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Title	Discrimination methods for Japanese pest species of Spodoptera Guenée (Lepidoptera: Noctuidae) lured by traps using a synthetic sex pheromone for Spodoptera exempta.

Book/Journal	Japanese Journal of Applied Entomology and Zoology

Author	Daisuke Watabiki Shin-ichi Yoshimatsu Hiraku Yoshitake Yuki Baba Takumi Uesato Masayuki Shimatani Hiroshi Ibusuki Tatsuya Yuda

Edition		Volume	57	Number	(1)	Page	19-26

Publisher	The Japanese Society of Applied Entomology & Zoology
Publisher	The Japanese Society of Applied Entomology & Zoology

Year	2013	Month

ISBN		ISSN	0021-4914

URL	( http://odokon.org/ )

Remarks	The genus Spodoptera Guenée mainly distributed from tropical to subtropical regions throughout the world includes many pests of food crops, vegetables, forage crops and grasses. The African armyworm, Spodoptera exempta (Walker) has been known from Africa, South East Asia, parts of Australia to some Pacific islands as a pest of crops or pasture, however, no damage by this pest had been reported from Japan before 2010. From Japan, only five adult specimens had been collected before 2010. These specimens probably flew from the tropical region of Asia to Japan because S. exempta is a well known migratory pest in Africa. Severe damage of forage crops and grasses by this species was recognized for the first time from Japan at Nansei Islands in 2010. Therefore, survey using a synthetic sex pheromone for S. exempta was conducted by the Okinawa Prefectural Plant Protection Center and the Kagoshima Prefectural Institute for Agricultural Development. As a result, several species of Spodoptera were collected by the pheromone trap for S. exempta including S. exempta. We made a key to distinguish all eight Japanese species of Spodoptera mainly using male genitalia. Furthermore, we were able to distinguish six Japanese Spodoptera pest species using standard DNA barcoding.

Remarks

The genus Spodoptera Guenée mainly distributed from tropical to subtropical regions throughout the world includes many pests of food crops, vegetables, forage crops and grasses. The African armyworm, Spodoptera exempta (Walker) has been known from Africa, South East Asia, parts of Australia to some Pacific islands as a pest of crops or pasture, however, no damage by this pest had been reported from Japan before 2010. From Japan, only five adult specimens had been collected before 2010. These specimens probably flew from the tropical region of Asia to Japan because S. exempta is a well known migratory pest in Africa. Severe damage of forage crops and grasses by this species was recognized for the first time from Japan at Nansei Islands in 2010. Therefore, survey using a synthetic sex pheromone for S. exempta was conducted by the Okinawa Prefectural Plant Protection Center and the Kagoshima Prefectural Institute for Agricultural Development. As a result, several species of Spodoptera were collected by the pheromone trap for S. exempta including S. exempta. We made a key to distinguish all eight Japanese species of Spodoptera mainly using male genitalia. Furthermore, we were able to distinguish six Japanese Spodoptera pest species using standard DNA barcoding.