- 著者
- Kagawa Yoshitake Maeto Kaoru
- 出版者
- 日本応用動物昆虫学会
- 雑誌
- Applied entomology and zoology (ISSN:00036862)
- 巻号頁・発行日
- vol.42, no.1, pp.49-53, 2007-02-25
- 被引用文献数
- 2 4
We investigated the predatory ability of Carabus yaconinus (Coleoptera: Carabidae) on larvae of Spodoptera litura (Lepidoptera: Noctuidae) in the laboratory. A C. yaconinus adult preyed on ca. 90 S. litura larvae at the second-instar stage during 24 h. The number of larvae killed in 24 h decreased to ca. 40, 30 and 20 at third-, fourth- and fifth-instar stages, respectively. The wet weight of S. litura larvae killed by a C. yaconinus in 24 h increased with the larval stages of S. litura, and was highest for the fifth-instar stage. C. yaconinus adults occasionally left the predation unfinished and bit another live prey. The proportion of half-eaten prey varied with the larval stage of the prey. C. yaconinus can efficiently kill large numbers of S. litura larvae; thus, it may play an important role as a natural enemy of lepidopteran pests in agricultural fields.
- 著者
- MAETO Kaoru
- 出版者
- 日本昆虫学会
- 雑誌
- 昆蟲 (ISSN:09155805)
- 巻号頁・発行日
- vol.59, no.2, pp.295-313, 1991-06-25
- 被引用文献数
- 2
Six braconid species are dealt with as parasitoids of the gall-making Cecidomyiidae in Japan. All of them, Bracon asphondyliae (WATANABE), comb. nov. (=Ipobracon scurra FISCHER, syn. nov.), B. sunosei sp. nov., B. tamabae sp. nov. (=Ipobracon scurra auct. partim), Simplicibracon curticaudis sp. nov., Testudobracon longicaudis sp. nov., and T. pleuralis (ASHMEAD), comb. nov., belong to the tribe Braconini of the subfamily Braconinae. They are all described and keyed. B. tamabae and B. curticaudis parasitize the leaf gall midges on broad-leaved evergreen trees, while the others parasitize the fruit, pod or flower gall midges on various Dicotyledoneae.