Calchaenesthes sexmaculata, a rare West-Mediterranean species occuring in Algeria, Morocco, Tunisia and Southern Spain, has been described from Kabylia (Algeria) as Anoplistes oblongo-maculatum var. Sexmaculatum by Louis Jérôme Reiche in 1861 [❖]. Larvae of C. sexmaculata develop in living or weakened oak (Quercus spp., especially in Quercus canariensis) twigs, life cycle is 2 or 3 years. Adults, active in May and June, are diurnal and can be found on the host trees and occasionally on flowers.

Body length:	9 - 13 mm
Life cycle:	2 - 3 years
Adults in:	May - June
Host plant:	oaks (e.g. Mirbeck's oak - Quercus canariensis, Quercus suber, Quercus faginea)
Distribution:	Algeria, Morocco, Tunisia, Spain [✧]

The depicted beetles were collected sitting on leaves of the host tree (Quercus canariensis) in Moyen Atlas (Morocco) in April 1956 and May 2022.

Collected by C. Aresten and Petr Jelínek

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[❖]
Reiche L.J.:
Sur quelques espèces de Coléoptères du Nord de l'Afrique.
Annales de la Société Entomologique de France, Paris (4) 1: 88-92, 1861. [download ]

[✧]
Verdugo P.A. and Coello P.:
Nuevo registro de Calchaenesthes sexmaculata (Reiche, 1861) (Coleoptera: Cerambycidae) en la provincia de Cádiz, España.
Revista gaditana de Entomología 6 (1): 57-60, 1861. [download ]

Villiers A.:
Coléoptères Cérambycides de l'Afrique du Nord.
Faune de l'Empire Français, ORSC Paris, 5: 1-152, 1946. [download ]

Trócoli S.:
Actualización del catálogo de Longicornios de Marruecos / Actualisation du catalogue des Longicornes du Maroc (Parte III / Partie III : Cerambycidae : Cerambycinae).
Revue de l'Association Roussillonnaise d'Entomologie (R.A.R.E.) 28 (3): 143–185, 2019. [download ]