Strangalia takeuchii, an East-Palaearctic species occuring in Russia (Kuril Islands) and Japan, has been described as Strangalia (Strangalina) takeuchii from Japan (Honshu) by
Masaki Matsushita and Kôichi Tamanuki in 1935 [▽]. S. takeuchii larvae develop in the decaying wood of coniferous trees. Pupation in wood in spring and early summer, life-cycle 2 years.
Adults, active from June to August, are diurnal and anthophilous [✧]. 
                                          
| Body length: | ♂♂ 10 - 15 mm / ♀♀ 11 - 16 mm | 
| Life cycle: | 2 years | 
| Adults in: | June - August (August in Kunashir) | 
| Host plant: | coniferous trees (Abies) | 
| Distribution: | Russia (Kunashir - Kuril Islands), Japan (Hokkaido, Honshu, Shikoku) | 
The depicted female beetle (13 mm) was collected in Tretyakovo (Третьяково) cottage settlement environs
(N43°59′17″ E145°39′05″; ~30 m a.s.l., Valentina creek valley, Kurils Nature Reserve, Kunashir/Кунаши́р island, Kuril Islands,
Yuzhno-Kurilsky district, Sakhalin region, Russia) on August 30, 2009.
Collected by A. Zaitsev 
 
[▽]
Matsushita M. and Tamanuki K.:
Über einige Bockkäfer Japans.
Insecta Matsumurana, Sapporo 10 (1 & 2): 1-5, 1935.
[download  ]
]
[✧]
Danilevsky M.L.:
Longicorn beetles (Coleoptera, Cerambycoidea) of Russia and adjacent countries. Part 1.
Higher School Consulting, Moscow, 550pp [page 335], 2014.
[download  ]
]