Title : Postage Stamps of Butterfly Series (3rd Issue)
Stamp Serial#
 1021 
KPC#
 C-698 
MICHEL#
 1047 
StanGib#
 1247 
Scott#
 1008 
Date of Issue
 06/20/1976 
Quantity
 4,000,000 
Denomination
 20 won 
Design
 Colias erate Esper 
Designer
 Chun, Hee Han 
Image Area
 36mm×26mm 
Perforation
 13 
Sheet Composition
 5×4 
Paper
 White unwatermarked
Print
 Government Printing & Mint Agency of the Republic of Koera 
Description
As a theme of the third series of postage stamps depicting butterflies, the Ministry of Communications has chosen Colias erate Esper and Byasa alcinous Klug.

1. Colias erate Esper:
Belonging to the Pieridae family, the female butterflies are yellow or white while the male butterflies are always yellow. Easily found everywhere, on the mountains and in the fields, these butterflies are seen from spring through autunm. They fly comparatively fast in irregular directions. A larva of this insect lives on the leaves of Indigofera Pseudo-tinctoria. They are distributed in such areas as Korea, China, Japan and Siberia.

2. Byasa alcinous Klug:
Belonging to the Papilionidae family, they have black wings only the female has five deep-yellowish area spots on the out-side and seven spots on inside of her hind wings. These spots are also found on its abdomen. They are found chiefly on mountain areas from early May through September. They breed twice a year and the larva lives on leaves of Hocquartia Manchuriansis. This insent spends winter in a pupa state. They are distributed in such areas as Korea, Manchuria, China and Japan.