Embolemus pecki Olmi, 1997

Olmi, Massimo, Mita, Toshiharu & Guglielmino, Adalgisa, 2014, Revision of the Embolemidae of Japan (Hymenoptera: Chrysidoidea), with description of a new genus and two new species, Zootaxa 3793 (4), pp. 423-440 : 430-431

4. Embolemus pecki Olmi, 1997

( Fig. 1 C)

Embolemus walkeri Richards partim: Yasumatsu 1960: 25 (male paratypes of E. walkeri ).

Embolemus walkeri Richards : Hirashima & Yamagishi 1975: 27 (all males of E. walkeri , except one male from Japan, Kamiozoegawa).

Embolemus ruddii Westwood : Olmi 1996: 112, part. (only some specimens from Taiwan and Japan).

Embolemus krombeini Olmi 1996: 123 , part.

Embolemus pecki Olmi 1997: 139 ; Yamane et al. 1999: 72; Guerrero 1999: 301; Xu et al. 2001: 215; Xu et al. 2012a: 119; Olmi et al. 2014a: 99 .

Redescription. Male. Fully winged; usual length 2.2–4.3 mm (in specimen from Canary Islands length 1.3 mm). Head black or brown, except clypeus and mandible testaceous; antenna testaceous or testaceous-brown; mesosoma testaceous-brown (in two small paratypes from Mt. Tachibanyama), or with prothorax and scutum brown, scutellum and metanotum testaceous-brown, propodeum black (in holotype and large paratype from Omogo Valley); metasoma brown or testaceous; legs testaceous. Antennae filiform, not geniculated, not thickened distally, without rhinaria, articulated to prominent contiguous processes; antennal toruli very far from upper margin of clypeus; antennal segments in following proportions: 10:3:32:31:30:28:26:25:23:24. Head shiny, smooth, very finely punctate, unsculptured among punctures, covered with fine short hairs; dorsal side of head swollen; occipital carina complete; ocelli distinct; POL = 3; OL = 2,5; OOL = 7; OPL = 8; TL = 13; face with track of median furrow, only present in front of anterior ocellus and near antennal toruli; eye large, much shorter than head (13:29); region of face from clypeus to antennal toruli with two complete longitudinal and median sutures much nearer antennal sockets than clypeus. Maxillary palpi with six segments; labial palpi with two-three segments. Pronotum very short, partly hidden behind occiput, with complete median longitudinal furrow; pronotal tubercle reaching tegula. Scutum and scutellum shiny, smooth, finely punctate, unsculptured among punctures, covered with fine short hairs. Notauli incomplete, reaching approximately 0.2 × length of scutum. Metanotum very short, medially rugose. Propodeum rugose, dull, without longitudinal or transverse keels. Meso- and metapleuron shiny, smooth, unsculptured or finely punctuate. Fore wing hyaline or weakly darkened, without dark transverse bands, with four cells fully enclosed by pigmented veins (CC, BC, SBC, 1DC); marginal cell open. Petiole usually shorter than metatrochanter, occasionally longer (9:8). Proximal membranous process of paramere ( Fig. 1 C) with numerous papillae on distal region. Tibial spurs 1/2/2.

Female. Unknown.

Material examined. Types: Holotype of E. pecki Olmi , ♂: JAPAN: Shikoku, Ishizuchi Mt. National Park, Omogo Valley, 700 m, 21.VIII.1980, S. Peck leg. ( CNC). Paratypes of E. pecki Olmi : JAPAN: same locality label as holotype, 1♂ ( CNC); Kyushu, Fukuoka, Mt. Tachibanayama, 12.VIII.1980, C.M. Yoshimoto leg., 2♂ ( AMNH, CNC); Ryukyu Islands, Ishigaki Island, Kara-yama, 14.III.1964, C.M. Yoshimoto & J. Harrell leg., 2♂ ( BPBM); INDONESIA: Sula Islands, Mangole Island, near Buya, C. van Achterberg leg., RMNH '93, Malaise trap 9, 480 m, 12.X–2. XI.1993, 2 ♂ ( RMNH); same locality label, Malaise trap 10, 480 m, 12.X–2. XI.1993, 3 ♂ (2 in RMNH, 1 in AMNH); same locality label, Malaise trap 11, 460 m, 12.X–2. XI.1993, 2 ♂ ( RMNH); same locality label, Malaise trap 12, 495 m, 12.X–2. XI.1993, 3 ♂ (2 in RMNH, 1 in AMNH); same locality label, Malaise trap 13, 465 m, 13.X–2. XI.1993, 3 ♂ (2 in RMNH, 1 in AMNH); same locality label, Malaise trap 14, 450 m, 13.X–2. XI.1993, 3 ♂ (2 in RMNH, 1 in AMNH); same locality label, Malaise trap 15, 445 m, 13.X–2. XI.1993, 2 ♂ ( RMNH); same locality label, Malaise trap 16, 450 m, 13.X–2. XI.1993, 2 ♂ ( RMNH); same locality label, Malaise trap 17, 440 m, 13.X–2. XI.1993, 6 ♂ (4 in RMNH, 2 in AMNH); same locality label, Malaise trap 18, 430 m, 13.X–2. XI.1993, 2 ♂ ( RMNH). TAIWAN: Tainan Hsien, Kwantzeling, (250 m, 6–7.IV.1965, C.M. Yoshimoto leg., 1♂ ( BPBM); Chiayi Hsien, Arisan, 2130 m, 17.VIII.1964, J.L. Gressitt leg., 2♂ ( BPBM, AMNH); Nantou Hsien, Wushe, 1150 m, 13.IV.1983, H. Townes leg., 1♂ ( CNC); same locality label, IX.1983, 1 ♂ ( CNC). Other material. JAPAN (new record): Hokkaido, Sapporo, 5–17.VIII.1989, K. Maeto & M. Sharkey leg., 1♂ ( AEIC) (misid. E. ruddii by Olmi 1996); Hokkaido, Sapporo-shi, Soranuma-dake, 42°54’N 141°16’E, 27.VII–21.VIII.2008, selectively cut forest, Malaise trap, A. Ueda leg., 6♂ (TUA); Kyushu, Fukuoka, Mt. Hiko, 700 m, 1–15.XI.1989, K. Takeno & M. Sharkey leg., 1♂ (misid. E. ruddii by Olmi 1996)( AEIC); Kyushu, Fukuoka, near summit of Mt. Hikosan, 1200 m, 5.X.1972, H. Makihara leg., 1♂ ( ELKU) (misid. E. walkeri Richards by Hirashima and Yamagishi 1975); same locality label, 6.X.1972, 2♂ ( ELKU) (misid. E. walkeri Richards by Hirashima and Yamagishi 1975); Ryukyu Islands, Iriomote Island ( Yamane, Ikudome & Terayama 1999); Shikoku, Ehime Prefecture, Saragamine, 22.VIII.1954, M. Miyatake leg., 1♂ ( ELKU) (designated erroneously as paratype of E. walkeri Richards by Yasumatsu 1960); same locality label, 23.XI.1954, M. Okada leg., 1♂ ( ELKU) (designated erroneously as paratype of E. walkeri Richards by Yasumatsu 1960); Tsushima Island, Mt. Taterayama, 27.IX.1959, T. Hidaka, H. Kamiya, K. Morimoto & T. Kawarabata leg., 1♂ ( ELKU) (misid. E. walkeri Richards by Hirashima & Yamagishi 1975).

Hosts. Unknown.

Distribution. Palaearctic Region: Japan (Hokkaido, Kyushu, Shikoku, Tsushima, Iriomote), P.R. China (Jilin, Liaoning, Shanxi), Russia (Far East), Spain (Canary Islands); Oriental Region ( Indonesia, P.R. China (Fujian, Guangdong, Guangxi, Guizhou, Henan, Hubei, Shaanxi, Sichuan, Zhejiang), Taiwan, Vietnam) ( Xu et al. 2012a; Olmi et al. 2014a).

Remarks. Two paratypes of Embolemus krombeini Olmi from Mangole Island (Sula Islands, Indonesia) designated by Olmi (1996) and deposited in RMNH really belong to E. pecki .

5. Embolemus sensitivus Xu, Olmi & Guglielmino, 2012 ( Fig. 1 D)

Embolemus walkeri Richards : Yasumatsu 1960: 25, part., ♂, allotype of E. walkeri .

Embolemus walkeri Richards : Hirashima & Yamagishi 1975: 27, part., ♂ from Japan, Kamiozoegawa. Embolemus sensitivus Xu et al. 2012a: 1118 ; Olmi et al. 2014a: 100 .

Redescription. Male. Macropterous; length 2.8–3.62 mm. Head brown-black, except clypeus, mandible, part of gena and part of ventral side testaceous; antenna brown-testaceous; mesosoma brown, except prothorax, axillae and lateral regions of scutellum testaceous; metasoma brown; legs testaceous. Antenna filiform, not geniculated, not thickened distally; antennae articulated to prominent contiguous processes; antennal segments in following proportions: 8:2.5:22:20:20:19:17:17:16:18. Head shiny, unsculptured, covered with short hairs, with dorsal side swollen; occipital carina complete; ocelli distinct; POL = 2; OL = 2; OOL = 6; OPL = 5; TL = 6; face without median furrow; eye small, approximately 0.5 × as long as head (11:23); region of head from clypeus to antennal toruli with two longitudinal and median sutures very convergent. Palpal formula 6/3. Pronotum very short, with median longitudinal furrow. Scutum shiny, unsculptured. Notauli incomplete, reaching approximately 0.25 length of scutum. Scutellum shiny, unsculptured. Metanotum shiny, short, transverse, unsculptured. Propodeum dull, reticulate rugose; dorsal surface without median longitudinal keels from anterior margin to posterior surface. Mesopleuron and metapleuron shiny, smooth, unsculptured. Meso-metapleural suture distinct and complete. Fore wing hyaline, completely slightly darkened; 1 SDC cell open. Hind wing hyaline, completely slightly darkened. Proximal membranous process of paramere with many sensorial filaments located on distal and subdistal region, without papillae ( Fig. 1 D). Tibial spurs 1/2/2.

Female. Unknown.

Material examined. Types: Holotype of E. sensitivus Xu et al. , ♂: P.R. CHINA: Yunnan, Jinghong, Naban River National Nature Reserve, 19–23.VII.2011, yellow pan trap, Nasen Wei et al. leg. ( SCAU). Paratypes of E. sensitivus Xu et al. : P.R. CHINA: Fujian, Mt. Wuyishan, 10.VII.1991, Wu Hong leg., 1♂ ( SCAU); Yunnan, same locality label as holotype, 15♂ (14 in SCAU, 1 in MOLC); Zhejiang, Linan, Mt. Qinliangfeng, 9.VIII.2005, Shi Min leg., 1♂ ( SCAU); same locality label, 11.VIII.2005, 1♂ ( SCAU); same locality label, 12.VIII.2005, 1♂ ( MOLC); Zhejiang, Taishun, Mt. Wuyanling, 30.VII.2005, Xu Peng leg., 1♂ ( SCAU). TAIWAN: Nantou Hsien, Mt. Lushan, 19.VI.2011, Pu Tang leg., 1♂ ( SCAU). Other material. JAPAN (new record): Hokkaido, Kuriyamacho, 42°54’N 141°56’E, 200 m, selectively cut forest, 12–26.X.2007, A. Ueda leg., 1♂ (TUA); Hokkaido, Sapporo, Hitsujigaoka, 43°00’09’’N 141°24’56’’E, 28.VIII–4.IX.2009, Malaise trap, K. Konishi leg., 1♂ (TUA); Honshu, Nagano Prefecture, Sugadaira, 22.VIII.1963, M. Shiga leg., 2♂ ( ELKU); Kyushu, Saga Prefecture, near Hokuzan, Kamiozoegawa, 25.IX.1973, K. Yamagishi leg., 1♂ ( ELKU) (misid. E. walkeri by Hirashima and Yamagishi 1975); Shikoku, Ehime Prefecture, Sugitate, 11.XII.1955, M. Okada leg., 1♂ ( ELKU) (designated tentatively as allotype of E. walkeri Richards by Yasumatsu 1960).

Hosts. Unknown.

Distribution. Palaearctic Region: Japan (Hokkaido, Honshu, Kyushu, Shikoku), P.R. China (Shanxi), Russia (Far East); Oriental Region: P.R. China (Fujian, Shaanxi, Yunnan, Zhejiang), Taiwan ( Xu et al. 2012a; Olmi et al. 2014a).

Figures

FIGURE 1. Male genitalia (right half removed) of Embolemus hachijoensis (A, paratype from Japan, Hachijo Island), E. krombeini (B, from P. R. China, Yunnan, Gaoligongshan), E. pecki (C, from P. R. China, Fengyangshan), E. sensitivus (D, from P. R. China, Naban River National Nature Reserve), and E. ruddii (E, from Slovenia, Herceg Novi). Scale bar 0.16 mm.