Insect antifeeding substances contained in plant leaves were widely surveyed by monitoring with 'leaf-disc test'. Larvae of tobacco cutworm, Spodoptera litura F., were mainly the test insects and leaves of sweet potato, Ipomoea batatas Lamark var. edulis Makino, the insect baits. Leaves of Cocculus trilobus DC, Parabenzoin trilobum Nakai (= Lindera triloba Blume), Orixa japonica Thunberg, Clero...

Among older patients we regularly find those who complain of a hazy tinnitus in combination with vertigo, giddiness, and dizziness. They also report a reduced state of alertness. Objectively, these patients exhibit an increase in latencies of experimentally evoked vestibular nystagmus and of auditory brainstem-evoked potentials. This group of patients is affected by the disorder known as slow-b...

Platyplastinx Enderlein, with eight previously described species, is currently known to occur in the southeastern United States, Costa Rica, Ecuador and Brazil. Four new species from Brazil are described: Platyplastinx amazonensis sp. nov., P. duckhousei sp. nov., P. exiguus sp. nov. and P. hirsutus sp. nov. Platyplastinx obscurus (Bravo, Lago & Castro, 2004) comb. n. is transferred from Alepia...

The male and immature stages of Pseudocheylus americanus (Ewing, 1909) (Pseudocheylidae) are described and illustrated for the first time and the female is re-illustrated. The description of Pseudobonzia reticulata (Heryford, 1965) (Cunaxidae) is modified to include the presence of dorsal setae f2, which were not reported in the original description. In addition, Bonzia yunkeri Smiley, 1992 and...