Dirhinus Dalman, 1818

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 : 62-64

Taxon classification Animalia Hymenoptera Chalcididae

Dirhinus Dalman, 1818 Figs 71-72, 73-74, 75-76, 77-78, 79-80, 81-82, 83, 84-85

Dirhinus Dalman, 1818: 75-76. Type species: Dirhinus excavatus Dalman; by monotypy.

Eniaca Kirby, 1883: 57. Type species: Chalcis cornigera Jurine, original designation. Synonymised with Dirhinus by Masi (1919).

Hontalia Cameron, 1884: 112-113. Type species: Hontalia caerulea Cameron; by monotypy. Synonymised with Dirhinus by Burks (1936).

Dirrhinoidea Girault, 1912: 165-166. Type species: Dirrhinoidea maculata Girault; by original designation. Synonymised with Dirhinus by Masi (1947).

Pareniaca Crawford, 1913: 312. Type species: Pareniaca schwarzi Crawford; by original designation. Synonymised with Dirhinus by Burks (1936).

Eniacella Girault, 1913c: 35. Type species: Eniacella rufricornis Girault, by monotypy. Synonymised with Dirhinus by Masi (1947).

Eniacomorpha Girault, 1915a: 354. Type species: Eniacomorpha vultura Girault; by monotypy. Synonymised with Dirhinus by Bouček and Narendran (1981).

Dirhinoides Masi, 1947: 49. Type species: Dirhinus pachycerus Masi, original designation. Synonymised with Dirhinus by Bouček and Narendran (1981).

Diagnosis.

This genus belongs to the subfamily Dirhininae which contains another genus Aplorhinus Masi (from Borneo) which differs from Dirhinus in having the scutellum with a median projection posteriorly, exceeding base of T1, the hind femur with an unusually large basal tooth and T1 covering almost the entire metasoma.

Description.

Head with face produced into two strong, edged horns; fore wing with MV unusually long, but PMV and STV rudimentary. Metasoma with striate petiole. Hind femur beneath with smoothly arched comb of minute teeth.

Hosts.

Diptera ( Calliphoridae , Sarcophagidae , Muscidae , Glossinidae and Tephritidae ).

Distribution.

Asia, Australia, Europe and New World.

Key to Vietnamese species of Dirhinus Dalman (based on females)