Tarsal contact chemoreceptors of the black swallowtail butterfly Papilio polyxenes: responses to phytochemicals from host‐ and non‐host plants

Roessingh, Peter; Städler, Erich; Schöni, Reto; Feeny, Paul

doi:10.1111/j.1365-3032.1991.tb00588.x

Cited by 53 publications

(25 citation statements)

References 37 publications

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“…It is clear from our results that plant host recognition of pigeonpea by larvae of H. armigera is not attributable to any of the individual phenolic compounds isolated in this study. Synergism between two or more compounds can determine host selection by gravid female Lepidoptera (Feeny et al, 1988;Roessingh et al, 1991;Carter et al, 1998). Thus, the interactions between phenolic and/or other compounds could similarly affect the feeding of larvae of H. armigera on pigeonpea.…”

Section: Discussionmentioning

confidence: 99%

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Stevenson

Simmonds

et al. 2003

Journal of Chemical Ecology

102

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Abstract-A methanol extract of the pod surfaces of Cajanus cajan, a feeding stimulant for fifth-instar Helicoverpa armigera, was shown to contain four main phenolic compounds. Three of these were identified as isoquercitrin, quercetin, and quercetin-3-methyl ether, by comparing UV spectra and HPLC retention times with authentic standards. The fourth compound was isolated by semipreparative HPLC and determined to be 3-hydroxy-4-prenyl-5-methoxystilbene-2-carboxylic acid (stilbene) by NMR spectroscopy and mass spectrometry. Quercetin, isoquercitrin, and quercetin-3-methyl did not affect the selection-behavior of fifth-instar H. armigera. However, larvae were deterred from feeding on glass-fiber disks impregnated with the stilbene. Furthermore, larvae exposed to quercetin-3-methyl ether consumed significant amounts of both disks. In a binary-choice bioassay, a combination of quercetin-3-methyl ether and the stilbene on one disk and pure quercetin-3-methyl ether on the other disk resulted in increased consumption of both glass-fiber disks by larvae. In contrast, consumption was reduced if the combination was presented to larvae on one disk with purified stilbene on the other disk. Cajanus cajan cultivars that varied in their susceptibility to H. armigera were surveyed for the presence of the four phenolic compounds. An absence of quercetin and higher concentrations of isoquercitrin than the cultivated variety characterized pod surface extracts of pod-borer-resistant cultivars. In addition, the ratio of the stilbene to quercetin-3-methyl ether was greater in the pod-borer-resistant cultivars. These findings * To whom correspondence should be addressed. E-mail. p.stevenson@kew.org

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Section: Discussionmentioning

confidence: 99%

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Green

Stevenson

Simmonds

et al. 2003

Journal of Chemical Ecology

102

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“…Morita et al (1957) recorded the electrophysiological response to sugars from the tarsal sensilla of Vanessa indica. Since that time, many studies have reported the responses of tarsal contact chemosensilla of butterflies to both feeding and oviposition stimuli (Takeda 1961;Fox 1966;Ma and Schoonhoven 1973;Calvert 1974;Ichinose and Honda 1978;Calvert and Hanson 1983;Kusumi and Shibuya 1989;Roessingh et al 1991;Du et al 1995;Niki and Kanzaki 1995;Städler et al 1995;Baur et al 1998;Tsuchihara et al 2000).…”

Section: Introductionmentioning

confidence: 99%

Sugar receptor response of the food-canal taste sensilla in a nectar-feeding swallowtail butterfly, Papilio xuthus

Inoue

Asaoka

Seta³

et al. 2008

Naturwissenschaften

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The feeding behavior in nectar-feeding insects is triggered by a sugar-receptor response in contact chemosensilla. The contact chemosensilla are distributed not only on tarsi and the outside of the proboscis but also on the inside of the food canal in Lepidoptera. Although the chemosensilla inside the food canal are assumed to detect sweet taste during the passage of nectar through the food canal, their electrophysiological function has received little attention. In the nectar-feeding Asian swallowtail butterfly, Papilio xuthus (Lepidoptera: Papilionidae), we found 15-to 30-μm-long sensilla neatly lined up along the inside galea wall, which forms the food canal in the proboscis. The receptor neurons of these sensilla responded to sucrose. We hypothesized that starch and sucrose compete with each other for a taste receptor site on the sensilla. When we added starch and sucrose to the food-canal sensilla, the electrophysiological responses of food-canal sensilla were inhibited in parallel with the food-sucking behavior of the butterflies. These results suggest that the food-canal sensilla are involved in the behavioral control of nectar-sucking in this butterfly species.

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“…obs.). Electrophysiological investigations have shown that lepidopteran species commonly use sensillae located on the tarsi for chemoreception (Blaney & Simmonds, 1990;Roessingh et al, 1991) and that these cues are often important in oviposition choice (Stanton, 1979;Wiklund, 1982;Papaj, 1986).…”

Section: Oviposition Experimentsmentioning

confidence: 99%

Lack of evidence for reproductive isolation among ecologically specialised lycaenid butterflies

Nice

Fordyce

Shapiro

et al. 2002

Ecological Entomology

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Abstract. 1. The evolution of reproductive isolation between recently diverged or incipient species is a critical component of speciation and a major focus of speciation models. In phytophagous insects, host plant fidelity (the habit of mating and ovipositing on a single host species) can contribute to assortative mating and reproductive isolation between populations adapting to alternative hosts. The potential role of host plant fidelity in the evolution of reproductive isolation was examined in a pair of North American blue butterfly species, Lycaeides idas and L. melissa.2. These species are morphologically distinct and populations of each species utilise different host plants; however they share 410 bp haplotypes of the mitochondrial cytochrome oxidase subunit I (COI) gene, indicating recent divergence.3. Some populations using native hosts exhibited strong fidelity for their natal host plant over the hosts used by nearby populations. Because these butterflies mate on or near the host plant, the development of strong host fidelity may create reproductive isolation among populations on different hosts and restrict gene flow.4. Tests of population differentiation using allozyme allele frequency data did not provide convincing evidence of restricted gene flow among populations. Based on morphological differences, observed ecological specialisation, and the sharing of genetic markers, these butterflies appear to be undergoing adaptive radiation driven at least partially by host shifts. Neutral genetic markers may fail to detect the effects of very recent host shifts in these populations due to gene flow and/or the recency of divergence and shared ancestral polymorphism.

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Tarsal contact chemoreceptors of the black swallowtail butterfly Papilio polyxenes: responses to phytochemicals from host‐ and non‐host plants

Cited by 53 publications

References 37 publications

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Sugar receptor response of the food-canal taste sensilla in a nectar-feeding swallowtail butterfly, Papilio xuthus

Lack of evidence for reproductive isolation among ecologically specialised lycaenid butterflies

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