OCR Text |
Show 1881.] I'ROF. J. O. WESTWOOD ON NEW EXOTIC MOTHS. 141 2. Vioa carteri, p. 129. a. Skeleton-spicule, X 134 diam.; b. Different forms of the flesh-spicule, X 375 diam. o. Renierafortior?, p. 126. a. External portion of section of skeleton perpendicular to surface, X 34 diam.; b. Main-skeleton spicule, X 375 diam. 4. Nardoa pelagica, p. 133. a. Spicules of main wall in their natural mutual positions, as seen in a section perpendicular to surface, X 34 diam.; b. Portions of two of the fine acerate spicules, X 67 diam. 5. Aphroceras sericatiim, p. 134. a. Spicules of main wall in their natural mutual positions, as in fig. 4 a, X 34 diam.; b. Portions of fine acerate spicules, X 34 diam. 6. Aphroceras caminus, p. 135. a. Spicules of main wall in their natural mutual positions, as in fig.4, a, X 34 diam.; b. Portions of fine acerate spicules, X 67 diam. 7. Aphroceras caminus?, var. crassior, p. 135. a. Spicules of main wall in their natural mutual positions, as in fig. 4 «, X 34 diam.; b. Portions of fine acerate spicules, X 67 diam. 8. Grantia atlantica, p. 136. Spicules of main wall in their natural mutual positions, with the exception of the acerate, which is displaced inwards, X 34 diam. 2. Descriptions of some new Exotic Species of Moths. By J. O. W E S T W O O D , M.A., F.L.S., &c. [Eeceived December 15, 1880.] (Plates XII., XIII.) Genus CASTNIA, Fabricius. CASTNIA ERYCINA, sp. nov. (Plate XII. fig. 4.) Species minima in genere: alts anticis nigro-fuscis, certo situ metallice, basi chalybeo-, apice viridi-nitidis ; alis posticis supra chalybeo-nigris, costa late sanguinea, dimidio postico late viridi-argenteo, venis nigris diviso ; corpore antennisque nigris chalybeo tinctis. Expans. alarum anticarum lin. 19. Hab. Eastern Ecuador (Buckley). In Mus. Salvin et Godmau; etiam in Mus. Hopeiano Oxonise. This lovely little insect formed part of a collection of insects from Eastern Ecuador, belonging to Messrs. Godman and Salvin, to whom the Hopeian Collection is indebted for a specimen. It was at first regarded as a butterfly and placed in the family Erycinidae, to some of the species of which it bears a striking resemblance. The arrangement of the veins of the wings, however, proves its position in the genus Castnia, with none of the species of which, however, does it possess a very decided relationship. The branches of the postcostal vein form an oblong cell in front of the anterior division of the dis-coidal cell, which is closed in its upper part by the angulated base of the two discocellular veins (See fig. 1, p. 142, b 5* and c 3*). The anal vein emits a short branch in the middle of its hinder margin. Mr. Clarence Buckley, by whom this species was captured, informs me that he took the specimens at Sarayacu, in a little clearing caused |