Syzeuctus apicifer (Walker, 1874)

Kang, Gyu-Won, Kolarov, Janko & Lee, Jong-Wook, 2020, Review of the genus Syzeuctus (Hymenoptera, Ichneumonidae, Banchinae) from South Korea, Journal of Hymenoptera Research 80, pp. 17-30 : 17

Syzeuctus apicifer (Walker, 1874)

Fig. 2A

Macrus apicifer Walker, 1874: 305. Type: ♀, TL: Japan, TD: NHMUK.

Diagnosis.

Female. Face convex, densely and coarsely punctate. Clypeus truncate apically. Temple polished and convex, with fine punctures. Malar space about 0.7 times as long as basal mandibular width. Antenna filiform with 43 flagellomeres; first flagellomere 1.8 times as long as second flagellomere. Mesosoma stout with dense pubescence. Epicnemium with a developed lamelliform projection apically. Propodeum in dorsal view stout; closely punctate tending to rugose, partly with dense setae; without posterior transverse carina. Fore and mid tarsal claws pectinate. Ratio of hind tarsal segments are 4.5: 2.5: 1.6: 0.8: 1.0; hind tarsal claw simple. Hind wing with eight hamuli. First tergite rectangular, 2.5 times as long as posterior width, without lateral longitudinal carina. Second tergite coriaceous, 1.5 times as long as posterior width. Ovipositor sheath with dense, short setae; approximately as long as metasoma.

Color. Black with brownish metasoma. Frontal orbit yellow, interrupted medially. Clypeus and mandible yellow with black mandibular teeth. Genal orbit yellow. Malar space yellow apically. Antenna brown with black scape and pedicel. Mesoscutum black with a small anterior triangular yellow spot on each side. Scutellum yellow except black triangular spot anteriorly. Tegula yellow. Mesopleuron black with small yellow mark just below tegula. Upper projection of mesepimeron yellow. Propodeum in dorsal view with small yellow spot on each side of anterior part; strongly pointed triangular mark posteriorly. Fore wing with brown spot apically. Fore and mid legs entirely yellow with brown tarsal claw. Hind coxa and trochanter black with brown apically; trochantellus yellow; femur yellowish brown; tarsus and tarsal claw tan brown. Metasoma brown with black posteriorly. First tergite with yellow anteriorly and posteriorly.

Male. Male has more yellow spots; face, pronotum with longitudinal mark anteriorly and upper and posterior corner, mesopleuron with a longitudinal mark, posterior half of metapleuron. The color of genal orbit, mesoscutum, scutellum, propodeum are same with female. First and Second tergite black with yellow anteriorly and posteriorly. Third and fourth tergites brown with yellow posteriorly. Fore wing a bit infuscate apically, without spot.

Material examined.

South Korea: 1♀, [CN] Sijang-ri, Ibjang-myeon , 10 Sep. 2010, H. S. Lee leg. ; 1♀, [GB] Cheongdo-gun Gakbuk-myeon Namsan-ri , 20 Jun. 2007, J. W. Lee leg. ; 2♀♀, ditto, 27 Jul. - 14 Aug. 2008, J. W. Lee leg. ; 1♀, ditto, 23 Aug. 2008, J. W. Lee leg. ; 1♀, ditto, 25 Jun.-8 Jul. 2012, J. W. Lee leg. ; 2♀♀, ditto, 2 Sep.-18 Nov. 2012, J. W. Lee leg. ; 1♀, [GB] Cheongdo-gun Maejeon-myeon Mt. Seonuisan, 21 Sep. 2008 ; 1♂, [GB] Cheonmunsa , 1 Jul. 1981, S. S. Kim leg. ; 1♀, [GB] Goryang-gun Osilnaru , 6 Sep. 1997, J. W. Lee leg. ; 1♂, [GB] Gunwi-si Bugye-myeon Dongsan-ri San 75 Odoam , 17 Aug. 2015, J. W. Lee leg. ; 1♂, [GB] Gyeongju-si Sinwon 2-gyo, 17 Jun. 2016, J. W. Lee leg. ; 1♀ 1♂, [GB] Gyeongsan-si Apryang-myeon Sinwol , 21 Jun. 1986, J. M. Choi leg. ; 1♀, [GB] Gyeongsan-si Daehak-ro 280 Yeungnam Univ. , 27 Jun. 1986, M. L. No leg. ; 12♀♀, ditto, 3 Jul. 1986, J. W. Lee leg. ; 3♀♀, ditto, 10 Jul. 1986, J. W. Lee leg. ; 3♀♀ 1♂, ditto, 8 Sep. 1986, J. W. Lee leg. ; 1♂, ditto, 9 Sep. 1986, J. W. Lee leg. ; 2♀♀ 1♂, ditto, 14 Oct. 1986, J. W. Lee leg. ; 1♂, ditto, 29 Jun. 1987, J. W. Lee leg. ; 2♀♀, ditto, 3 Jul. 1987, J. W. Lee leg ; 1♂, ditto, 6 Jul. 1987, J. W. Lee leg. ; 1♀ 2♂♂, ditto, 8 Nov. 1987, J. W. Lee ; 1♀, ditto, 18 Sep. 1987, J. W. Lee leg. ; 1♀, ditto, 26 Aug. 1988, K. I. Suh leg. ; 1♂, ditto, 27 Aug. 1988, J. W. Cha leg. ; 1♀ 1♂, ditto, 30 Aug. 1988, J. Y. Cha leg. ; 1♀, ditto, 31 Aug. 1988 ; 2♂, ditto, 1 Sep. 1988, J. W. Lee leg. ; 2♀♀ 3♂♂, ditto, J. W. Lee leg. ; 3♀♀ 1♂, ditto, 3 Sep. 1988, E. S. Kim leg. ; 2♂♂, ditto, 7 Sep. 1988 ; 1♂, 3 Jul. 1989, J. G. Kim leg.; 1♀, ditto, 5 Aug. 1989 ; 2♀, ditto, 5 Sep. 1989 ; 1♂, ditto, 6 Sep. 1989 ; 1♀, ditto, 20 Jun. 1992, S. M. Lee leg. ; 1♀, ditto, 20 Jun. 2008, Y S. Choi leg. ; 1♂, ditto, 13 Jul. 2008 ; 1♀, ditto, 8 Jul. 2008 ; 1♀, ditto, 28 Aug. 2008, J. Chen leg. ; 1♀, ditto, 20 Sep.-3 Oct. 2015, J. W. Lee leg. ; 1♂, [GB] Gyeongsan-si Namcheon-myeon Hado-ri Hadojeosiji , 18 Jun. 2016, J. W. Lee leg. ; 3♀♀ 1♂, [GB] Gyeongsan-si Nammaeji , 7 Jul. 1986, J. Y. Cha leg. ; 1♂, [GB] Mt. Baekamsan Subi , 10 Jul.1999 ; 1♂, [GB] Mt. Hakgasan , 6 Sep. 1998 ; 1♀ 1♂, [GB] Mt. Sonamsan , 5 Sep. 1998, S. J. Suh leg. ; 2♀♀, [GB] Sangju-si Gongseong-myeon , 18 Jul. 2007, S. K. Lee leg. ; 1♀, [GB] Yeongju-si Bonghyeon-myeon Mt. Sobaeksan Ongnyeobong, 27 Jul. 2003 ; 1♀, [GG] Gwangcheon-ri , 23 Apr. 1984, J. W. Lee leg. ; 1♂, [GN] Jinju-si Gajwa-dong , 29 Jul. 1989, J. S. Park leg. ; 1♀, [GW] Goseong-gun Ganseong-eup Tapdong-ri Scheonsa , 10 Sep. 2008, H. S. Lee, S. W. Suk, & J. S. Lim leg. ; 1♀, [GW] Hoengseong-gun Gapcheon-myeon Hadae-ri Holocene , 8-14 Jul. 2009, J. W. Lee leg. ; 1♀, [GW] Hongcheon-gun Bukbangmyeon Seongdong-ri Jayeonhwangyeongyeongu park, 1419 Sep. 2011 ; 1♀, [GW] Wonju-si Heungeop-myeon Maeji-ri Yonsei Univ. Wonju Campus, 16 Aug.-16 Oct. 2008, H. Y. Han leg. ; 1♀, ditto, 523 Sep. 2008, H. Y. Han leg. ; 1♀, ditto, 16 Aug.-16 Oct. 2009, H. Y. Han leg. ; 1♀ 5♂♂, ditto, 29 Jun.-15 Jul. 2011, H. Y. Han leg ; 1♀, ditto, 1 Jun.-30 Jul. 2012, H. Y. Han leg. ; 1♀, ditto, 20 Jun.-30 Jul. 2013, H. Y. Han leg. ; 1♀, ditto, 523 Sep. 2015, H. Y. Han leg. ; 1♂, ditto, 17 Jul.-5 Sep. 2015, H. Y. Han leg. ; 1♂, [JB] Jinan-gun Baegun-myeon Nochon-ri , 10 Jul. 2013, S. H. Oh leg. ; 1♀ 1♂, [JB] Mt. Unjangsan , 5 Sep. 1998 ; 1♀, [JB] Wanju-gun Dongsang-myeon Daea Arboretum , 1630 Jun. 2012, J. M. Park leg. ; 1♀, [JJ] Noruoreum , 26 Jun. 2003 ; 1♀ 1♂, [Daegu] Dalseo-gu Daegok-dong Daegu Arboretum , 20 Jun.-4 Jul. 2012, S. G. Kang leg. ; 1♂, [Seoul] Noweon-gu Sanggye 4-dong Mt. Suraksan , 18 Jul.-24 Aug. 2007, J. O. Lim leg. China: 1♂, Jirin, Yanbian Hunchun , 21 Jul. 2010, J. W. Lee leg.

Distribution.

South Korea (new record), China (Sichuan), Japan.

Figures

Figure 2. Habitus in lateral view A Syzeuctus apicifer (Walker) B S. coreanus Uchida C S. sambonis Uchida. Scale bars: 1.0 mm.