Publications by authors named "Yositaka Sakamaki"

Six Japanese species of the genus Lecithocera Herrich-Schffer, 1853 (Gelechioidea: Lecithoceridae) are treated: L. chersitis Meyrick, 1918; L. daebuensis Park Lee, 1999; L.

View Article and Find Full Text PDF

Two new species of the cockroach genus Hebard, 1929 from the Nansei Islands in Southwest Japan were compared to two closely related congeners, Asahina, 1971 and (Walker, 1868). Yanagisawa, Sakamaki, and Shimano sp. nov.

View Article and Find Full Text PDF

A part of Japanese species of the genus Meyrick, 1886 are reviewed. Three species described by Omelko (1984) in the genus Meyrick, 1918 are placed in combination with ; , and These species are redescribed, and two new species, Kyaw, Yagi & Hirowatari, and Kyaw, Yagi & Hirowatari, are described based on external morphological characters of adults and genitalia of males and females. (Park, 2016), described in from Korea, is newly recorded in Japan feeding on (Euphorbiaceae).

View Article and Find Full Text PDF

The systematic status of Gelechia acanthopis Meyrick, 1932 is reviewed. The general and functional morphology of the male genitalia merits a new genus in Pexicopiini, Sitotrogoides gen. nov.

View Article and Find Full Text PDF

Since spiders are sensitive to pesticides, the use of lower-volume pesticide sprays that specifically target the plucking surface may help to preserve their assemblages. In this study, we investigated the effect of four pyrethroid pesticides on spider populations in tea (Camellia sinensis) fields when applied using a lower-volume sprayer. Abundance and composition at family level of spiders were assessed before and after treatments.

View Article and Find Full Text PDF

In butterflies and moths, the wing margins are fringed with specialized scales that are typically longer than common scales. In the hindwings of some small moths, the posterior margins are fringed with particularly long filamentary scales. Despite the small size of these moth wings, these scales are much longer than those of large moths and butterflies.

View Article and Find Full Text PDF

The main goal of this study was to identify the treatment that increases the populations of spiders, which are effective predators in agroecosystems. In 2013 and 2014 the experimental eggplant (Solanum melongena L.) field was two different treatments, organic fertilizers and chemical fertilizer treatment, and in 2014 we surrounded organic fertilizer plots with the flowering plants mealy cup sage (Salvia farinacea Benth.

View Article and Find Full Text PDF