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Show 1902.] ON NEW SPECIES OF AMERICAN COLEOPTERA. 171 104. PSEPHOTUS CHRYSOPTERYGftUS. Of this species, perhaps the most beautiful of all Australian Parrakeets, we received a pair in immature plumage in March 1897. They are now in full plumage and in excellent condition. EXPLANATION OF THE PLATES. PLATE XVIII. JEclectus ivestermanni, £ and ? adult, p. 170. PLATE XIX. Platycercus mastersianus, p. 170. (Taken from specimen deposited on Oct. 29, 1897.) S. Descriptions of New Species of Coleoptera of the Family Halticidce from South and Central America. By M A R T I N JACOBY, F.E.S. [Received February 15, 1902.] (Plate XX.1) The constant application for the determination of so many specimens of Halticida? which I have received from different sources has induced m e to describe most of those which are contained in m y collection, for a long time unnamed, as a further contribution to the extremely numerous described forms from South and Central America. The subject can scarcely be dealt with at present in anything but a very incomplete manner, but every little helps and will one day assist in grouping together the enormous material known, when the time and opportunity has arrived for a proper monograph of this immense family, such as has been attempted with the species known from Central America, in the great work on that country by Godman and Salvin. The present paper deals with that division of the Halticida? in which a more or less distinct thoracic sulcus is present in connection with simple, not inflated, posterior clawTs. DlPHAULACA COSTATIPENNTS, Sp. n. Dark metallic blue, the basal joints of the antennae fulvous; thorax obscure cupreous, impunctate; elytra closely and nearly irregularly punctured, the sides with two or three longitudinal costae. Length 4 millim. Head impunctate, the frontal elevations elongate, divided by a deep groove, the carina acute; antennae long and slender, black, the lower three joints fulvous below, stained with metallic blue above ; thorax subquadrate, the sides straight at the base, rounded 1 For explanation of the Plate, *ee p. 204. 12* |
