Haltichella clavicornis (Ashmead, 1904)

Narendran, T. C. & van Achterberg, Cornelis, 2016, Revision of the family Chalcididae (Hymenoptera, Chalcidoidea) from Vietnam, with the description of 13 new species, ZooKeys 576, pp. 1-202 : 93-95

Taxon classification Animalia Hymenoptera Chalcididae

Haltichella clavicornis (Ashmead, 1904) Figs 132, 133-134

Stomatoceras clavicornis Ashmead, 1904: 148 (holotype, Japan (USNM) examined).

Haltichella clavicornis ; Habu 1960: 241.

Haltichella macroclava Roy & Farooqi, 1984: 27 (♀, holotype, India (INPC) examined) (synonymised with Haltichella clavicornis (Ashmead) by Narendran (1989)).

Material

(RMNH, IEBR). 2 ♀, "N. Vietnam: Ninh Binh, Cuc Phuong N. P., nr. entrance, c 225 m, 15.iv.-1.v.2000, Malaise trap 2, Mai Phu Quy, RMNH’00”; 1 ♀, "S. Vietnam: Dak Lak, Chu Yang Sin N. P., n[ea]r dam, c. 500 m, 3-9.vi.2007, Mal[aise] traps, C. v. Achterberg & R. de Vries, RMNH ’07”; 1 ♂, "S. Vietnam: Dóng Nai, Cát Tiên N. P., Bot[anic] Garden, 13-20.v.2007, Mal. traps 14-19, C. v. Achterberg & R. de Vries, RMNH’07”; 1 ♀, id., 15-29.v.2007, M.P. Qui, N.T. Manh & C. v. Achterberg; 1 ♀, id., but Bird trail, 1-8.iv.2007, Mai Phu Quy & Nguyen Tanh Manh; 1 ♀, id., but Malaise traps 9-12, 1-9.x.2005; 1 ♀, id., but Dong trail, 1-9.iv.2007; 1 ♂, id., but Lagerstroemia trail, Malaise traps 20-23, 14-20.v.2007; 1 ♂ (BPBM), "Vietnam, W. Quat, 19 –21.v.1960”.

Diagnosis.

This is a unique species, which can be separated from all other Haltichella species by its unusually swollen clava of the antenna of ♀, the scutellum with a median longitudinal fovea and the diverging teeth at apex of scutellum.

Description.

♀, length of body: 3.0-3.5 mm.

Colour. Black, except for following parts: from scape to F6 varying from dark brown to black; mid coxa dark brown; other segments of fore and mid legs except coxae reddish or yellowish brown with middle part of femora slightly darker; hind femur pale brown or reddish brown with dark patch on disc; hind tibia and tarsi reddish brown.

Head. Antenna distinctly clavate.

Mesosoma. Scutellum flat with a median longitudinal fovea; apex of scutellum bi-dentate, short teeth diverging, not parallel.

Metasoma. T1 occupying two-third to three-fourths of metasoma; with usually 5 longitudinal basal carinae (fig. 82); T1 smooth and shiny.

Male. Length 2.8-3.2 mm. Antenna longer than that of ♀, not clavate.

Host.

Unknown.

Distribution.

India, Nepal, Laos, Vietnam, Malaysia, Philippines ( Narendran 1989).