Lepidoptera Science

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Through the courtesy of Dr. S. ISSIKI, I had an opportunity to study his collection of Pterophoridae from Japan, Formosa and Hainan. The material treated in this paper was collected by Dr. S. ISSIKI in Japan between 1949 and 1952, in Formosa between 1932 and 1946 and in Hainan in 1942. The study of the Formosan Pterophoridae has not been worked well though the fauna in this family of Formosa is supposed to be rich. Up to the present, 22 species have been known from Formosa and no species has been known from Hainan so far as I ascertained. The present material which is in good condition, in consequence, is valuable for the study of the fauna of Formosa. The present material consists of 44 specimens belonging to 18 species of 11 genera. I examined Here 9 species from Japan, 14 species from Formosa and 1 species from Hainan. Four species are recorded here for the first time from Shikoku, Japan, 7 species from Formosa and 1 from Hainan respectively. I would like to express my hearty gratitude to Prof. K. YASUMATSU and Prof. Y. HIRASHIMA for their constant guidance and encouragement. I am much indebted to Dr. S. ISSIKI for his kindness in giving me the opportunity to study his valuable collection of Pterophoridae and his useful suggestion for my study.

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1. I have recorded in this paper 22 species belonging in 4 families collected from the northern part of the Japan Alps since the previous reports, further I have examined the morphological proportion of the males with both species Actias selene gnoma and Actias artemis aliena collected in the same area. The results of examination are showing Fig 2 and Table 1. 2. The life history of Lithophane rosinae PUNGELER; the biological observations with the larval stages of this moth were carried out from the spring in 1963 to the autumn in 1964 in Omachi-city by the outdoor rearing on Prunus. The life cycle is showing Table 4. The female moths layed eggs at random on the trunk of the food plant, hatching in spring. The larval duration is about 40 days, the grown larva makes the cocoon with fallen leaves or into the ground 2-3 cm, depths and estivate in it on the pre-pupa stage about 2 months in summer. Emergence in autumn and hibernate as it is.

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In this part and the following ones we will treat the subfamily Hesperiinae, to which the most of our hesperiid materials belong. Southeast Asian Hesperiinae was divided into many generic groups by EVANS (1949) based upon the wing venation, shape and relative length of antennae, shape of palpi, and the structure of legs. On the arrangement of the genera, we will mainly follow EVANS' system.

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