Echthrodelphax rufus Olmi, 1984

Xu, Zaifu, Olmi, Massimo & He, Junhua, 2013, Dryinidae of the Oriental region (Hymenoptera: Chrysidoidea), Zootaxa 3614 (1), pp. 1-460 : 345-346

3. Echthrodelphax rufus Olmi, 1984

( Plate 102D – F )

Echthrodelphax rufus Olmi 1984: 1157 ; Olmi 1995a: 32; He & Xu 2002: 305.

Description of Female. Macropterous, rarely brachypterous (in one specimen from China, Guangdong, Yunjishan Nature Reserve); length 2.4–2.5 mm. Testaceous, except petiole black and metasoma darkened (metasoma testaceous in brachypterous specimen from China, Guangdong, Yunjishan Nature Reserve). Antenna clavate. Head shiny, smooth, unsculptured, except occiput and part of vertex granulated; ocellar triangle strongly isosceles, with median longitudinal keel; frontal line incomplete, absent near clypeus; OL much longer than POL. Palpal formula 5/3, 6/3. Pronotum crossed by strong transverse impression, with disc dull and granulated; anterior collar smooth, shiny and unsculptured; posterior edges of pronotum rounded, not produced into lobes. Scutum shiny, smooth, unsculptured. Notauli complete, joint at posterior margin of scutum. Scutellum shiny, smooth, unsculptured. Metanotum very reduced and short. Propodeum reticulate rugose, with strong transverse striae, mainly in posterior surface; posterior surface without longitudinal keels. Fore wing with two dark transverse bands. In a specimen from China, Guangdong, Yunjishan Nature Reserve, forwing very short and slender, reaching posterior apex of propodeum, with reduced cells and one only dark transverse band beneath pterostigma. Protrochanter approximately four times as long as broad. Enlarged claw ( Plate 102D ) with one large subapical tooth and one row of four lamellae. Segment 5 of protarsus ( Plate 102D ) with one row of seven–nine lamellae; distal apex with seven–eight lamellae. Tibial spurs 1/0/1.

Description of Male. Fully winged; length 1.4–1.9 mm. Head black, except mandible testaceous; antenna brown, except segments 1–2 testaceous; mesosoma black; metasoma brown; legs yellow. Antenna filiform; antennal segments in following proportions: 5:4.5:9:9:9:9:7.5:8:8:9. Head shiny, hairy, punctate, unsculptured among punctures; frontal line indistinct; occipital carina complete; temple very prominent; POL = 3.5; OL = 2; OOL = 3.5; TL = 5; posterior ocelli touching occipital carina. Palpal formula 6/3. Scutum hairy, weakly granulated. Notauli complete, posteriorly separated; minimum distance between notauli shorter than greatest breadth of posterior ocelli (1:2). Scutellum and metanotum shiny, smooth, unsculptured or finely punctate. Propodeum dull, completely reticulate rugose, without transverse or longitudinal keels. Fore wing hyaline, without dark transverse bands; distal part of stigmal vein longer than proximal part (14:6). Paramere ( Plate 102E ) not showing distinctly developed dorsal process; dorsal process reduced to longitudinal fold showing numerous sense organs ( Plate 102F ). Tibial spurs 1/1/2.

Material examined. Types: holotype ♀: LAOS: Vientiane Prov., Gi Sion Village , De Tha Ngone ( BPBM) . Paratype: THAILAND: Trang Prov., Khaophappha, Khaochang, 1♀ ( AMNH) . Other material. CHINA: Guangdong, Xinfeng, Yunjishan Nature Reserve , 19.VII.2003, Mei Luo mleg., 1♀ ( SCAU) ; Shaanxi, Xi'an (= Siani), Fenghe (= Fong He ), IX.1980, P. Hammond leg., 1♀ ( BMNH) ; Taiwan, Taichung, Wanfeng Hill , X.1984, K.S. Lin & K.C. Chou leg., 1♀, 1♂ ( TARI) . THAILAND: Chiang Mai Prov., Maerim ( NHMLA) ; Chaiyaphum Prov., Pa Hin Ngam National Park, car park at Tung Dok Grajeaw , 15°38.438'N 101°23.576'E, 780 m, Malaise trap, 12–18.VII.2006, K. Sa-nod & B. Adnafai leg., 1♂ ( QSBG) ; Mae Hong Son Prov., Soppong , 19°27'N 9°20'E, 1500 m, 15–17.XI.1996, S. Becvar leg., 1♀ ( OLL) . Palaearctic : CHINA: Liaoning, Dalian , 16.VIII.1994, Juxian Lou leg., 1♂ ( ZJUC) ; Liaoning, Fuxin , 26.VII.1994, Juxian Lou leg., 1♂ ( ZJUC) .

Hosts. Unknown.

Distribution. China (Shaanxi, Taiwan, Liaoning), Laos (Vientiane), Thailand (Trang Prov., Chiang Mai, Chaiyaphum, Mae Hong Son).

Figures

PLATE 102. A, B, E, F. Male genitalia. C, D. Chelae. A. Echthrodelphax fairchildii from Hawaii (from Olmi 1984). B, C. E. laotianus from Thailand (from Olmi 1998e). C. E. laotianus, holotype (from Olmi 1984). D. E. rufus, paratype (arolium removed) (from Olmi 1984). E, F. E. rufus from China, paramere in ventral side (E) and dorsal view (F) (from Olmi 1995a). Scale bar 0.13 mm for A, 0.08 mm for B, 0.14 mm for C, 0.11 mm for D, E and F.