OCR Text |
Show 164 ON NEW PHYTOPHAGOUS COLEOPTERA. [Feb. 19, Of rather elongate, medially constricted shape, the head entirely and closely rugose, the anterior portion obscure fulvous, the rest black ; eyes deeply and elongately notched ; antennae obscure dark fulvous ; thorax with the posterior portion gradually raised into a round elevation, the latter not sulcate but more strongly reticulate-rugose than the rest of the surface and of a deeper black colour, the sides and the anterior margin very obsoletely stained with fulvous ; scutellum impunctate, strongly transverse ; elytra very closely and deeply punctured, with a very obsolete ridge from the middle of the base to the apex, where it ends near the suture in a tubercle of moderate size, there are traces of other ridges also at the sides but they are very indistinct, and the whole surface presents more the appearance of reticulations in different directions; pygidium of oval shape, the margins acutely raised, the surface rugose ; entire under surface and the legs finely rugose, of more piceous or paler colour than above. Hab. "West Central Sumatra. From the Malayan region only two or three species of Chlamys are known, which quite differ iu sculpturing from the present insect, described from a single example in m y collection. Besides the species already mentioned, I have added to the drawings accompanying this paper figures (Plate X I V . figs. 1 0- 12) of three other well-marked species of Chlamys from Brazil. These are :- C. hirta Kollar, M o n . Chlam. p. 7. C. luteolaGerm. Ins. Spec. nov. p. 554. C. smaragdina, Klug, Entom. Monogr. p. 154. These and most of the other species have also been well described in Lacordaire's Monograph of the Phytophagous Coleoptera (vol. ii. p. 649). EXPLANATION OF PLATE XIV. Fig. 1. Chlamys discipennis, p. 156. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. || 19 JJ )) i* )» ?» i> II j j ;» boliviano., p. 159. deyrollei, p. 155. amazonica, p. 160. dentipcs, p. 154. clypeata, p. 159. cordovensis, p. 158. lacordairei, p. 153. indica, p. Ifi3. hirta, p. 164. luteola, p. 164. smaragdina, p. 164. |