Dryinus trifasciatus Kieffer, 1906

Xu, Zaifu, Olmi, Massimo & He, Junhua, 2013, Dryinidae of the Oriental region (Hymenoptera: Chrysidoidea), Zootaxa 3614 (1), pp. 1-460 : 300

38. Dryinus trifasciatus Kieffer, 1906

( Plate 85C, E )

Dryinus trifasciatus Kieffer 1906b: 335 ; Olmi 1984: 807; Xu et al. 2011 g (Suppl.): 17.

Description of Female. Fully winged; length 2.8–4.4 mm. Head black, except mandible and clypeus reddish; occasionally part of gena testaceous; antenna testaceous; mesosoma black, except lateral margins and posterior collar of pronotum reddish; metasoma brown; legs testaceous, occasionally with club of profemur and metacoxa partly or totally brown. Antenna clavate; antennal segments of specimen from China, Huangmaojian, in following proportions: 7:5:18:6:6:5.5:5:4.5:4.5:7. Head ( Plate 85C ) flat, shiny, smooth, weakly granulated; sides of face converging; frontal line complete; occipital carina complete; posterior ocelli touching or almost touching occipital carina; POL = 2; OL = 2; OOL = 6; OPL = 0.5 or 0; TL = 4; greatest breadth of posterior ocelli about as long as POL. Pronotum shiny, smooth, crossed by posterior transverse impression, with anterior collar smooth, unsculptured; disc weakly granulated or almost unsculptured; pronotal tubercle not reaching tegula. Scutum dull, granulated, occasionally more or less reticulate rugose near lateral and posterior margins; occasionally with lateral regions and posterior third completely reticulate rugose. Notauli more or less distinct, incomplete, reaching about 0.5–0.8 length of scutum. Scutellum and metanotum as sculptured as scutum. Propodeum reticulate rugose, with dorsal surface about as long as posterior surface, without longitudinal keels on posterior surface. Fore wing with three dark transverse bands; distal part of stigmal vein longer than proximal part. Protarsal segment 1 slightly longer than segment 4. Enlarged claw not spatulate ( Plate 85E ), with one strong subdistal tooth and one row of about six–seven lamellae. Segment 5 of protarsus ( Plate 85E ) with two rows of about 37 lamellae extending continuously to distal apex. Tibial spurs 1/1/2.

Male. Unknown.

Material examined. Types: ♀ lectotype (designated by Móczár, 1965): INDIA: Maharashtra, Matheran, 800 m, Biró leg. ( NMNH) . Paralectotype: same locality label as lectotype , 1♀ ( NMNH). Other material. CHINA: Hainan, Mt. Yinggeling , 16.XI.2008, Jiangli Tan leg. , 1♀ ( SCAU); Yunnan, Gejiu, Manhao, Lushuihe , 23.VII.2003, Zaifu Xu leg., 1♀ ( ZJUC); Taiwan, Nantou, Lienhuachih , 650 m, IX.1984, K.S. Lin & K.C. Chou leg., 1♀ ( TARI); Taiwan, Nantou, Tungpu , 1200 m, XI.1985, K.S. Lin leg., 1♀ ( TARI); Taiwan, Pingtung, Kenting Park , 22.III.1980, K.S. Lin leg., 1♀ ( TARI); S. Taiwan, Hangchung , 25.I.1958, T. Maa leg., 1♀ ( TARI); Zhejiang, Mt. Fengyangshan, Huangmaojian , 2.VIII.2008, Jingxian Liu leg., 1♀ ( SCAU). INDIA: Tamil Nadu, Nilgiri Hills, Cheramgode ( AEIC). LAOS: Salavan (=Wapikhamthong) Prov. : Vapy (=Wapi) ( AMNH); MALAYSIA: Sabah, Kalabakan , Forest Camp ( BPBM). NEPAL: Mugling , 900 – 1500', I–II.1982, L. Jessop leg., 2♀♀ ( BMNH); Central Nepal, Kakani, 2070 m, 1–23.VIII.1983 ( CNC). PHILIPPINES: Palawan Island , Mantalingajan , Pinigisan ( ZMK). SRI LANKA: Mount Lavinia , 06°50'N 79°52'E, 14.III.1999, C.J. Burwell leg. ( QMC). THAILAND: Chiang Mai Prov., Maerim , 9–12.IV.1999, 1–2.III.2000, R.A. Beaver leg. ( RABC, AMNH); Mae Hong Son Prov., Soppong , 19°27'N 98°20'E, 1500 m, 7–12.V.1996 ( OLL) .

Hosts. Unknown.

Distribution. China (Hainan, Yunnan, Taiwan, Zhejiang), India (Maharashtra, Tamil Nadu), Laos (Salavan), Malaysia (Sabah), Nepal (Mugling, Kakani), Philippines (Palawan), Sri Lanka (Mount Lavinia), Thailand (Chiang Mai, Mae Hong Son).

Group 2

One species is known in the Oriental region.

Figures

PLATE 85. A, C. Heads of Female. B. Pronotum, lateral view. D–F. Chelae. A, B, D. Dryinus stantoni, female from Sabah (from Olmi 1984). C, E. D. trifasciatus, female from Laos (from Olmi 1984). F. D. anotaulicus, holotype (from Xu et al. 2011f). Scale bar 1.95 mm for A, 1.27 mm for B, 1.34 mm for C, 0.35 mm for D, 0.30 mm for E and 0.20 mm for F.