Odontoscelio laticephalus ( Risbec, 1950 )

Veenakumari, Kamalanathan & Mohanraj, Prashanth, 2021, Review of Odontoscelio Kieffer, 1905 (Platygastroidea, Scelionidae) with the description of two new species from India, European Journal of Taxonomy 739 (1), pp. 51-91 : 71

Odontoscelio laticephalus ( Risbec, 1950)

Figs 13–14

Hoplogryon laticephalus Risbec, 1950: 581 , fig. 59 (holotype, ♂, MNHN).

Odontoscelio laticephalus – Masner 1976: 72 (transfer from Hoplogryon ).

Material examined

Syntypes (images only) CHAD • 4 ♂♂; N’Djamena [labelled: Mandjaffa], banks of Lower Chari River ; Jul. 1904; Dr J. Decorse leg.; Chari-Chad mission; MNHN EY25672 to EY25675 .

Redescription

Male

BODY LENGTH. 3.6 mm.

COLOUR ( Figs 13 , 14A–D ). Body predominantly black, tegula brown, interantennal process yellowish brown; radicle and basal A1 yellowish brown, apical ¾ of A1 brown, remaining antennomeres dark brown; coxae brown, remainder of leg yellowish brown; anterior T1 brown.

HEAD ( Figs 13 , 14A, C–D ). Head 1.19 × as wide as high, 2.0 × as high as long; IOS 0.68 × head width, 1.45× eye length; OOL>POL>LOL in ratio of 17.4: 16.8: 9.00; OOL 2.8 × OD; eye (L:W = 39.6:23.6) setose; frons medially from interantennal process to anterior ocellus smooth without setae, remainder with oblique carinae directed inwards; space between carinae smooth with long setigerous punctae; a short longitudinal carina present beneath anterior ocellus; all three ocelli connected by carinae; ocelli raised above surface of vertex; vertex and interocellar area predominantly smooth; occiput and gena longitudinally carinate, space between carinae with setigerous punctae; occipital carina weakly foveate; length and width of antennomeres A1–A 11 in ratio of 36.7: 7.8, 6.7: 6.1, 33.3: 7.8, 26.7: 7.8, 20.0: 7.2, 23.3: 6.7, 26.7:7.2, 27.8: 7.8, 27.8: 5.6, 26.7: 5.6, 26.7: 5.6, respectively; setae on antennomeres sparse.

MESOSOMA ( Figs 13A–C , 14A, C ). Cervical pronotal area transversely carinate; mesoscutum (L:W = 48.2: 81.4) anteriorly areolate, remainder longitudinally carinate and space between carinae unevenly smooth with setigerous foveae; pronotal shoulders without a lateral wide spine; lateral pronotal area predominantly smooth, except for a dense setose patch posteriorly; pronotal suprahumeral sulcus and pronotal cervical sulcus foveate; netrion not distinct; dorsal mesopleuron with a rectangular, weakly transversely carinate patch beneath tegula; mesopleural pit distinct; speculum transversely carinate; mesepimeral sulcus not foveate; femoral depression medially smooth, with several short transverse carinae posteroventrally; episternal foveae present; anterior episternum and ventral mesopleuron entirely with setigerous foveae; metapleuron anteroventrally densely setose, metapleural sulcus foveate, remainder with intricate sculpture; scutoscutellar sulcus foveate laterally; mesoscutellum (L: W = 27.3:59.2) predominantly areolate except for a smooth patch anteromedially; median keel distinct posteriorly; metascutellum foveate with posteromedially triangular spine, metanotal trough foveate; lateral propodeal area setose, with indistinct foveae; propodeum anterolaterally with a large blunt spine; posterolateral margin of lateral propodeal area extending posteriorly as a blunt spine. Fore wing (L:W = 212.4:72.5) and hind wing (L: W = 180.8: 31.5) weakly infuscate.

METASOMA ( Figs 13A–C , 14B ). L:W = 140.2: 86.2; T1 longitudinally costate, space between costae weakly foveate; T2 with basal foveae, remainder longitudinally costate, space between them with short costae posteriorly; T3 medially densely foveate, remainder longitudinally carinate (with foveae between carinae) except for a smooth posterior margin; T4 and T5 with setigerous punctae, with smooth posterior margins; T1 and T2 with sparse long setae laterally, T3–T6 with dense setae laterally; T6 and T7 smooth, with sparse setae; length and width of tergites T1–T 7 in ratio of 26.4:253, 34.5: 35.6, 57.5: 82.8, 18.4: 80.5, 6.9: 57.5, 5.0: 36.8, 2.3: 18.4, respectively.

Figures

Fig. 13. Odontoscelio laticephalus (Risbec, 1950). Syntypes, ♂♂ (A, C: MNHN EY25673; B: MNHN EY25672; D: MNHN EY25674). A. Habitus (dorsal view). B. Habitus (dorsal view). C. Habitus (lateral view). D. Antenna. Photos: Agnièle Touret-Alby©, MNHN.

Fig. 14. Odontoscelio laticephalus (Risbec, 1950). Syntypes, ♂♂ (A: MNHN EY25673; B: MNHN EY25672; C–D: MNHN EY25675). A. Head and pleuron. B. Metasoma. C. Head and mesonotum. D. Frons. E. Type label. Photos: Agnièle Touret-Alby©, MNHN.