| OCR Text |
Show 1867.] MR. G. R. CROTCH ON AZOREAN COLEOPTERA. 387 ATTALUS MINIATOCOLLIS, Tarnier (/. ci). (Pl. XXIII. fig. 5.) A. niger nitidus, parce nigro pilosus; capite piceo, bifoveolato; thorace rufo, quadrato, postice valde rotundato, paullo convexo; elytris viridibus, parce punctatis, postice dilatatis; pedibus nigris, coxis anticis rufis; antennis nigris, articulis 3 primis apice rufescentibus. L. l^lin. Mas. Antennis longitudine plus dimidio corporis. Hab. In insulis Terceira et Fayal, in floribus copiose lectus; in ins. Santa Maria (Drouet). Nearly allied to the Canarian A. ruficollis, Woll., but distinct by its punctuation &c. PHLfEOPHAGUS VARIABILIS, n. sp. P. crneo-piceus ; capite parce subtilius punctato, rostro substrigoso ; thorace antice subtilius, postice et lateribus fortiter punctato; elytris grosse punctato-striatis, interstitiis irregulariter biseriatim punctatis. L. 1\ lin. The above diagnosis will apply to nearly all the phases of this variable species, which may be further characterized as follows:- Var. o. Thorax finely and sparingly punctured, very shining; head extremely finely punctured; elytra with the punctures in the striae faint. From an elder-tree near the Furnas; very rare. Var. /3. Thorax more coarsely punctured, but shining; elytra with the punctures more deeply impressed, glossy eeneo-piceous. Very common in Euphorbia-stems in Flores and Corvo. Var. y. Thorax much more strongly punctured, especially behind, so that the interstices between the punctures no longer glisten; elytra with the striee hardly deepened, so that the punctures stand out isolated. Smaller than the last. Abundant in old trees in S. Miguel. Var. c. The extreme form in this direction, with the thorax almost scabrous, and the rostrum strigose. It is also smaller in size. In old fig-trees. The above range of variation is paralleled in the Canarian P. lau-rineus, which under similar circumstances runs through partly the same changes. The lightly sculptured ones seem always attached to the Euphorbia;. It is somewhat curious that in the allied genus Mesites, where some are found on laurel and some on Euphorbia;, the two form distinct sections, instead of merely varieties as here. ACALLES DROUETII, n. sp. (Pl. XXIII. fig. 4.) A. brunneus, squamis ochraceis densissime tectus; thorace confertim granulato, lateribus valde ampliatis carinatis, dense squamoso, linea media cinerea, nodulis 2 discoidalibus marginibusque setis erectis obsitis; elytris punctis magnis seriatim dispositis, interstitiis cage punctulatis, nodulis 2 anticis approximatis et 2 posticis maximis setis erectis veslitis, totis dense squamosis fusco varie- |
