One Chrysidid Wasp, Holopyga generosa, New to Korea
One Chrysidid Wasp, Holopyga generosa, New to Korea
Animal Systematics, Evolution and Diversity. 2011. Nov, 27(3): 271-273
Copyright ©2011, The korean Society of Systematic Zoology
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  • Received : October 10, 2011
  • Accepted : November 14, 2011
  • Published : November 30, 2011
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Seong Ho, Bang
Hyeong Hwa, Ha
Jeong-Kyu, Kim

The Korean occurrence of Holopyga generosa (Förster, 1853) is reported here for the first time. The genus is also new to Korea. This species might be easily distinguished from other Holopyga species by its relatively long hairs on the head and mesosoma. Diagnosis and digital images are provided.
The genus Holopyga consists of 91 extant species from all zoogeographic regions, but is mainly distributed in the Euro-pean part of the Palaearctic region (Agnoli and Rosa, 2011). The biology of this genus is poorly known, except for the parasitoids of ground-nesting sphecid wasps and the bee genus Chalcicodoma (Linsenmaier, 1959; Kimsey and Bohart, 1990).
Of the tribe Elampini, this genus can be distinguished by the following combination of characteristics: extended and angulate postocular region ( Fig.1 B), compactly cross-ridged scapal basin ( Fig.1 C), presence of inter-ocellar sulcus and genal carina, strongly arched forewing medial vein and setose medial cell ( Fig.1 D), presence of an anteromedial pit on the pronotum, angulate mesopleuron, evenly rounded apical mar-gin of tergum III ( Fig.1 A), subbasally angulate fore femur with ventral carina, multidentate tarsal claws, and vosella with digitus and cuspis ( Fig.1 E).
In this study, we report an occurrence of Holopyga generosa (Förster, 1853) in Korea for the first time, and the diagnosis and digital images are presented. The genus is also new to Korea.
Morphological terminology used followed Kimsey and Bohart (1990). All measurements were taken at the maximal portion of the structure being measured. Body length was measured from the anterior margin of the head to the posterior margin of the metasoma.
All the examined specimens are housed in the Laboratory of Insect Diversity of Hanseo University.
  • Order Hymenoptera
  • Family Chrysididae
  • Subfamily Chrysidinae
  • Tribe Elampini
  • GenusHolopygaDahlbom
Holopyga Dahlbom, 1845: 4. Type species: Holopyga amo-neula Dahlbom (designated by Ashmead, 1902: 227).
Holopyga generosa (Förster, 1853)
Ellampus generosa Förster, 1853: 349, ♂, Germany Nach, Aachen (Mus. Berlin).
Material examined. Korea: 1♀, Daejeon-si, Seo-gu, Doan-dong, 1 Jul 1992, Bak YS; 1♀, Gyeongbuk, Gyeongsan-si, Dae-dong, Yeongnam Univ. campus, 2 Jun 1995, Mun HJ;1♀, Gangwon-do, Wonju-si, Maeji-ri, Yonsei Univ. campus, 14 Jun 1996, Byun HW; 1♂, Mt. Gyeongsusan, 4-5 Jun 1997 (collector not written); 1♂, Jeongeup-si, Jangseong-gun, Bukha-myeon, Baekhak-dong, 20 May 2005, Chung DK.
Description (female). Body 7.0-7.4 mm long, and forewing 4.5-5.4 mm long ( Fig.1 A, B). Head and mesosoma with somewhat dense, long (especially ones in frons and pronotum twice as long as the diameter of anterior ocellus), whitish hairs, but hairs on metasoma shorter.
Coloration (Fig.1 A): Frons, scutum, scutellum and lateral part of propodeum bluish green with partly violet. Antennal scape, pedicel, pronotum, mesopleuron, metapleuron, pro-
PPT Slide
Lager Image
Holopyga generosa (Förster). A General habitus dorsal; B General habitus in profile; C Head in frontal view with palpalbasin; D Part of forewing showing strongly arched medial vein (arrow); E Genital capsule ventral (left) dorsal (right). Scale bars: A-D=1 mm E=0.5 mm.
podeum, femora, and outside of tibiae green with partly violet and blue. However, larger median part, of vertex, occiput and median (area between notauli) anterior half of scutum black. Metasomal tergum I reddish gold with partly black, and terga II-III reddish gold without any black marking. Sterna black.
Head: Slightly transverse, in frontal view, ca. 1.3× as broad as long; seen from above, ca. 2.5× as broad as long. Scapal basin somewhat deeply concave and densely carinate ( Fig.1 C). Antennal flagellum I ca. 2.7× as long as broad at apex, and ca. 2.0× as long as flagellum II. Frons except for scapal basin and vertex reticulate; occiput densely punctate. Larger median part of clypeus with dense large punctures, but sub-antennal space with sparse punctures. Gena reticulate and carinate.
Mesosoma: Pronotum densely punctate, but partially reticu-late, ca. 2.3× as board as long; anteromedial pit longitudi-nally linear in shape. Scutum, almost same as pronotum in length, reticulate, but anteromedial black area with dense small punctures. Scutum, mesoplueron, scutellum, metanotum and propodeal posterior face closely reticulate. Apical two-thirds lower inner marginal part of mid femur depressed and polished. Tarsal claw with four (including basal tiny tooth) subsidiary teeth.
Metasoma: Anterior sloping face of tergum I with moderate small punctures and longitudinal carinae; uppermost area of anterior sloping face with transverse impunctate smooth band; horizontal face of tergum I with dense medium-sized punc-tures. Tergum II with median longitudinal smooth line in its basal half. Dorsal faces of terga II-III with moderate large punctures, but dense larger punctures in their lateral parts.
Male . Much as in female, but different in the following details. Body length 7.4 mm, and forewing length 5.3 mm in two specimens herein. Head and mesosoma somewhat more purplish. Hairs on sterna longer than ones in female. Genitalia as in Fig.1 E showing typical genital capsule struc-ture of Holopyga species (see Kimsey and Bohart, 1990; Arens, 2004), with following characteristics: aedeagus spear-head-like, aedeagal lobes almost touching each other (not strongly departed), tip of aedeagus slightly exceeding gono-style end, and digitus relatively broad.
Distribution . Transpalearctic: North Africa, Europe, Middle East, China, Korea (new record).
Remarks . This species might be easily distinguished from other Holopyga species by its relatively long hairs on the head and mesosoma. The taxonomic status of this species is very complicated. Since its original establishment by Förster (1853), this species was considered to be a mere synonym of Holopyga chrysonata (Kimsey and Bohart, 1990), or was down-graded to a subspecies of H. fastuosa (Linsenmaier,1997). However, Agnoli and Rosa (2011) re-elevated it as a valid separate species. Concerning the taxonomic status of this form in this study, we adopted the opinion of Agnoli and Rosa (2011), who reflected the most comprehensive and recent results.
This study was supported by the Korean Ministry of Environ-ment (the Project of the Survey of Korean Indigenous Species, NIBR).
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