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Title	A new species of Bracon (Hymenoptera: Braconidae) parasitic on alien sweetpotato weevils in the south-west islands of Japan.

Book/Journal	Entomological Science

Author	Kaoru Maeto Takumi Uesato

Edition		Volume	10	Number		Page	55-63

Publisher	The Entomological Society of Japan
Publisher	The Entomological Society of Japan

Year	2006	Month

ISBN		ISSN	1479-8298

URL

Remarks	A new species of braconid, Bracon yasudai Maeto et Uesato sp. nov., is described here from the south-west islands of Japan. It is a solitary idiobiont ectoparasitoid of the larvae of the West Indian sweetpotato weevil, Euscepes postfasciatus (Curculionidae), and the sweetpotato weevil, Cylas formicarius (Brentidae), both feeding on Ipomoea batatas (L.) (Convolvulaceae). The percentage parasitism of the braconid on E. postfasciatus in the vines of I. batatas was 19.9–40.7% in the field. Bracon cylasovorus (Rohwer) reared from C. formicarius in the Philippines is also described.

Remarks

A new species of braconid, Bracon yasudai Maeto et Uesato sp. nov., is described here from the south-west islands of Japan. It is a solitary idiobiont ectoparasitoid of the larvae of the West Indian sweetpotato weevil, Euscepes postfasciatus (Curculionidae), and the sweetpotato weevil, Cylas formicarius (Brentidae), both feeding on Ipomoea batatas (L.) (Convolvulaceae). The percentage parasitism of the braconid on E. postfasciatus in the vines of I. batatas was 19.9–40.7% in the field. Bracon cylasovorus (Rohwer) reared from C. formicarius in the Philippines is also described.

Taxon	Bracon yasudai Maeto & Uesato, 2007

Voucher specimen(s)	HYM-213