Gonatopus validus ( Olmi, 1984 ) Xu & Olmi & He, 2013

Xu, Zaifu, Olmi, Massimo & He, Junhua, 2013, Dryinidae of the Oriental region (Hymenoptera: Chrysidoidea), Zootaxa 3614 (1), pp. 1-460 : 380-382

10. Gonatopus validus ( Olmi, 1984) , comb. nov.

( Plate 117E – H )

Pseudogonatopus validus Olmi 1984: 1248 .

Description of Female. Apterous; length 2.5 mm. Holotype with head testaceous-reddish or brown-reddish, except mandible, clypeus and anterior region of face yellow; antenna brown, except segments 1–2 yellow; mesosoma reddish, or testaceous, or brown-reddish; petiole black; metasoma brown-reddish; legs yellow. In specimen from China, Mt. Yunjishan, body brown-testaceous, with antenna brown, except segments 1–2 testaceous and segment 10 whitish. In specimen from China, Fengxi, antenna testaceous-darkened, except segments 1–2 testaceous and segment 10 whitish. Antenna clavate; antennal segments of holotype in following proportions: 17:14:27:14:13:11:11:11:11:21. Antennal segments of specimen from China, Fengxi, in following proportions: 8:5:20:6.5:5:4.5:5:5:5:9. Head ( Plate 117E ) excavated, shiny, smooth, unsculptured. Palpal formula of holotype 4/ 2. In specimens from China, Fengxi, and China, Mt. Nankunshan, palpal formula 5/2. Pronotum ( Plate 117F ) crossed by strong transverse impression, shiny, smooth and unsculptured. Scutum and scutellum shiny, smooth, unsculptured. Mesopleuron transversely striate. Metanotum not transversely striate, with sides protruding; lateral protrusions of metanotum rounded ( Plate 117G ). Metathorax + propodeum smooth, shiny, unsculptured; posterior surface of propodeum and metapleuron transversely striate. Meso-metapleural suture only posteriorly distinct. Segment 1 of protarsus of holotype about as long as segment 4. In specimen from China, Mt. Yunjishan, segment 1 of protarsus slightly longer than segment 4 (13:12). Enlarged claw ( Plate 117H ) with one large subapical tooth and one row of five lamellae. Segment 5 of protarsus ( Plate 117H ) with two rows of 13 lamellae; distal apex with about nine lamellae. Tibial spurs 1/0/1.

Male. Unknown.

Material examined. Types: holotype ♀: MALAYSIA: Malaya, Kuala Lumpur, Spooner Road , 8.III.1936, H.T. Pagden leg. ( BMNH). Paratype: SRI LANKA: Gampaha District , Yakkala, 1♀ ( AMNH). Other material. CHINA: Guangdong, Mt. Yunjishan, M. Olmi reared from an unidentified Delphacid , parasitized host collected 9.VI.2002, dryinid cocooning 12.VI.2002, dryinid adult emerged 29.VI.2002 ( MOLC); Guangdong, Shixing County, Chebaling National Nature Reserve , 21–31.VIII.2003, Jujian Chen leg., 1♀ ( ZJUC); Guangdong, Meizhou, Fengxi , 30.VII.2003, Jingxian Liu leg., 1♀ ( ZJUC); Guangdong, Mt. Nankunshan , 27–29.IX.2011, YPT, Zaifu Xu leg., 1♀ ( SCAU) .

Hosts. Unknown.

Distribution. China (Guangdong), Malaysia (Malaya), Sri Lanka (Gampaha).

Group 3

Five species are known.

Oriental Gonatopus group 3: key to the females

1. Disc of metathorax + propodeum sculptured by strong transverse keels.......................... G. bengalensis (Olmi)

- Disc of metathorax + propodeum not sculptured by strong transverse keels; transverse keels present only on posterior surface of propodeum; occasionally short keels are present on ground of median furrow................................... 2

2. Vertex of head and metathorax + propodeum very shiny, smooth, unsculptured, except transverse striae on posterior surface of propodeum, metapleuron and occasionally mesopleuron...................................................... 3

- Vertex of head and metathorax + propodeum dull, granulated.................................................. 4

3. Median furrow of metathorax + propodeum less deep ( Plate 118B ); lateral regions of scutum with one or two transverse keels ( Plate 118A )......................................................................... G. borneanus (Olmi)

- Median furrow of metathorax + propodeum deeper ( Plate 119A ); lateral regions of scutum with four transverse keels ( Plate 119C ).............................................................................. G. pajanensis (Olmi)

4. Antenna short, more thickened distally and with segment 9 slightly longer than broad................. G. insularis (Olmi)

- Antenna long, less thickened distally and with segment 9 about three times as long as broad............ G. pyrillae (Mani)

Figures

PLATE 117. A–C. Male genitalia. D, H. Chelae, holotypse. E. Head. F, G. Mesosoma. A. Gonatopus nudus from Malaya. B. G. sarawakensis or malesiae, var. a. C. G. sarawakensis or malesiae, var. b. D. G. sarawakensis. E, F, H. G. validus. G. G. validus, female from China. Scale bar 0.24 mm for A, 0.27 mm for B, 0.29 mm for C, 0.16 mm for D, 0.12 mm for H. (From Olmi 1984).

PLATE 118. A. Scutum and metathorax + propodeum, lateral view (from Olmi 1989b). B. Furrow of metathorax + propodeum, frontal view (from Olmi 1989b). C, E. Chelae (from Olmi 1984). D. Male genitalia (from Olmi 1984). A–C. Gonatopus borneanus, holotype. D. G. borneanus, paratype. E. G. insularis, holotype. Scale bar 0.75 mm for A, 0.15 mm for C, 0.18 mm for D and 0.14 mm for E.

PLATE 119. A. Scutum and metathorax + propodeum, lateral view. B. Furrow of metathorax + propodeum, frontal view. C, E. Chelae, holotypes. D. Male genitalia. A–C. Gonatopus pajanensis (from Olmi 1989b). D, E. G. pyrillae (from Olmi 1984). Scale bar 0.29 mm for C, 0.19 mm for D and 0.16 mm for E.