Chakra sarvatra Rajmohana and Veenakumari

Keloth, Rajmohana & Kamalanathan, Veenakumari, 2014, Chakra, a new genus of Scelioninae (Hymenoptera: Platygastridae) from India, along with description of a new species, Zootaxa 3821 (2), pp. 285-290: 288-289

publication ID

http://dx.doi.org/10.11646/zootaxa.3821.2.9

publication LSID

lsid:zoobank.org:pub:E575DA6A-8969-45C2-A143-A0D22DA9995B

persistent identifier

http://treatment.plazi.org/id/A0322C16-FFD2-FFE3-FF23-F96BFC6FC341

treatment provided by

Plazi

scientific name

Chakra sarvatra Rajmohana and Veenakumari
status

sp. nov.

Chakra sarvatra Rajmohana and Veenakumari  , sp. nov.

( Figs 1–11View FIGURES 1 – 6View FIGURES 7 – 11)

Holotype: Female.

Body length = 1.06–1.25 mm. Color. Head, mesonotum, T 3 –T 6 blackish brown; T 3 pale medially; Lower frons, lower gena, metascutellum, propodeum, lateral mesosoma, T 1, anterior margin of T 2 and legs including coxae yellowish brown; Antenna yellowish brown except blackish brown clava; Antennal setae white; Interocellar area, posterior margin of mesoscutellum and lateral T 2 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 A 1; Clava with six antennomeres; A 3 –A 4, A 7 –A 12 with four rows of sensilla; clava 1.2 × as long as A 1; Ratio of length and width of antennomeres from A 1 to A 6 = 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); T 1 and T 2 costate, costae reaching posterior margin of tergites; T 2 foveolate on anterior margin; T 3 smooth with faint traces of striae confined anterolaterally and with a light brown convex band on posterior end; T 3 with an irregular row of setae on posterior margin; T 4 –T 5 with dense setae relative to other tergites; T 6 and T 7 visible externally; Ratio of length and width of T 1 –T 7 = 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 A 1 –A 12 = 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. 7View FIGURES 7 – 11).

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 /P 149), 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 /P 150), 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 /P 151), 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 /P 152), 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 /P 153), 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.

WGRS

Western Ghat Regional Station of the Zoological Survey of India at Calicut