Pristiphora geniculata (Hartig, 1840)
publication ID |
https://doi.org/ 10.50826/bnmnszool.49.2_57 |
persistent identifier |
https://treatment.plazi.org/id/37193B62-0F04-FFB0-FF01-FF219F30FCEE |
treatment provided by |
Felipe |
scientific name |
Pristiphora geniculata (Hartig, 1840) |
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Pristiphora geniculata (Hartig, 1840)
New Japanese name: Nanakamado-higenaga-habachi
( Fig. 12)
Material examined. HOKKAIDO: 25$2 Ə, Engaru, coll. larvae on Sorbus commixta , 22. VII. 1993, coc. 24–26. VII., em. 9–12. VIII. 1993, H. Hara, and progeny of one of those $, 1 Ə, egg laid 10. VIII. 1993, em. 16. IX. 1993, H. Hara ; 9 $, Tokachigawa-onsen, coll. gregari- ous larvae on Sorbus commixta , 8. VII. 2008, mat. 9–11. VII., em. 23–25. VII. 2008, H. Hara ( Fig. 12A–B); 13$6Ə , Yakumo, coll. 140 early-instar gregarious larvae on Sorbus commixta , 20. VI. 2008, coc. 29. VI. – 1. VII., em. 11–23. VII. 2008, H. Hara ( Fig. 12C–G). — HONSHU : Gunma Pref.: 12$1 Ə, Manzaonsen, 36°38′N 130°30′E, coll. larvae on Sorbus commixta , 16. VIII. 2022, mat. 16–18. VIII., em. 5–6. IX. 2022, H. Kojima GoogleMaps .
Distribution. Japan (new record): Hokkaido, Honshu. Palaearctic (see Sundukov, 2017, for details), N. America (introduced; Forbes and Daviault, 1964).
Host plants. Rosaceae : Sorbus commixta Hedl. (new record). This species is associated with various species of Sorbus . For the host plants outside Japan, see Prous et al. (2017). This sawfly is well known as a pest in North America ( Forbes and Daviault, 1964; Looney et al., 2016).
Remarks. This Palaearctic species is here recorded from Japan for the first time. The Japa- nese females and males go to Pristiphora geniculata in the key to North-Western Palaearctic spe- cies of Pristiphora by Prous et al. (2017). Their 72 H. Hara et al.
lancets and penis valves are identical with those of European specimens respectively (compare Fig. 12A, E with figs. 150, 229 in Prous et al., 2017). The final instar larva of Japan ( Fig. 12G) is also almost the same as the European larva fig- ured by Macek et al. (2020, p. 537, fig. 4).
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Mykotektet, National Veterinary Institute |
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