• Korean journal of applied entomology
• /
• v.38 no.1
• /
• pp.11-13
• /
• 1999

Coleophora obducta Meyrick, which has been excluded in the list of Korean Coleophoridae is discovered for the first time from Korea based on the specimens preserved in the Center for Insect Systematics and Forestry Research Institute. The external and genital characteristics of the species is briefly redescribed with available informations.

• Korean journal of applied entomology
• /
• v.42 no.2
• /
• pp.169-171
• /
• 2003

The life history and natural enemies of Coleophora obducia Meyrick which is a defoliating pest of Larix leptolepis were studied mainly in Chungchongbuk Province. Larix leptoiepis was the only host plant of this pest. Coleophora obducia had one generation per you and the adults emerged from mid May to late May with a peak emergence around May 14th. The mean number of eggs in an ovary was 44.5 and most females oviposited one egg on each needle. The duration of the egg stage was about two weeks. Larvae passed the winter in a pouch made by spinning the needles. Pupation began in the late April, and the pupal period was two weeks on average. The natural enemies observed were parasitoids and predators.