Megastylus (Dicolus) pectoralis ( Förster, 1871 )

Watanabe, Kyohei, 2023, Taxonomic and Zoogeographic Notes on Japanese Orthocentrinae (Hymenoptera, Ichneumonidae), with Descriptions of Four New Species, Bulletin of the Kanagawa Prefectural Museum (Natural Science) 52, pp. 7-44 : 28-29

publication ID

https://doi.org/ 10.5281/zenodo.11283244

publication LSID

lsid:zoobank.org:pub:3EF5E302-218F-4AED98C3-726441EE48DB

DOI

https://doi.org/10.5281/zenodo.11283375

persistent identifier

https://treatment.plazi.org/id/03AD87B6-A224-FF96-FC80-6B948AEC5F80

treatment provided by

Felipe

scientific name

Megastylus (Dicolus) pectoralis ( Förster, 1871 )
status

 

Megastylus (Dicolus) pectoralis ( Förster, 1871) View in CoL

[New SJN: Suneboso-ashinaga-hae-himebachi]

( Figs. 14A–D View Fig , 23K View Fig )

Dicolus pectoralis Förster, 1871: 97 .

Dicolus subtiliventris Förster, 1871: 97 .

Diagnosis. Hind tibia swollen in basal 2/3 and distinctly narrowed in apical 1/3 ( Fig. 23K View Fig ). Propodeum with a distinct transverse depression anterior 0.25–0.28, without lateromedian longitudinal carina and anterior transverse carina. T I 3.8–4.0 times as long as maximum width. Coxae yellow to brown, usually apex of hind coxa weakly darkened ( Fig. 14A View Fig ). In female: clypeus, mesopleuron, and T III reddish yellow to reddish brown ( Figs. 14B, C View Fig ). In male: frontal orbit, face, clypeus ( Fig. 14 D View Fig ), mesopleuron, and T III yellow to reddish brown; pronotum and mesoscutum sometimes with yellow to brown marking. Fore wing length 3.3–5.5 mm.

Material examined. JAPAN: NARO, 1 F & 1 M, Hokkaido, Mt. Daisetsu, Asahidake , 10. VII. 1970, H. Hasegawa leg. ; EUM, F, Hokkaido. Sapporo City, Hitsujigaoka , 2–9. VII. 2003, K. Konishi leg. (MsT) ; EUM, F, ditto, 19–26. XI. 2003 ; NARO, 2 M, Hokkaido, Sapporo City, Jozankei , 29. VIII. – 12. IX. 1989, K. Maeto & M. Sharkey leg. (MsT) ; NARO, 2 F, ditto, 12–21. IX. 1989 ; NARO, 3 M, ditto, 21–28. IX. 1989 ; NARO, 2 M, Hokkaido, Kumaishi, Kenichi-gawa, Iwafuchi-zawa , 1–11. X. 1995, Y. Ito & T. Ito leg. (MsT) ; NARO, 1 F & 1 M, ditto, 10–20. X. 1995 ; NARO, F, Hokkaido, Sapporo City, Misumai, Kannon-zawa , 3–15. IX. 1992, N. Kuhara leg. (MsT) ; NARO, M, 4–17. VII. 1993 ; NARO, F, Yamagata Pref., Oguni Town, Chojagahara , 7. VI. 1980, H. Takemoto leg. ; NARO, M, Fukushima Pref., Hinoemata , 1–2. VII. 1989, K. Konishi leg. ; NARO, M, Tochigi Pref., Yaita , 22. VIII. – 8. IX. 1989, K. Konishi leg. (MsT) ; KPM-NK 89792 , M, Kanagawa Pref., Atsugi City, Nakaogino , 26. IV. 2008, M. Gunji leg. ; KPM-NK 89793 , 89794 , 2 F, Yamanashi Pref., Koushu City, Yanagisawatoge , 5. VIII. 2008, K. Watanabe leg. ; KPM-NK 89795 , M, ditto, M. Gunji leg. ; KPM-NK 89796 , Yamanashi Pref., Koushu City, Hikawa , 15. VII. 2010, K. Watanabe leg. ; NARO, 4 M, Nagano Pref., Shimashima-dani , 27. VII. 1980, K. Maeto leg. ; NARO, F, ditto, H. Takemoto leg ,; NARO, ditto, 28. VII. 1980 ; NARO, 1 F & 2 M, ditto, K. Maeto leg. ; NARO, F, Nagano Pref., Norikurakogen , 13. X. 1982, K. Konishi leg. ; KPM-NK 89797 , F, Nagano Pref., Ueda City, Sugadaira-kogen, Tsukuba Univ. , 8. VIII. – 3. IX. 2014, S. Shimizu leg. (MsT) ; NARO, 4 M, Niigata Pref., Kurokawa Vil., Tainai , 3–4. VI. 1980, K. Maeto leg. ; NARO, 3 M, ditto, 8. VI. 1980 ; KPM-NK 80915 , F, Niigata Pref., Nagaoka City, Suyoshi Town, Mt. Nokogiri-yama , 21. VII. – 21. VIII. 2014, S. Shimizu & R. Shimizu leg. (MsT) ; KPM-NK 89798 , F, Shizuoka Pref., Fujinomiya City, Nishiusuzuka , 15. X. 2006, H. Katahira leg. ; KPM-NK 89799 , 89800 , 2 M, Shizuoka Pref., Kawanehoncho Town, Yamainudan , 14. VI. 2008, K. Watanabe leg. ; KPM-NK 89801 , F, Toyama Pref., Toyama City, Arimine, Jyuroudani , 8–15. IX. 2009, M. Watanabe et al. leg. (MsT) ; NARO, F, Tokushima Pref., Ichiu Vil., Mt. Tsurugi-san , 16. X. 1980, T. Goto leg. ; KPM-NK 89802 , M, Saga Pref., Tara Town, Taradake , 20. V. 2001, T. Yamauchi leg. ; NARO, F, Oita Pref., Mts. Kuju, Daisenrido , 18. VII. 1978, K. Setoya leg. GERMANY: ZSM, F (det. Rossem), Obbayern, Umg., Gauting , 3. VI. 1912, Haeselbarth leg.

Distribution. Japan (Hokkaido, Honshu, Shikoku, and Kyushu); widely distributed in Holarctic and Neotropical regions ( Yu et al., 2016).

Remarks. This is the first record of this species from Japan.

ZSM

Bavarian State Collection of Zoology

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Ichneumonidae

Genus

Megastylus

Loc

Megastylus (Dicolus) pectoralis ( Förster, 1871 )

Watanabe, Kyohei 2023
2023
Loc

Dicolus pectoralis Förster, 1871: 97

Forster, A. 1871: 97
1871
Loc

Dicolus subtiliventris Förster, 1871: 97

Forster, A. 1871: 97
1871
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