Anteon huettingeri Olmi, Xu & Guglielmino

Olmi, Massimo, Xu, Zaifu & Guglielmino, Adalgisa, 2015, A new species of the genus Anteon Jurine (Hymenoptera, Dryinidae) from Thailand, ZooKeys 504, pp. 141-147 : 143-144

Taxon classification Animalia Hymenoptera Dryinidae

Anteon huettingeri Olmi, Xu & Guglielmino sp. n.

Diagnosis.

Male with antenna filiform; scutum very slightly granulated and finely punctate; posterior surface of propodeum without longitudinal keels; paramere without distal inner process, with inner side provided with many sensorial processes (Fig. 1).

Description.

Male. Fully winged (Fig. 2A). Length 2.2 mm. Head black, except mandible testaceous. Antenna testaceous. Mesosoma black. Metasoma brown. Legs testaceous, except metacoxa partly black. Antenna filiform. Antennal segments in following proportions: 11:6:6:5:5:6:5:5:5:7. Head dull, granulated and reticulate rugose. Face with two lateral keels around orbits directed towards antennal toruli. Vertex with two short oblique keels from posterior ocelli to occipital carina. Occipital carina complete. Frontal line complete. Vertex with POL = 6; OL = 3; OOL = 4; OPL = 3; TL = 4; greatest breadth of posterior ocelli as long as OPL. Scutum shiny, very slightly granulated, finely punctate, unsculptured among punctures. Notauli incomplete, reaching approximately 0.4 × length of scutum. Scutellum and metanotum unsculptured, shiny. Propodeum with strong transverse keel between dorsal and posterior surface. Dorsal surface of propodeum reticulate rugose. Posterior surface of propodeum without longitudinal keels, with median area granulated and lateral areas reticulate rugose. Forewing (Fig. 2B) hyaline, without dark transverse bands. Distal part of stigmal vein much shorter than proximal part (2:5). Paramere (Fig. 1) without distal inner process, with inner side provided with many small sensorial processes. Tibial spurs 1/1/2.

Female. Unknown.

Material examined.

Holotype: male, Thailand, Nan Province, outside Mae Charim National Park gate, 18°36.00'N, 100°58.34'E, 260 m, 13.v.2012, E. & J. Hüttinger leg. (OLL).

Distribution.

Thailand.

Hosts.

Unknown.

Etymology.

The species is named after the collector, Dr Ernst Hüttinger.

Remarks.

Because of the antenna filiform, the scutum neither rugose nor sculptured by irregular keels, the posterior surface of the propodeum without longitudinal keels, the paramere without distal inner process, the new species is similar to Anteon borneanum Olmi, 1984, Anteon insertum Olmi, 1991, Anteon jurineanum Latreille, 1809, Anteon krombeini Olmi, 1984, Anteon sarawaki Olmi, 1984, Anteon thai Olmi, 1984 and Anteon yasumatsui Olmi, 1984. The main difference between Anteon huettingeri and all other species is centered on the structure of the inner side of the paramere (with many sensorial processes in Anteon huettingeri (Fig. 1); without sensorial processes in the other species (Plates 20 C, 30 D, 31 C, 31 D, 32 C, 43 B, 48 A, 50 E in Xu et al. 2013)). In the key to the males of Oriental Anteon published by Xu et al. (2013), the new species can be included by replacing couplet 9 as follows: