natural, history

Tychiodes rcnnclli n. sp.(PI. 15, Fig. 3)J':j:. Derm red-brown to piceous. entirely bare above. and with sparse short subrecumbentsetae on the middle of the sternum and venter.Head with comparatively strong sparse punctures, with a small median fovea, thefrons much broader than the base of the rostrum; the eyes hardly projecting beyondthe temples. Rostrum about as long as the pronotum. curved. cylindrical, but distinctlynarrowed at the base; shiny, with sparse minute punctures; that of the ~ veryslightly longer and more slender than that of the J. Antennae inserted at one-fifthfrom the base of the rostrum in both sexes; the scape short, strongly curved, thefunicle S-jointed with the two basal joints subequal. Prothorax subtrapezoidal.widest near the base and rapidly narrowing with a slight curve to the very narrowand feeble apical constriction, the basal angles broadly rounded, the basal marginarcuate and much broader than the truncate apex (3: 2); the dorsum somewhatflattened in the middle of the disk. with strong punctures that vary somewhat indensity and with a shallow variable depression in the middle of the base. Elylraelongate, about as wide al the shoulders as the prothorax, narrowing very slightlyfrom there to the middle and more rapidly behind, separately rounded at the apexand there slightly explanate, the base truncate; the striae narrow and rather deep,with fine catenulate punctures and becoming rather broader and deeper on thedeclivity; stria 6 reaching the base within the shoulder; the intervals much broaderthan the striae, slightly convex, smooth. with a sparse row of microscopic punctures.Length 2.0-2.7 mm.Te-Uhungango, 25 J, 24 C(, XI. 1953 (Brit. Exp.).Holotype in the British Museum.Nearly allied to T. Jansoni Woll. (1874) which is however a much larger insect(4-5 mm.) and differs inter alia in having the frons only as wide as the base of therostrum, th~ prothorax is not constricted at the apex, and stria 6 on the elytra doesnot reach the base but ends behind the shoulder.The genus is known only from Japan and the Philippines.SUBFAMILY CALANORINAEDiathetes morio PascoHutuna, 1 3, X. 1953 (Brit. Exp.).Occurs also in New Guinea and Queensland.Diathete!> sannio Pasco var.Hutuna, I J, XI. 1953 (Brit. Exp.).Known from New Guine_a and the Aru Is.Diocalandra taitensis Guer.Hutuna, I d, I Cfl, XI. 1953 (Brit. Exp.).Widely distributed in the Pacific area, attacking coconuts.126(