Effects of Host Plant Phenology on Oviposition Preference of<i>Crocidolomia pavonana</i>(Lepidoptera: Pyralidae)

Smyth, Rebecca R.; Hoffmann, Micesael P.; Shelton, Anthony M.

doi:10.1603/0046-225x-32.4.756

Cited by 32 publications

(42 citation statements)

References 7 publications

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“…C. pavonana females discriminate between phenological stages of cabbage since this is seen from data that show that pattern of oviposition under field condition is associated with growth stages of cabbage (Smyth et al, 2003b). For example, stage 4 plants (7-8 week old) were significantly more preferred for oviposition than stage 5 plants (9-11 week old, approximately 13-19 leaves) (Smyth et al, 2003b).…”

Section: Plant Phenologymentioning

confidence: 97%

“…Islands (Rejesus and Navasero-Ward, 2003;Karungi et al, 2010;Takeuchi et al, 2009;Smyth, 2003b;Sastrosiswojo and Setiawati, 1992). As reported by Rejesus and NavaseroWard (2003), large cabbage moth has been recognized under a range of names as cited by different authors such as: cabbage worm (Knott and Deanon, 1967), cabbage moth (Delos Reyes, 1960;Navasero, 1973), cluster caterpillar (Smith, 1943), larger cabbage moth (Fuller, 1922;Gunn 1925), cabbage caterpillar (Sison, 1927), cabbage cluster caterpillar (Makita, 1978(Makita, /1979, leafwebber (Srinivasan et al, 1988), cabbage webworm (Singh and Rawat 1983;Hashim and Ibrahim 1999), and cabbage head caterpillar (Sastrosiswojo and Setiawati, 1992).…”

Section: Biology and Ecology Of Large Cabbage Moth Crocidolomia Pavomentioning

confidence: 99%

“…Since feeding is predominantly on the apical meristem or on the young leaves (Rejesus and NavaseroWard, 2003, Takeuchi et al, 2012, Sastrosiswojo and Setiawati, 1992, immature plants can be obliterated before they develop. When cabbage plants are attacked during the head formation stage, larvae bore the head and this can result in total damage of the harvested crop (Takeuchi et al, 2012;Sastrosiswojo and Setiawati, 1992;Rejesus and Navasero-Ward, 2003;Smyth et al, 2003b).…”

Section: Biology and Ecology Of Large Cabbage Moth Crocidolomia Pavomentioning

confidence: 99%

“…Offspring of C. pavonana feeding on stage 4 developed more rapidly and survived better. This was attributed to stage 4 being a nutritionally superior host for their offspring (Smyth et al, 2003b). 8 of glucosinolates during herbivore feeding, which leads to the formation of different products such as isothiocyanates, nitriles, epithionitriles and thiocyanates ( Figure 2) (Textor and Gershenzon, 2009;Schramm et al, 2012;Baskar et al, 2012).…”

Section: Plant Phenologymentioning

confidence: 99%

“…Female moths discriminate between phenological stages of cabbage plants with younger plants preferred over older plants in the presence of other crops (Smyth et al, 2003a). That preference is correlated with younger plants as more suitable for larval survival and development (Smyth et al, 2003b). Within a plant, C. pavonana neonates move towards the upper portion of the plant and feed upon the bud; a feeding strategy that would allow them to feed while reducing exposure to natural enemies (Takeuchi et al, 2009), and provide access to higher protein concentrations and lower fibre present in younger cabbage leaves (Moreira et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Choice of feeding sites, growth and survival by Crocidolomia pavonana (F.)

Tadle¹

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The large cabbage moth, Crocidolomia pavonana (F.) (Lepidoptera: Crambidae), is one of the most significant pests of Brassica crops and has re-emerged as a serious pest of crucifer crops in tropical and sub-tropical Asia because of the control used against the diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae). The damage caused by this pest can be significant because larvae devour young tissues of the plant at different stages and bore into the centre of the cabbage head at maturity and can damage the whole cabbage plant. Despite its economic importance the interaction of this pest with its host plant is not well understood.The current study showed that larval feeding by C. pavonana was influenced by the presence of cabbage in artificial diet, in laboratory bioassays. Of the four diets developed and tested, neonates survived and completed developmental stages (81%) on diet containing cabbage (Brassica oleracea cv sugarloaf) more so than on base diet (diet without cabbage), diet containing wheat grass or spinach powder. Neonates were able to locate diet with cabbage powder but not when cabbage was absent (i.e. base diet).Similarly, in an olfactometer test, neonates were strongly attracted to the odour of diet with cabbage compared with diet without cabbage. More than twice the number of feeding events was observed on filter paper disks impregnated with diet containing cabbage powder than on paper disks with base diet. The behavioural responses of neonates to diet with cabbage are linked to the glucosinolates present on cabbage plants. Sinigrin elicited feeding when added to diet without cabbage and also when applied to a non-host plant, Gossypium hirsutum (Sicot 71RRF). Neonates' response to allyl isothiocyanate in a twoarm olfactometer was stronger than to sinigrin, which would explain larval attraction to damaged cabbage plants. These results indicate that sinigrin and allyl isothiocyanate provide important feeding and olfactory cues for C. pavonana larvae.Larval feeding and moth oviposition behaviour of C. pavonana was further studied using whole cabbage plants of two different ages (6 and 8-leaf stage) and this was compared to the response of a well-studied crucifer specialist, P. xylostella. Plant age did not significantly affect oviposition and feeding preference by C. pavonana whereas P. xylostella preferred younger plants for oviposition and larval feeding. The intra-plant distribution of eggs and feeding sites was similar for both species, but egg distribution showed a pattern different from feeding sites. Neonates that hatched from eggs deposited ii on lower leaves moved towards the apical portion of the plant and established a majority of feeding sites on younger leaves. Preference for younger leaves was also observed on excised leaves, indicating architectural position was not the factor driving choice. Younger leaves are known to have a higher concentration of nitrogen content and proteins suitable for larval development, whereas lower leaves are considered not palatable b...

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Section: Plant Phenologymentioning

confidence: 97%

Section: Biology and Ecology Of Large Cabbage Moth Crocidolomia Pavomentioning

confidence: 99%

Section: Biology and Ecology Of Large Cabbage Moth Crocidolomia Pavomentioning

confidence: 99%

Section: Plant Phenologymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Choice of feeding sites, growth and survival by Crocidolomia pavonana (F.)

Tadle¹

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Temporal dynamics of the arthropod community in pear orchards intercropped with aromatic plants

Song

Zhang

Jinghui

et al. 2011

Pest Management Science

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Field efficacy of deltamethrin in reducing damage caused by Thrips tabaci Lindeman (Thysanoptera: Thripidae) on early white cabbage

2007

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Our research assessed how the number of sprayings with deltamethrin inXuenced the eYciency against onion thrips, Thrips tabaci, on early white cabbage. The study was performed in 2002 and 2005 using the early white cabbage cultivar Parel, which is very susceptible to the attack of onion thrips. The cabbages were planted in a block-design experiment, with percentage of damage on the exterior leaves recorded according to the positions of the leaves (i.e. outer to inner). Although the attack of thrips was much greater in 2002 than in 2005, nevertheless, control plants in both years showed much more damage than plants with at least one insecticide spraying. In 2002, there was little diVerence between one and two sprayings, but three sprayings showed a signiWcantly improved result. However, three sprayings of this insecticide is generally not permitted in farming practice. In 2005, no diVerences in eYcacy among one, two and three sprayings were recorded. We also assessed a high threshold (up to 10% damaged leaf surface) and low threshold (up to 1% damaged leaf surface) for the removal of damaged leaves. In 2002, both thresholds were exceeded for control plants, but in 2005, the attack of thrips was mild enough that neither threshold was exceeded. In this case, one spraying was suYcient to reduce leaf damage below the higher (more tolerant) threshold, but three sprayings were needed to reduce leaf damage below the lower (more stringent) threshold. Therefore, in Slovenia or other parts of the world with similar climatic conditions, we recommend one spraying as broadly eVective and recommend the more tolerant threshold for leaf removal.

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Effects of Host Plant Phenology on Oviposition Preference ofCrocidolomia pavonana(Lepidoptera: Pyralidae)

Cited by 32 publications

References 7 publications

Choice of feeding sites, growth and survival by Crocidolomia pavonana (F.)

Choice of feeding sites, growth and survival by Crocidolomia pavonana (F.)

Temporal dynamics of the arthropod community in pear orchards intercropped with aromatic plants

Field efficacy of deltamethrin in reducing damage caused by Thrips tabaci Lindeman (Thysanoptera: Thripidae) on early white cabbage

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