Gonatopus perraulti Olmi, Marletta & Guglielmino

Olmi, Massimo, Marletta, Alessandro & Guglielmino, Adalgisa, 2014, Revision of the Australian species of Gonatopus group 5 (Hymenoptera: Dryinidae), with description of a new species from the Society Islands, French Polynesia, Zootaxa 3895 (4), pp. 525-546 : 539-540

8. Gonatopus perraulti Olmi, Marletta & Guglielmino , sp. nov.

( Figs 17 , 30 )

Material examined. Type. Holotype, ♀: FRENCH POLYNESIA: SOCIETY ISLANDS: Leeward Islands (= Îles Sous-le-vent), Huahine Island, 1.i.1974, G. Perrault leg. ( MNHN).

Diagnosis. Female with pronotum shiny, unsculptured; metanotum with rounded lateral protrusions ( Fig. 17 ); meso-metapleural suture distinct and complete; metathorax + propodeum with anterior surface and disc shiny, sculptured by irregular keels; posterior surface of propodeum sculptured by strong transverse keels; segment 5 of protarsus with less than 20 medial lamellae ( Fig. 30 ). Male unknown.

Description. FEMALE. Apterous; length 3.4 mm. Head testaceous, except large brown region on vertex and posterior half of face; antenna brown-testaceous, except segments 1–2 testaceous; prothorax brown, except lateral and posterior borders of pronotum testaceous; scutum with dorsal and lateral surfaces brown; scutellum brown; metathorax + propodeum ferruginous, except posterior half of propodeum brown; metasoma brown; legs testaceous, except proximal extremity of procoxa and part of clubs of femora brown Antenna clavate; antennal segments in following proportions: 9:6:13:7:7:6:5:5:5:8. Head shiny, alutaceous; frontal line complete, surrounded by longitudinal furrow; occipital carina incomplete, only shortly present behind posterior ocelli; POL = 1; OL = 2; OOL = 8. Palpal formula 3/2. Pronotum shiny, smooth, unsculptured, crossed by very weak transverse impression. Scutum dull, sculptured by some longitudinal striae. Scutellum dull, punctate. Metanotum with sides protruding; lateral protrusions rounded ( Fig. 17 ). Meso-metapleural suture complete. Metathorax + propodeum with anterior surface and disc shiny, sculptured by irregular keels; posterior surface of propodeum sculptured by strong transverse keels; mesopleuron and metapleuron completely sculptured by strong transverse keels. Protarsal segments in following proportions: 13:3:5:15:23. Enlarged claw ( Fig. 30 ) with one large subapical tooth and one row of 5 lamellae. Segment 5 of protarsus ( Fig. 30 ) with 2 rows of 15 lamellae; distal apex with about 12 lamellae. Tibial spurs 1/0/1.

MALE. Unknown.

Hosts. Unknown.

Etymology. The species is named after the collector, Mr Gérard Perrault.

Distribution. French Polynesia: Society Islands (Huahine Island).

Figures

FIGURES 16 – 18. Mesosoma of ♀. 16. Gonatopus flavifemur, Vietnam, Long Dinh Village); 17. G. perraulti sp. nov., holotype; 18. G. rufus, Marquesas Islands, Nuku Hiva.

FIGURES 30 – 37. 30. Gonatopus perraulti sp. nov., holotype, ♀. 31 – 37. G. primitivus: mesosoma of holotype (excluding prothorax), dorsal view (31); head of holotype, dorsal (32) and frontal (34) view; mesosoma of holotype, lateral view (33); chela of holotype (36); head, frontal view (35) and genitalia (37) of ♂, Vanuatu. Scale bar 0.56 mm for 30, 0.26 mm for 31, 1.23 mm for 32 and 34, 0.96 mm for 33, 0.92 mm for 35, 0.48 mm for 36, 0.16 mm for 37.