GB: Poplar Hawkmoth, F: Sphinx du Peuplier, D: Pappelschwärmer, RU: Topolevyi Brazhnik, S: Poppel-Nattsvärmare, NL: Populierpijlstaart, CZ: Zubokřídlec topolový, H: nyárfaszender, E: esfinge del chopo, cuerno verdeSmerinthus populi var. populetorum Staudinger, 1887, Stettiner Entomologische Zeitung 48: 65.
Type locality: [Kyrgyzstan,] Osch [Osh] (Haberhauer) [MNHU]; Lectotype designated by Danner, Eitschberger & Surholt, 1998, Herbipoliana 4(1): 111.
Holarctic; western Palaearctic region. Pleistocene refuge: Monocentric -- Turkestan refuge.
Wingspan: 70--120mm. Very like Laothoe populi populi. Many have a reddish tone, which is easily produced by subjecting developing pupae to heat, or grey replacing the pinkish tint.
Unknown, apart from frequenting river valleys, especially above 1000m altitude.
Probably bivoltine; April-May and again in July/August.
OVUM: Pale green, almost sperical and large for the size of moth.
Hostplants. Recorded on Populus and Salix (Pittaway, 1993).
River valleys in the mountains and foothills of eastern Uzbekistan, Tajikistan, Kyrgyzstan and south-eastern Kazakhstan (south of the Kyrgyz Steppe) to northwest China (Alphéraky, 1882; Pittaway & Kitching, 2000), possibly as far as the southern Altai Mountains.
Extra-limital range. None.
From Norway, Ireland, Portugal and Spain eastwards across the Urals to western Siberia and the Altai, as well as northwestern China (Xinjiang Province) south to Tacheng. Also the Ukraine, southern Russia, western/northern Turkey and the Caucasus region as subsp. Laothoe populi populi.