148 CANARIAN COLEOPTERA. 



rather more evidently ovate (instead of oblong-oval), and by their 

 legs being proportionally a little shorter and slenderer. The species, 

 too, is on the average decidedly smaller than the C. fulva. 



250. Corticaria serrata. 



Dermestes seri-atus, Payk., Fna Siwc. i. 300 (1798). 

 Latridius serratus, Gyll., Ins. Suec. iv. 126 (1827). 

 Corticaria serrata, Mann., in Germ. Zeitsch. v. 28 (1844). 



rotulicollis. Wall, Ins. Mad. 184 (1854). 



, Id, Cat. Mad. Col. G4 (1857). 



Habitat in Lanzarota, Fuerteventura, TeneritFa et Hierro, in domi- 

 bus, granariis et pra^sertim sub recremento farris circa basin acervo- 

 rum tritici sparso, vulgaris. 



A more recent and careful comparison has convinced me that the 

 Corticaria which I described in my ' Insecta Maderensia ' under the 

 specific name ot rotulicollis is coincident with the European C. serrata ; 

 and I have therefore corrected the synonymy accordingly. Although 

 hitherto I have taken the 0. serrata only in Lanzarote, Fuerteventura, 

 Teneriife, and Hierro, I have but little doubt that it is universal 

 throughout the archipelago ; for as it has every appearance of having 

 been naturalized from more northern latitudes (occurring principally 

 about houses and granaries*), it is pretty certain that it will be found 

 equally in all the islands if only searched for in its proper situations. 

 It is beneath the refuse around the base of corn- stacks that it is 

 principally to be met with ; where it usually resides in company with 

 the Trogosita mauritanica, Silvanus surinamensis, Cryptopliagus den- 

 tatus, Aglenus brunneus, Tenebrio obscurus, and similar introduced 

 species. Under such circumstances I have observed it in the greatest 

 profusion at Haria, in the north of Lanzarote ; and, diu'ing February 

 1858, I brushed it, in scarcely less abundance, from out of some ivy 

 which covered the walls of an old building at El Golfo, on the western 

 side of Hierro. My FuerteventiU'an examples are from the Rio 

 Palm as ; and the TenerifFan ones from the precincts of a house at the 

 Agua Mansa. 



251. Corticaria angulata, n. sp. 



C, oblongo-ovata, rufo-ferruginea, sat longe et grosse cinereo-j)ubes- 

 cens ; capite prothoraceque subopacis, hoc angustulo, ad latera 

 (oculo armato) crenulato necnon in medio angulato-latiore, rugoso- 

 punctato, postice fovea transversa impresso ; elytris vix fuscescen- 

 tioribus, subnitidis, leviter punctato-striatis, interstitiis uniseriatim 



* Gyllenhal's observation " Habitat ad horreorvuu parietes " would seem to 

 imply that the insect has much the same mode of life in Sweden as it has at the 

 Canaries. 



