Phytoecia (Helladia) diademata Faldermann, 1837

Subfamilia: LAMIINAE  /  Tribus: SAPERDINI

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[Photo © David Navrátil, click on the picture for 4K resolution]

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Phytoecia diademata, a beautiful West Irano-Anmatolian species occuring in Armenia, Azerbaijan, Georgia, North Iran and Turkey, has been described by Franz Faldermann from "Transcaucasia" in 1837 [✧]. The host plant of P. diademata is most likely Leiotulus dasyanthus (Apiaceae), Czech etnomologists collected in Armenia majority of its adults on this plant.

Body length:	8 - 13 mm
Life cycle:	1 year
Adults in:	May - June
Host plant:	in Armenia probably in Leiotulus dasyanthus (Apiaceae)
Distribution:	Armenia, Azerbaijan, Georgia, Iran, Turkey

The depicted beetles were collected on Leiotulus dasyanthus in Vayk (Վայք) environs (N39°41′54″ E45°33′44″; 1410 m a.s.l., Vayots Dzor province, Armenia) on May 21-22, 2025.

Collected by Josef Kadlec

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[✧]
Faldermann F.:
Fauna entomologica Transcaucasica. Coleoptera 2. Longicornes vel Capricornes.
Nouveaux Mémoires de la Société Impériale des Naturalistes de Moscou 5 (2): 1-433 [pages 297-298], 1837. [download ]

Sama G.:
Note sur les Helladia Fairmaire, 1864 du groupe pretiosa Faldermann avec description d'une nouvelle race d'Irak.
Biocosme Mesogéen 11: 31-36, 1994. [download ]

Özdikmen H. and Turgut S.:
An overview on the W-palaearctic subgenus Phytoecia (Helladia) Fairmaire, 1864 with a new subspecies Phytoecia (Helladia) humeralis caneri ssp. n. from Turkey (Coleoptera: Cerambycidae: Lamiinae).
Munis Entomology & Zoology 5 (2): 317-343, 2010. [download ]

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Male genitalia of Phytoecia (Helladia) diademata Faldermann, 1837 in detail: A. aedeagus, B. lateral lobes, C. subgenital plate.
[Photo © David Navrátil]

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Subfamilia	Lamiinae Latreille, 1825
Tribus	Saperdini Mulsant, 1839
Genus	Phytoecia Pic, 1892
Subgenus	Helladia Fairmaire, 1864
Species	Phytoecia (Helladia) diademata Faldermann, 1837