OCR Text |
Show 100 MR. M. JACOBY ON THE [Feb. 1, oblique ridges, which continue between the antennae ; the lower part of the face concave ; the penultimate joint of the palpi transversely quadrate. Antennse rather robust, more than half the length of the body, black ; the first joint thick and rather short, the second as thick but one third shorter, the two following joints elongate and thinner, the rest gradually and moderately dilated, longer than broad. Thorax rather more than twice as broad as long, widened at the middle, the sides perfectly straight, the anterior angles obliquely cut, forming a tooth before the middle, the surface not visibly punctured. Elytra slightly widened towards the middle, broadly and rather obsoletely depressed below the base, the shoulders somewhat prominent; the surface very closely and distinctly punctured, reddish fulvous. IVALIA (gen. nov. Halticinorum). Body very convex, ovate. Antennse with the seven last joints transversely dilated. Thorax transverse, without grooves. Elytra irregularly punctured ; the posterior femora strongly incrassate ; posterior tibiae stout, widened behind, deeply channelled, the edges armed with several teeth, the apices with a long spine. Claws appendiculate. Prosternum narrowly elongate ; mesosternum very trans-verselyr shaped, widened at the middle. Anterior coxal cavities open. I am obliged to propose the present genus for the reception of some small species of Halticidse having the general shape and appearance of Apteropeda, but differing from that and the allied genera placed by Chapuis in his 16th group by the irregularly punctured elytra and the appendiculate claws. IVALIA VIRIDIPENNIS, sp. nov. (Plate X. fig. 12.) Reddish fulvous; terminal joints of the antennae black; elytra metallic green, finely and closely punctured, their apices very pointed. 2 (?)• Larger, more rounded, the apices of the elytra fulvous. Length |-1 line. Head impunctate, fulvous ; the frontal tubercles obsolete ; palpi long and rather slender, the apical joint piceous. Antennae black, the four lower joints testaceous, the third and fourth joints small, equal, the following transversely dilated, pubescent. Thorax nearly three times as broad as long, widened at the middle, the sides nearly straight, the angles obsolete; surface extremely finely punctured, fulvous. Elytra ovate, strongly narrowed and pointed at the apices, the surface very closely punctured. Legs fulvous; the posterior tibiae with three or four teeth at their margins. Bogawantalawa. In the specimen which I consider to be the female of this species the general shape is more robust, and the elytra have their extreme apices of a fulvous colour; the teeth at tbe tibise are not so plainly marked; but other differences of importance I cannot find. IVALIA METALLICA, sp. nov. (Plate X. fig. 11.) Black or piceous below ; the four basal joints of the antennae |