Roptrocerus xylophagorum ( Ratzeburg, 1844 )

Tselikh, Ekaterina V., Kosheleva, Oksana V., Ku, Deok-Seo, Lee, Jaehyeon & Belokobylskij, Sergey A., 2025, The hymenopteran parasitoid complex (Hymenoptera, Braconidae, Eulophidae, Pteromalidae) of the pine bark beetle Cryphalus fulvus Niisima, 1908 (Curculionidae, Scolytinae) in South Korea, Journal of Hymenoptera Research 98, pp. 637-652 : 637-652

Roptrocerus xylophagorum ( Ratzeburg, 1844)

Fig. 20

Pachyceras xylophagorum Ratzeburg, 1844: 218. Type presumed lost.

Note.

For synonymy and citations, see UCD Community (2025).

Material examined.

Other material: South Korea • 1 ♀; Gyeongsangnam-do, Geochang-gun, Namsang-myeon, Jeoncheok-ri , 35°37'15.3"N, 127°57'51.4"E, reared from Cryphalus fulvus Niisima on Pinus densiflora Siebold & Zucc. , 11–13.VI.2022, coll. E. Tselikh, J. Lee, S. Belokobylskij; ( NIBR) .

Distribution.

Australia, Austria, Belgium, Bosnia and Herzegovina, Bulgaria, Canada, China, Croatia, Czech Republic, Finland, France, Georgia, Germany, Greece, Guatemala, Hungary, Israel, Italy, Japan, Kazakhstan, Lithuania, Mexico, Netherlands, Norway, Poland, South Korea (new record), Romania, Russia, Spain, Sweden, Switzerland, United Kingdom, USA ( Tselikh 2010, 2019; UCD Community 2025).

Biology.

Primary ectoparasitoids of beetles from the subfamily Scolytinae ( Curculionidae ), including Cryphalus fulvus Niisima ( Kamijo 1981; UCD Community 2025).

Figures

Figures 17–24. Sycosoter hattorii (Kono & Watanabe, 1935), not type female (17); Rhaphitelus maculatus Walker, 1834 (18); Pediobius moldavicus Bouček, 1965 (19); Roptrocerus xylophagorum (Ratzeburg, 1844) (20); Allocricellius armandii Yang, 1996 (21–24). 17–21 Body, lateral view 22 head, frontal view 23 fore wing 24 and scutellum and propodeum, dorsal view.