Baeus krishnareddyi Veenakumari, 2020

Kamalanathan, Veenakumari, Mohanraj, Prashanth, Samuel, D. K. & Reddy, M. Krishna, 2020, Revision of Indian species of Baeus Haliday (Hymenoptera: Platygastroidea: Scelionidae), Journal of Natural History 54 (13 - 14), pp. 813-917 : 858-860

Baeus krishnareddyi Veenakumari , sp. n. ( Figure 15 (a–e))

http://www.zoobank.org/ urn:lsid:zoobank.org:act:C5444A83-1CDE-42C7-9737-5891B726F908

Holotype. Female; body length = 0.66 (0.61–0.71) mm; n = 3

Colour ( Figure 15 (a)). Head, mesonotum and metasoma honey brown, mesoscutellum and propodeum paler; hyperoccipital carina black; posterior margin of mesoscutum with a black band and mesoscutellum with a black band followed by a white line; antenna yellowish brown except dark brown A2; legs yellow with patches of brown.

Head ( Figure 15 (a–e)). Head 1.11 (1.01–1.15)× as wide as high; IOS 0.51 (0.49–0.53)× width of head and 1.11 (1.05–1.16)× eye length; eye small (L: W = 13.2:10.1) setose, not touching hyperoccipital carina posteriorly; head height 2.12 (2.06–2.18)× eye length; POL>LOL in ratio of 15.3:10.3; lateral ocellus contiguous with orbit; distance from posterior margin of lateral ocellus to hyperoccipital carina 0.48 (0.45–0.50)× MOD; pilosity of moderate density, setae of medium length, shorter than those on mesonotum and metasoma; interantennal process triangular, rugose; central keel consisting of short rugae instead of a carina, 0.50 (0.48–0.52)× distance from interantennal process to median ocellus; facial striae long, extending up to lower orbit; malar striae absent; frons adjacent to central keel smooth, with semicircular striae followed by reticulations; upper frons imbricate; vertex weakly imbricate; gena anteriorly smooth and posteriorly weakly reticulate, with costae on postero-ventral margin, 3.68 (3.62–3.75)× as long as wide; anterior margin of gena in contact with 0.63 (0.61–0.68)× length of ventral margin of eye; length of A1 1.21 (1.17–1.24)× that of clava; length of A2 0.43 (0.40–0.45)× that of A1.

Mesosoma ( Figure 15 (a,c,e)). Mesoscutum and mesoscutellum 0.44 (0.41–0.52)× and 0.17 (0.15–0.18)× as long as wide, respectively; mesoscutum and mesoscutellum reticulate except smooth posterior margins; metascutellum not visible; propodeum dorsally smooth, 0.74 (0.71–0.76)× length of mesoscutellum medially; pilosity of moderate density, setae of medium length; antero-lateral margin of mesoscutellum with a weak fovea; lateral pronotal area dorsally imbricate, remainder smooth, except for sparse weak striae antero-medially; postero-dorsal margin of lateral pronotal area with two short protuberances; ventral margin of lateral pronotal area extending as a blunt projection; transverse carinae on dorsal mesopleuron terminate above the level of dorsal level of metapleuron; mesopleuron ventrally reticulate, followed by short oblique carinae, remainder smooth; mesopleuron extending as a narrow, smooth projection ventrally; mesopleural pit small; metapleuron smooth; posterior suture of metapleuron almost straight, not curving 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 short, uneven transverse carinae, region posterior to spiracle with short transverse carinae; region ventral to spiracle with a vertical carina, two transverse carinae and an oblique carina; remainder of lateral propodeum smooth with two transverse carinae antero-ventrally; propodeal spiracular opening round.

Metasoma ( Figure 15 (a,c,e)). Metasoma 1.16 (1.11–1.21)× as long as wide; pilosity sparse, setae of medium length; T 2 anteriorly weakly reticulate and posteriorly smooth; remaining tergites smooth.

Material examined. Holotype: Female ( ICAR / NBAIR / P3419 ), INDIA: Arunachal Pradesh: Pasighat , CHF, 28 ° 04 ʹ 28 ʹ ’ N 95 ° 19 ʹ 28 ʹ ’E, 173 m, YPT, 05.V.2014 ; Paratypes: 2 females ( ICAR / NBAIR / P3420 – P3421 ), same as holotype, 05–07 . V .2014; 2 females ( ICAR / NBAIR / P3422 – P3423 ), same as holotype, 10–11 .XI .2014; 1 female ( ICAR / NBAIR / P3424 ), Tamil Nadu: Chidambaram, Annamalai University , 11 ° 23 ʹ 30 ʹ ’ N 79 ° 42 ʹ 48 ʹ ’E, 7 m, YPT, 02 . V.2013.

Etymology. This species is named after Dr. K. Krishna Reddy, Head, Division of Plant Pathology, ICAR – IIHR, Bengaluru, India. The name is treated as a noun in the genitive case.

Diagnosis. B. krishnareddyi sp. n. is similar to B. bharathiae sp. n. and the diagnostic characters are mentioned under the latter.

Figures

Figure 15. Baeus krishnareddyi sp.n. (a) Habitus (colour); (b) Frons; (c) Habitus;(d) Antenna; (e) Habitus (lateral view).