Additions to the genus Chakra Rajmohana and Veenakumari, 2014 (Hymenoptera: Platygastroidea: Scelionidae) from India
Author
Veenakumari, Kamalanathan
Author
Sreedevi, Kolla
Author
Mohanraj, Prashanth
text
Journal of Natural History
2022
2022-11-23
56
41 - 44
1657
1707
http://dx.doi.org/10.1080/00222933.2022.2123286
journal article
10.1080/00222933.2022.2123286
1464-5262
7380608
Chakra sanghamittae
Veenakumari
sp. nov.
urn:lsid:zoobank.org:act:
41523267-6968-4530-94C7-A8AAAFAB36B3
(
Figures 20
(a–f), 23(k))
Female body length =
1.85 mm
(n = 1).
Colour
Head brown-black, frons paler than vertex; mesoscutum brown with uneven dark brown patches medially; mesoscutellum and metascutellar spine black-brown; T1 anteriorly, T2– T3 laterally black-brown, remainder brown; remaining tergites black; radicle, A1 brown, A2 black-brown, A3–A7 yellow-brown, remaining antennomeres brown-black; all legs brownyellow with black apical tarsomeres.
Head
1.3× as wide as high, 1.4× as high as long. Setation on head: dense. IOS: 0.6× head width, 1.1× eye length. POL> LOL> OOL: 9.1:5.8:4.4. OOL: 1.6× MOD. Compound eye: large (L: W = 20.5:16.0). Sculpture on vertex: with setose protuberances, furrows between protuberances with weak rugose sculpture. Sculpture of frons: with setose protuberances, except for transverse striae medially and on either side of central keel. Central keel: present, 0.3× head height. Sculpture of gena: with setose protuberances interspersed with longitudinal carinae. Facial and malar striae: prominent. Interantennal process: triangular, narrow apically, beak-like.
Mesosoma
L:W of mesoscutum: 25.7:33.2. Setation of mesoscutum: dense. Sculpture of mesoscutum: with setose protuberances, furrows between protuberances with weak rugose sculpture. Mesoscutal humeral sulcus: not foveate. Mesoscutal suprahumeral sulcus: not foveate. Scutoscutellar sulcus: narrow, laterally foveate. L:W of mesoscutellum: 13.7:22.3. Sculpture of mesoscutellum: with setose protuberances, furrows between protuberances with weak rugose sculpture. Setation of mesoscutellum: dense. Sculpture of metascutellum: basally foveate, remainder smooth with longitudinal carinae. Armature of metascutellum: triangular spine. Sculpture of metanotal trough: weakly foveate. Sculpture of lateral propodeal area: with depressions. Posterior propodeal projection: pointed, directed posteriorly. Sculpture of lateral pronotal area: dorsally with setose protuberances, medially smooth, posteriorly transversely carinate. Pronotal cervical sulcus: not foveate. Netrion sulcus: with depressions. Speculum of mesopleuron: transversely carinate. Episternal sulcus: foveate. Postacetabular sulcus: not foveate. Prespecular sulcus: foveate. Mesepimeral sulcus: foveate dorsally. Mesepimeral area: smooth, narrower than mesepimeral sulcus. Mesopleural carina: present. Sculpture of femoral depression: obliquely carinate. Mesopleural pit: present. Sculpture of ventral mesopleuron: with setose protuberances. Sculpture of metapleuron: dorsally obliquely carinate, ventrally with setose protuberances. Metapleural sulcus: weakly foveate. Paracoxal sulcus: weakly foveate. Metapleural epicoxal sulcus: not foveate. L:W of fore wing: 101.8:33.5. L:W of hind wing: 95.0:18.7. Marginal cilia on posterior margin of proximal fore wing: absent.
Figure 20.
Chakra sanghamittae
sp. nov.
(♀): Habitus, dorsal view; (b) frons; (c) head and pleuron; (d) head and mesoscutum; (e) wings; (f) antenna.
Metasoma
L:W of metasoma: 85.9:38.5. Sculpture of T1: longitudinally costate. Length of T1: 0.7× the length of T2. Horn on T1: absent. Length of T2: 0.6× the length of T3. Sculpture of T2: basal foveae present, followed by longitudinal costae and smooth patch posteromedially. Sculpture of T3: longitudinally costate medially and coriaceous reticulate laterally. Sculpture of T4–T6: weakly coriaceous reticulate.
Male
Not known.
Material examined
Holotype
.
Female
(
ICAR
/
NBAIR
/
P4531
),
Tamil Nadu
:
Yelagiri
,
Thayalur
,
12.578°N
78.662°E
,
1111 m
, YPT,
15 June 2016
.
Etymology
This species is named after ‘Sanghamitta’, the Indian Emperor Asoka’s eldest daughter, who started the order of Buddhist nuns in
Sri Lanka
. The name is treated as a noun in the genitive case.
Diagnosis
Chakra sanghamittae
sp. nov.
resembles
C. bournei
sp. nov.
The distinguishing characters are given above under the latter species.