.2, 5.5:3.2, 5.7:3.2, 5.7:3.2, 5.9:3.2, 5.9:3.2, 8.9:3.2; Antenna with short brownish-white setae and sparse long white setae (
Fig.7
).
Etymology.
The species is named ‘
sarvatra
’ meaning ‘everywhere’ in Sanskrit, due to the presence of extensive tuberculate sculpturing on the head and mesosoma of the species.
Material examined.
Holotype
, Female,
(Reg.No.ZSI/
WGRS
/IR.INV. 2656),
INDIA
: South Andaman Island, Garacharma, Central Agricultural Research Institute, yellow pan trap,
22.ii.2012
, 11 0 61’37.48’’ N, 92 0 71’63.79’’ E.
Paratypes
: (Reg.No.ZSI/
WGRS
/IR.INV. 2657),
INDIA
: South Andaman Island: Sippighat, yellow pan trap,
23.ii.2012
, 11 0 60’71.20” N, 92 0 66’90.57’’ E, male; (Reg. No.
ICAR
/
NBAII
/P149), South Andaman Island: Sippighat, 11 0 60’71.20” N, 92 0 66’90.57’’ E, yellow pan trap,
23.ii.2012
, female; (Reg.No.
ICAR
/
NBAII
/P150), South Andaman Island: Sippighat, 11 0 60’71.20” N, 92 0 66’90.57’’ E, yellow pan trap,
23.ii.2012
, female; (Reg.No.
ICAR
/
NBAII
/P151), South Andaman Island: Garacharma, Central Agricultural Research Institute, 11 0 61’37.48’’ N, 92 0 71’63.79’’ E, yellow pan trap,
26.i.2013
, male; (Reg.No.
ICAR
/
NBAII
/P152), South Andaman Island: Ferrargunj, 11 0 72’19.17’’ N, 92 0 65’63.51’’ E, sweep net,
22.ii.2012
, male; (Reg.No.
ICAR
/
NBAII
/P153), South Andaman Island: Sippighat, 11 0 60’71.20” N, 92 0 66’90.57’’ E, Malaise trap,
31.i.2013
, male; All specimens collected by K. Veenakumari.
(Reg.No.ZSI/
WGRS
/IR.INV. 2658)
India
: Kerala:
Calicut
: Peruvayal (Paddy ecosystem), 11 0 15’178” N, 75 0 66’54.237’’ E, Malaise trap,
2.i.2009
, female, coll. by Rajmohana, K.