Reikosiella (Hirticauda) tripotinorum, Fusu, Lucian, 2013

Fusu, Lucian, 2013, A revision of the Palaearctic species of Reikosiella (Hirticauda) (Hymenoptera, Eupelmidae), Zootaxa 3636 (1), pp. 1-34 : 28-30

9. Reikosiella (Hirticauda) tripotinorum sp. nov.

( Figs 6 , 12 , 20, 22, 39)

SPECIMENS EXAMINED. Holotype Ƥ: S. KOREA: Kangwondo/ Chuncheon, Nam-myeon/ Magog- li, along Hongchoen riv./ 70m, 5 Mal. trs., larch planted/ forest N 37˚43.786’ E 127˚34.589’/ 24.V–12.VI.2004 Tripotin rec. (AICF) [card mounted on the right side, uncontorted, entire]. Paratypes: 23 (including the allotype) same data as the holotype. 2Ƥ same data but 12.VI–11.VII.2004. 13 S. KOREA: Kangwondo/ Chuncheon, Nam-myeon,/ Hudong-li, Mal. trap in half/ shade at edge of forest/ 25.V–14.VI.2003 Tripotin rec. 13, S. KOREA Jirisan, Hamyang,/ Songjeon-li, Munsu-sa, 400m / 4 Malaise tr. in forest/ N 35˚ 24.739’ E 127˚ 43.818’/ 4–19.VI.2005 Tripotin rec. 13 S. KOREA Jeollabukdo, Buan-/ gun, Sannae-myeon, Yuyu/ 2 Malaise traps, low hill at/ forest edge/ 21.IV–27.V.2007 Tripotin rec. (AICF, one Ƥ from 12.VI–11.VII will be deposited in CNC).

ETYMOLOGY. Named in honor of entomologist Pierre Tripotin and his family, in recognition for his contributions to the knowledge of Korean Hymenoptera .

DESCRIPTION. Holotype Ƥ: length 2.2 mm. Head ( Fig. 6 ) bright metallic green, with some coppery reflections under some angles, especially on a median line in front of anterior ocellus and on lower parascrobal region; maxillary and labial palpi pale yellowish. Antenna with scape yellowish-brown except conspicuously darkened along ventral and dorsal margins; pedicel, F1 and F2 brown; F3–F6 white; F7, F8 and clava dark brown. Mesosoma ( Fig. 12 ) with pronotum yellowish-brown with bluish-green metallic lustre dorsally and a small dark brown spot on lateral corner anterior to each spiracle; mesoscutum with a bright green lustre except side of lateral lobe mainly yellowish-brown; tegula light brown; scutellum dark green with some golden lustre, contrasting with light brownish-yellow axillae; dorsellum and propodeum brown; prepectus and acropleuron light brown with some metallic lustre under some angles, the acropleuron gradually paler posteriorly to translucent at posterior margin; mesepisternum dark brown. Fore wing with brown venation except median part of submarginal vein and basal two thirds of marginal vein lighter; disc infuscate, with a brownish area in basal third of basal cell and relatively uniformly and strongly infuscate from parastigma to wing apex, with a slightly darker band behind parastigma followed by slightly paler area behind basal half of marginal vein and paler apex (Fig. 20). Legs with contrasting light and dark regions, fore leg primarily yellowish-brown with brownish claws and posterior and dorsal surfaces of femur and basal two thirds of tibia posteriorly brown; mid leg with coxa yellowish-brown, trochanter, base of femur, knees, and slightly more than apical half of tibia and tarsus whitish-yellow, femur brown on dorsal and posterior surfaces except extreme base and tibia with a broad brown, subbasal ring; hind leg with coxa and femur brown except extreme base of femur whitish similar to trochanter, tibia with basal half white, apex pale yellow and with a large brown subapical ring about as wide as light base, tarsus whitish-yellow, with brownish claws. Metasoma with Mt1 brownish, Mt2 and Mt3 translucent and whitish laterally but extensively brown dorsally, Mt4–Mt8 brown with faint green and coppery metallic lustres. Ovipositor sheath with a broad, dirty-white ring, and abruptly brown within basal and apical quarter.

Head with lower face, lower parascrobal area and temples imbricate-alutaceous to coriaceous, malar space and gena alutaceous with area below lower eye orbit near malar sulcus smooth, ocellar area, vertex from posterior ocelli and occipital area imbricate-coriaceous, frontovertex polished in rest except coriaceous in front of anterior ocellus and with scattered pinprick-like punctures; scrobal depression strongly imbricate-reticulate (mesh size much smaller than an eye facet), polished at juncture with interantennal prominence and with area above toruli imbricate-coriaceous ( Fig. 6 ); setae on frontovertex erect and translucent, those on lower face inconspicuous. Frontovertex 0.34× head width, with ocelli arranged in a right triangle. Eye inconspicuously microsetose with setae about as long as an ommatidium. Toruli with upper margin in line with lower orbit. Scape strongly curved in dorsal view, in outer view about 3.8× as long as wide, nearly parallel sided, without a ventral lamina; in outer view pedicel 2.4× as long as wide, F1 slightly longer than wide, F2 2× as long as wide, and following segments all petiolate and longer than wide, of similar length but gradually broadened toward clava, with F8 about 1.4× as long as wide; clava 3× as long as wide, as long as two and a half apical funiculars; pedicel plus flagellum 1.6× HW. Relative measurements: HW 38, FV 13, HL 20, HH 29, EL 20, EW 17, MS 12, LOL 2.5, OOL 2.5, POL 5, MPOD 3, SL 21, SW 5.5.

Pronotum divided medially, coriaceous to imbricate-coriaceous anteriorly and imbricate-alutaceous on lateral surfaces, with a line of about 10 erect setae along posterior margin and less conspicuous setae scattered over dorsal surface; mesoscutum uniformly covered with dense, long semierect setae, with convex anterior lobe reticulate, lateral lobes imbricate-coriaceous (dorsal surface of latter with very small mesh size), carinate in the posterior third, and median depressed area nearly polished with an area of smooth longitudinal rugae in front of anterior angle of scutellum. Axillae strongly, obliquely imbricate-alutaceous, appearing striate, with anterior edge in same plane as base of scutellum, and convexly sloping posteriorly; scutellum convex, circularly imbricate-coriaceous to reticulate dorsally (mesh size much smaller than an ommatidium), becoming semi-circularly coriaceous posteriorly, with several erect, long setae in row laterally, each row with about four setae. Dorsellum polished, with a broadly rounded median lobe covering apex of scutellum. Propodeum without plical depression, plical region wide, slightly below plane of callar regions, mostly smooth, with a longitudinal median carina and anteriorly with a broadly V-shaped and posteriorly with a broadly Λ-shaped carina; callar region slightly convex with long whitish setae in outer half, and with spiracle much smaller than a posterior ocellus and separated from anterior margin by distance equal to its own largest diameter. Acropleuron bare except with about four setae below prepectus, finely imbricate-coriaceous anteriorly and gradually smoother posteriorly; posterior half with cuticle very thin so that attachment site of mesotergal-mesopleural muscle clearly visible; mesepisternum coriaceous, with scattered white, erect setae, of which some arranged along acropleural sulcus. Hind coxa alutaceous to coriaceous, with a few white setae along ventral margin of outer surface and along dorsal edge. Mesotibia with 6 inconspicuous apical pegs. Fore wing 3.4× as long as wide; basal cell with uniformly distributed sparse setae; costal cell microsetose basally and apically, with two median lines of longer setae; parastigma with longer, darker setae than rest of disc, which is evenly setose with short, brownish setae; venation with long uncus and enlarged stigma ( Fig. 39 ), cc: mv: stv: pmv: uncus: u-pmv = 4.2: 6.5: 1: 2.0: 0.5: 0.5. Relative measurements: MSL 65, MSCL 26, MSCW 25, SCL 14, SCW 11, AXW 8, AXL 9, FWL 93, FWW 27, cc 25, mv 39, stv 6.0, pmv 12, uncus 3, u-pmv 3, HWL 87, HWW 16, MT 44, HT 42.

Metasoma with terga reticulate and sparsely setose, except Mt7 and Mt8 finely imbricate-alutaceous to coriaceous; Mt2–Mt4 with posterior margins emarginate, Mt5 and Mt6 only slightly emarginate; Mt8 (syntergum) with a distinct dorsal surface anterior to emargination surrounding posteriorly facing anal sclerite. Ovipositor sheath 0.5× hind tibia length. Relative measurements: MTL 74, MTW 39, OL 19.5.

MALE. Allotype length 1.4 mm. Head (Fig. 22) shiny, dark bluish-green with some coppery hue on scrobal depression, in front of and behind anterior ocellus and on occipital area. Maxillary and labial palpi whitish. Antenna brown with faint violet and green lustres under some angles and pedicel paler distally. Mesosoma (Fig. 22) dark with pronotum and median mesoscutal lobe with bluish-green lustre and lateral lobes, scutellar-axillar complex, and dorsellum coppery; propodeum bright green, shiny, with some coppery reflections on callar regions. Wings translucent with light brown venation. Legs pale yellowish-brown except coxae and following regions brown: all femora except fore and mid femora apically, mid and hind tibiae except in basal third and distally, and apical tarsomeres. Metasoma brown with faint violet and green lustres under some angles.

Head with lower face finely coriaceous, otherwise nearly polished except for fine coriaceous-alutaceous sculpture and small setiferous pinprick-like punctures, with numerous dark, semierect, short setae on parascrobal area and frontovertex and a few adpressed, short setae on lower face; occiput imbricate-alutaceous; scrobal depression shiny, shallow, wide-ovoidal, delimiting a broad parascrobal region, and with shallow depression at apex of interantennal region. Frontovertex about 0.6× head width, with ocelli arranged in an obtuse triangle of about 130°. Eye microsetose, with setae conspicuous and longer than an ommatidium. Toruli with ventral margin slightly above lower orbit; scape imperceptibly curved in dorsal view, in outer view 2.6× as long as wide, ovoidal, widest mesally; in side view pedicel about 2.3× as long as wide, F1 anelliform, inconspicuous, F2 about 3× as long as wide and 1.3× as long as pedicel, following segments all elongate but gradually shortened toward clava (F8 about 2.3× as long as wide), of similar width except median segments slightly thicker, all with long semierect setae about 2× as long as segment width on basal segments but with length gradually decreasing toward last segment of clava; clava tapered to apex and about 3.7× as long as wide, slightly longer than combined length of apical two funiculars; pedicel plus flagellum 2× HW. Relative measurements: HW 27, FV 15, HL 13, HH 21.5, EL 12, EW 10.5, MS 8, LOL 3, OOL 2.5, POL 6, MPOD 3, SL 9, SW 3.5.

Thorax with long dark setae dorsally; pronotum divided medially, imbricate-coriaceous; mesoscutum with deep notauli, mid lobe reticulate anteriorly to imbricate-coriaceous toward median depression and lateral lobes, scutellar-axillar complex finely coriaceous. Dorsellum narrow, linear. Propodeum smooth with a median carina, and a few sparse setae laterally. Hind coxa smooth, finely coriaceous, with bare outer surface and sparse long setae distally. Fore wing entirely setose except for small indistinct areas of sparser setae behind parastigma and below mediocubital fold; cubital fold with a conspicuous line of setae (Fig. 22); venation with long uncus and enlarged stigma (Fig. 22), cc: mv: stv: pmv: uncus: u-pmv = 3.1: 3.1: 1: 2.0: 0.4: 0.3. Relative measurements: MSL 41, MSCL 11.5, MSCW 19, SCL 13, SCW 8, AXW 8, AXL 9, FWL 71, FWW 29, cc 22, mv 22, stv 7, pmv 14, uncus 3, u-pmv 2, HWL 56, HWW 11, MT 23, HT 24.

Metasoma petiolate in dorsal view, with first gastral segment compressed; terga finely coriaceous with long conspicuous setae. Relative measurements: MTL 46, MTW 17.

VARIABILITY. Very little in available material, except the female paratypes have a violet hue on the posterior margin of the convex anterior mesoscutal lobe and especially on the posterior half of the lateral lobes. In one female, F2 is whitish dorsally in the apical third, similar to F3–F6, but only on the right antenna. Female paratypes length: 2.15–2.4 mm. Relative measurements: HW 37–39, FV 14–15, HL 21–23, HH 30–32, EL 20–21, EW 16–17, MS 12–13, LOL 2.5–2.8, OOL 2.5, POL 5–5.5, MPOD 3, SL 21–22, SW 5.5–6, MSL 65–70, MSCL 24–26, MSCW 26–27, SCL 15, SCW 10–11, AXW 9, AXL 10–10.5, FWL 93–99, FWW 27–31, cc 28–31, mv 38–40, stv 5.5–6, pmv 11–13.5, uncus 3, u-pmv 3–3.5, HWL 87–95, HWW 16–18, MT 44–48, HT 42–45, MTL 75–84, MTW 41–36, OL 20–23.

Male paratypes length: 1.3–1.4 mm. Relative measurements: HW 25–38, FV 14–15.5, HL 12–14.5, HH 20–22, EL 11–13.5, EW 9.5–11, MS 7–8, LOL 3–3, OOL 2.5-3, POL 6–6.5, MPOD 3, SL 8–9, SW 3–3.5, MSL 35–40, MSCL 12, MSCW 17–20, SCL 12–13, SCW 7.5–10, AXW 7.5–9, AXL 8.5–10, FWL 65–72.5, FWW 28–31, cc 19–23, mv 19–21, stv 7–8, pmv 13–15, uncus 3–3.5, u-pmv 2.5–4, HWL 53–60, HWW 9–11, MT 21–24, HT 22–24, MTL 41–40, MTW 12–19.

RECOGNITION. Females have a very similar antenna, wing and leg color pattern to that of R. hungarica , but differ from the latter in having much shorter ovipositor sheaths with a pale median ring, and a body with many testaceous areas but a bright green head and mesoscutum and a dark green scutellum contrasting with bright yellow axillae. The propodeum also has a much longer plical region than in R. hungarica . Males: see under R. hungarica .

BIOLOGY. Unknown.

DISTRIBUTION. South Korea

Figures

FIGURES 1 – 6. Reikosiella (Hirticauda) Ƥ heads: 1, R. rostrata. 2, R. andriescui. 3, R. gordoni. 4, R. cornuta. 5, R. hungarica. 6, R. tripotinorum. Scale bar 0.1 mm.

FIGURES 7 – 16. Reikosiella (Hirticauda) Ƥ: 7, R. andriescui dorsal habitus. 8, R. vanharteni head. 9, R. koreana head. 10, R. rostrata dorsal habitus. 11, R. hungarica dorsal habitus. 12, R. tripotinorum dorsal habitus. 13, R. gordoni dorsal habitus. 14, R. bolivari dorsal habitus. 15, R. graeca dorsal habitus. 16, R. cornuta dorsal habitus. Scale bar 0.5 mm for 7, 10 – 16 and 0.1 mm for 8 – 9.

FIGURES 31 – 40. Reikosiella (Hirticauda) Ƥ fore wing venation: 31, R. andriescui (inverted image of left wing). 32, R. bolivari. 33, R. cornuta. 34, R. hungarica. 35, R. graeca. 36, R. gordoni (ventral side of left wing). 37, R. koreana. 38, R. rostrata. 39, R. tripotinorum. 40, R. vanharteni. Scale bar 0.2 mm.