Applied Entomology and Zoology (2011) 46, 565-571

Kazushi Hanyu, Ryoko T. Ichiki, Satoshi Nakamura and Yooichi Kainoh (2011)
Behavior of the tachinid parasitoid Exorista japonica (Diptera: Tachinidae) on herbivore-infested plants
Applied Entomology and Zoology 46 (4), 565-571
Abstract: Odors from corn plants infested with the larvae of the noctuid herbivore Mythimna separata (Walker) attract tachinid fly, Exorista japonica Townsend, females; and odors from corn plants artificially damaged also attract this fly. We investigated the responses of flies to herbivore-infested, artificially damaged, and undamaged plants before and after arrival at the target plants to measure timing of the behavioral sequence. The behavior of the flies for 10 min after takeoff from a release point was observed in a wind-tunnel bioassay. The percentage of flies attracted to the plants was higher in infested and artificially damaged plants than in undamaged plants. Latency before takeoff was longer in undamaged plants, and time from takeoff to arrival at the plant was also longer in undamaged plants. Moreover, flies stayed longer on infested and artificially damaged plants. Flies walked longer on infested plants than on artificially damaged and undamaged plants. In this paper, we summarize the behavioral data and discuss the host-searching behavior of E. japonica females.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Yooichi Kainoh, Satoshi Nakamura, Ryoko Ichiki

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
general biology - morphology - evolution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Hyphantria cunea		Japan
	Mythimna separata		Japan
Exorista japonica (parasitoid)	Hyphantria cunea		Japan
Exorista japonica (parasitoid)	Mythimna separata	Maize/corn (Zea mays)	Japan