Calchaenesthes sexmaculata (Reiche, 1861)
[= Calchaenesthes sexmaculatus (Reiche) Rungs, 1952 (misspelling)]

Calchaenesthes sexmaculata
[Photo © Petr Jelínek]

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 May 2022.

Collected by Petr Jelínek

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 pdf icon]

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 pdf icon]

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

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 pdf icon]

Calchaenesthes sexmaculata
Calchaenesthes sexmaculata
Calchaenesthes sexmaculata
[Photo © Petr Jelínek]

SubfamiliaCerambycinae Latreille, 1802
TribusTrachyderini Dupont, 1836
GenusCalchaenesthes Kraatz, 1863
SpeciesCalchaenesthes sexmaculata (Reiche, 1861)