CURCULIONID^E. 379 



770. Acalles xerampelinus, 



Acalles xerampelinus, WolL, Cat. Can. Col 287 (1864). 

 Habitat Canarienses (Ten.), in lauretis humidis rarissimus. 



A remarkable Canarian Acalles which I have observed hitherto 

 only in the laurel-regions of Teneriffe, my few specimens having 

 been brushed out of rank vegetation (in damp spots) at the Agua 

 Garcia and above Taganana. 



771. Acalles nubilosus. 



Acalles nubilosus, WoU., Cat. Can. Col. 287 (1864). 

 Habitat Canarienses (Ten.), in locis similibus ac praecedens. 



Likewise Teneriffan, and found in much the same kind of places 

 as the last species to which indeed it is a good deal allied. Having 

 seen as yet but two examples of it (which I took in the laurel-dis- 

 tricts of Las Mercedes and above Taganana). its diagnosis can scarcely 

 be said perhaps to have been satisfactorily completed until further 

 material has been obtained for inspection. I may add however that 

 I do not believe that it can be regarded as any extreme modification 

 of the xerampelinus *. 



772. Acalles cinereus. 



Acalles cinereus, Woll., Ann. Nat. Hist. v. 453 (1860). 



Habitat Maderenses (Mad.), intra Euphorbiam melliferam in sylvaticis 

 humidis editioribus a Rev* 10 R. T. Lowe parce lectus. 



A few examples of this distinct Acalles were met with by the 

 Rev. R. T. Lowe at a very high elevation, towards the head of the 

 Boa Ventura, in Madeira proper, within the crevices of a dead stem 

 of the Euphorbia mellifera; and it is probable, therefore, that, the 

 species will be found to be of Euphorbia-infesting habits. In its 

 ashy-white surface and but slightly developed nodules, though not 

 in its general outline and comparatively small size, it is a little 

 suggestive at first sight of the A. argillosus. There is also a speci- 

 men of it in the collection of the late Mr. Bewicke. 



* The A. nubilosus seems to differ from the xerampelinus in its more ovate (or 

 less straightened) outline, and in the apex of its elytra being less drawn out or 

 produced, in its prothorax (when denuded of the scales) appearing rather less 

 coarsely punctured, and in its more variegated hue the darker scales being less 

 rufescent, and the paler ones spread over a larger portion of the surface, whilst 

 the postmedial fascia is not produced forward (in a straight line) on either side. 



