Borago officinalis attracts the aphid parasitoid Aphidius colemani (Hymenoptera: Braconidae)

Fujinuma, Masahiro; Kainoh, Yooichi; Nemoto, Hisashi

doi:10.1303/aez.2010.615

Cited by 17 publications

(11 citation statements)

References 13 publications

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“…() and described in detail by Fujinuma et al. (). The leaves were washed thoroughly with tap water to remove moth wing scales or other kairomonal sources.…”

Section: Methodsmentioning

confidence: 99%

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Herbivore egg deposition induces tea leaves to arrest the egg‐larval parasitoid Ascogaster reticulata

Deshpande

Kainoh

2012

Entomologia Exp Applicata

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Plants are able to activate direct and indirect defences against egg deposition by herbivorous insects. A known indirect defence is the production of synomones to help egg‐ and egg‐larval parasitoids to locate their hosts. The wasp Ascogaster reticulata Watanabe (Hymenoptera: Braconidae) is a solitary egg‐larval parasitoid of the moth Adoxophyes honmai Yasuda (Lepidoptera: Tortricidae), which lays eggs and feeds as caterpillars on the leaves of the tea plant Camellia sinensis (L.) Kuntze (Theaceae). Here, we studied whether or not oviposition by A. honmai induces tea plants to produce synomones that help the parasitoid to locate its host. An olfactometer bioassay suggested that synomones produced by the infested plants did not attract the parasitoid over a short range. However, a contact bioassay showed that tea leaves were induced to arrest the parasitoid 24 h after egg deposition and remained induced until the host‐egg masses were no more attractive to the parasitoids. Wing scales and deposits of adult moths and the contents of the egg masses did not induce the tea leaves to arrest the parasitoid, but the contents of the female moth's reproductive system did. Synomone induction was systemic: uninfested leaves in the vicinity of egg‐laden leaves also arrested the parasitoid.

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“…() and described in detail by Fujinuma et al. (). The leaves were washed thoroughly with tap water to remove moth wing scales or other kairomonal sources.…”

Section: Methodsmentioning

confidence: 99%

“…The design of the four-arm olfactometer (central arena: 10 9 10 cm) was modified from that of Vet et al (1983) and described in detail by Fujinuma et al (2010). The leaves were washed thoroughly with tap water to remove moth wing scales or other kairomonal sources.…”

Section: Four-arm Olfactometer Bioassaymentioning

confidence: 99%

Herbivore egg deposition induces tea leaves to arrest the egg‐larval parasitoid Ascogaster reticulata

Deshpande

Kainoh

2012

Entomologia Exp Applicata

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“…The time that parasitoids spent in each triangular area (C1, C2, T1, and T2; Figure 1B) was recorded with The Observer XT (Noldus, Wageningen, The Netherlands). Data from the central square was excluded, according to the methods of Fujinuma et al (2010).…”

Section: Four-arm Olfactometermentioning

confidence: 99%

Effects of quantitative and qualitative differences in volatiles from host‐ and non‐host‐infested maize on the attraction of the larval parasitoid Cotesia kariyai

Thanikkul

Piyasaengthong

Menezes-Netto

et al. 2017

Entomologia Exp Applicata

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Cotesia kariyai Watanabe (Hymenoptera: Braconidae) is a specialist larval parasitoid of Mythimna separata Walker (Lepidoptera: Noctuidae). Cotesia kariyai wasps use herbivore‐induced plant volatiles (HIPVs) to locate hosts. However, complex natural habitats are full of volatiles released by both herbivorous host‐ and non‐host‐infested plants at various levels of intensity. Therefore, the presence of non‐hosts may affect parasitoid decisions while foraging. Here, the host‐finding efficiency of naive C. kariyai from HIPVs influenced by host‐ and non‐host‐infested maize [Zea mays L. (Poaceae)] plants was investigated with a four‐arm olfactometer. Ostrinia furnacalis Guenée (Lepidoptera: Crambidae) was selected as a non‐host species. One unit (1 U) of host‐ or non‐host‐infested plant was prepared by infesting a potted plant with five host or seven non‐host larvae. In two‐choice bioassays, host‐infested plants fed upon by different numbers of larvae, and various units of host‐ and non‐host‐infested plants (infestation units; 1 U, 2 U, and 3 U) were arranged to examine the effects of differences in volatile quantity and quality on the olfactory responses of C. kariyai with the assumption that volatile quantity and quality changes with differences in numbers of insects and plants. Cotesia kariyai was found to perceive quantitative differences in volatiles from host‐infested plants, preferring larger quantities of volatiles from larger numbers of larvae or plants. Also, the parasitoids discriminated between healthy plants, host‐infested plants, and non‐host‐infested plants by recognising volatiles released from those plants. Cotesia kariyai showed a reduced preference for host‐induced volatiles, when larger numbers of non‐host‐infested plants were present. Therefore, quantitative and qualitative differences in volatiles from host‐ and non‐host‐infested plants appear to affect the decision of C. kariyai during host‐habitat searching in multiple tritrophic systems.

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“…The camera is placed at the downwind end, so we can record all behavioral events from the releasing site to the target. Recordings of tachinid fly (Exorista japonica) behavior were easily obtained, but the resolution of the camera was not high enough to see small insects, e.g., the braconid wasp Cotesia kariyai (Fukushima et al, 2001(Fukushima et al, , 2002Hou et al, 2005;Mandour et al, 2011) and aphid parasitoids (Takemoto et al, 2009;Fujinuma et al, 2010). To record the behavior of small insects, two cameras must be set in the tunnel, one near the releasing site and another near the target site.…”

Section: Data Recordingmentioning

confidence: 99%

Wind Tunnel: a Tool to Test the Flight Response of Insects to Semiochemicals

Kainoh¹

2011

Wind Tunnels and Experimental Fluid Dynamics Research

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Borago officinalis attracts the aphid parasitoid Aphidius colemani (Hymenoptera: Braconidae)

Cited by 17 publications

References 13 publications

Herbivore egg deposition induces tea leaves to arrest the egg‐larval parasitoid Ascogaster reticulata

Herbivore egg deposition induces tea leaves to arrest the egg‐larval parasitoid Ascogaster reticulata

Effects of quantitative and qualitative differences in volatiles from host‐ and non‐host‐infested maize on the attraction of the larval parasitoid Cotesia kariyai

Wind Tunnel: a Tool to Test the Flight Response of Insects to Semiochemicals

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