Calotelea acuta Rajmohana & Debnath, 2024

Debnath, Rupam, Rajmohana, Keloth & Peter, Abhilash, 2024, New species and new combination in Calotelea Westwood, 1837 (Hymenoptera: Scelionidae) from India, European Journal of Taxonomy 968, pp. 200-218 : 202-204

Calotelea acuta Rajmohana & Debnath sp. nov.

urn:lsid:zoobank.org:act:FA91E33E-E548-494C-8BB5-859D253BF06D

Fig. 1 , Table 1

Diagnosis

In the key to species of Calotelea by Kamalanathan et al. (2022), C. acuta Rajmohana & Debnath sp. nov. comes close to C. laminaris Rajmohana, 2013 . But C. acuta can be distinguished by a slender, narrow metasoma, 4.3× as long as wide (in C. laminaris , 3.5 × as long as wide), a foveolate pronotal cervical sulcus (in C. laminaris , pronotal cervical sulcus smooth), the presence of a mesopleural carina (in C. laminaris , mesopleural carina absent) and pm> 3.0× as long as m (in C. laminaris , pm <3.0× m).

Etymology

The specific epithet is after the Latin word ‘ acutus ’ = ‘pointed’, due to the shape of the metasomal apex.

Type material

Holotype INDIA • ♀; Karnataka, Coorg, Talakavery wildlife sanctuary ; 12.4326° N, 75.4555° E; 385 m a.s.l.; 5 Nov. 2013; P.M. Sureshan leg.; yellow pan trap; ZSI/WGRC/IR.INV.4280 .

Paratype INDIA • ♀; Karnataka, Biligirirangan Hills; 11.9988° N, 77.1398° E; 1246 m a.s.l.; Apr. 2007; Priyadarsanan leg.; Malaise trap; ZSI/WGRC/IR.INV.26852 .

Description

Female

MEASUREMENTS. Length of body = 2.15–2.17 mm (n = 2).

COLOR. Head black; body honey brown; apex of mandibles, medial longitudinal patches on mesoscutum and mesoscutellum, lateral patches towards posterior margin of T2 and T3, reddish-brown; dorsal horn on T1 and T4–T7 darker. Antenna honey brown, except last five claval segments being brownish black. Fore wing with obscure transverse band near to marginal vein.

HEAD. 1.3 × as wide as high, 1.1× as high as long, with fine reticulate sculpture throughout, including frons, vertex and gena, very sparsely setose; vertex smoothly curved to occiput; occipital carina present; hyperoccipital carina absent. IOS 0.4 × of HW; POL> LOL> OOL in ratio of 10:5:1; OOL 0.2 × OD; central keel 0.4× HH; frontal depression absent; eyes glabrous; malar sulcus smooth and with uniform width. Radicle elongate, 0.5 × of A1; A1 3.1× as long as wide; A2 1.2× as long as A3; proportions of length to medial width of A1 to A6 (19:6), (9:4), (7:4), (7:4), (3:3), (3:3); clava 6-merous, 4.6× as long as wide.

MESOSOMA. L:W = 37:31; mesoscutum and mesoscutellum with same sculpture as on head and densely setose; skaphion with same sculpture as head; notauli absent; mesoscutum 1.1× as wide as long; mesoscutal humeral sulcus and suprahumeral sulcus foveolate; mesoscutellum 2.2× as wide as long; scutoscutellar sulcus foveolate laterally, medially smooth; posterior scutellar sulcus complete, foveolate; anterior margin of metascutellum and metanotal trough foveolate; metascutellar lamina transparent, longitudinally striate, except margined anteriorly by a row of minute fovea, posterior margin with distinct concave notch medially; posterolateral corners of metascutellum without projections; anteromedial corners of propodeum without projections; lateral propodeal carina not visible dorsally; epomial carina indistinct; pronotal cervical sulcus foveolate; pronotal suprahumeral sulcus foveolate; netrion present, smooth; netrion sulcus foveolate with 6 foveae; mesopleural carina present; mesopleural pit distinct; prespecular sulcus foveolate and foveae with uniform diameter; mesepimeral sulcus complete, foveolate and foveae with uniform diameter; femoral depression smooth; episternal sulcus foveolate; postacetabular sulcus smooth; metapleural sulcus present as smooth furrow, anterodorsally sulcate; posterodorsal metapleural sulcus sulcate; paracoxal sulcus smooth; metapleural carina distinct.

MACROPTEROUS. Fore wing (L:W = 12.5:3.5) 3.5× as long as wide; m: st: pm = 4:5:13; microtrichia small. Hind wing 6.7 × as long as wide.

METASOMA. L:W = 14:3.2; pedunculate; T1 0.6× of T2 length, with a dorsally smooth, laterally sparsely striate dorsal horn, rest of T1 with strong longitudinal costae; T2 0.6× of T3 length, transverse, basally costate, medially longitudinally striate, laterally striolate, laterally setose; rest of tergites striate reticulate, laterally sparsely setose; proportions of length to width of T1 to T5 (15:16), (23:20), (36:30), (27:28), (19:18); ovipositor not extruded.

Male

Unknown.

Biology

Host unknown.

Distribution

Karnataka ( India).

Variation

Nil, except minor difference in body length (see the description above).

Figures

Fig. 1. Calotelea acuta Rajmohana & Debnath sp. nov., holotype, ♀ (ZSI/WGRC/IR.INV.4280). A. Lateral habitus. B. Dorsal view of mesosoma. C. Dorsal view of metasoma. D. Lateral view of head and mesosoma. E. Frontal view.