Seasonal Changes in Adult Density and Female Mating Status of the Rice Leaf Roller Cnaphalocrocis medinalis Guenee (Lepidoptera: Pyralidae) in Paddy Fields of Southern Kyushu, Japan.

Inoue, Hideaki; Kamiwada, Hidemi; Fukamachi, Saburo

doi:10.1303/jjaez.2004.177

Cited by 13 publications

(8 citation statements)

References 9 publications

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“…In the Noctuidae, a taxonomic group characterized by obligatory migrations, the apparently low mating success of late emerging females is likely not related to variation in sex ratio but rather to temporal patterns of migration events (Figure 1C; Proshold, 1991; Gerber & Walkof, 1992; Coombs et al., 1993; Torres‐Vila & McNeil, 2001; Inoue et al., 2004). The process of migration typically involves long‐range dispersal by sexually immature females, followed by ovarian development and mating at the end of the migration (Zhao et al., 2009).…”

Section: A Priori Hypotheses Derived From Theoretical Studiesmentioning

confidence: 99%

Female mating failures in insects

Rhainds¹

2010

Entomologia Exp Applicata

143

175

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Empirical and experimental studies reporting the probability that some females remain unmated in field populations of insects (defined herein as mating failures) are reviewed in more than 100 species. The techniques used to quantify mating failures in the field are summarized, as well as factors that influence the probability that females mate during their lifetime. The existing empirical data provide partial support for hypotheses generated by theoretical models, although the trends observed in field populations are far more diverse and complex than predictions derived from ecological theory, e.g., the effect of population density on female mating success at small and large spatial scales is opposite. Mating success of females increases with the ratio of males in the population, but the relation between emergence time, sex ratio, and female mating success is variable. Females have evolved a broad range of physiological and behavioural adaptations to reduce mating failures, and exhibit a flexible context‐dependent response to constraints limiting mating success. The large number of studies in Lepidoptera suggests a higher mating success in butterflies than moths. Examples of high rates of mating failure include species with gynogenous reproduction, long range migration, pre‐reproductive maturation, male‐biased sex ratio, acquisition of resources essential for reproduction, and female flightlessness. Species with sessile females that mate and oviposit near their emergence site provide model systems to investigate the causes and demographic consequences of female mating failure.

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Section: A Priori Hypotheses Derived From Theoretical Studiesmentioning

confidence: 99%

Female mating failures in insects

Rhainds¹

2010

Entomologia Exp Applicata

143

175

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“…It has recently become widespread throughout the major rice-growing regions of Asia and is one of the most damaging pests of rice (Poaceae: Oryza spp.) ( Sogawa and Kiyota 1995 ; Inoue et al 2004 ). The larvae damage plants by folding the leaves and scraping the green leaf tissues within the fold, causing yield loss by reducing photosynthetic activity ( Nathan et al 2004 ).…”

Section: Introductionmentioning

confidence: 99%

Electrophysiological responses of the rice leaffolder, Cnaphalocrocis medinalis, to rice plant volatiles

Sun

Liu

Zhang

et al. 2014

Journal of Insect Science

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The rice leaffolder, Cnaphalocrocis medinalis Guenée (Lepidoptera: Pyralidae), is one of the most destructive pests of rice. Electrophysiological responses of this species to 38 synthetic volatiles known to be released from rice plants (Poaceae: Oryza spp.) were studied using the electroantennogram (EAG) method. Compounds that elicited the strongest EAG responses for each physiological condition were selected for EAG dose-response tests at five concentrations. These compounds included: methyl salicylate, heptanol, linalool, cyclohexanol, and 2-heptanone for one-day-old male moths; heptanol, hexanal, (Z)-2-hexen-1-ol, and nonadecane for one-day- old females; methyl salicylate, heptanol, (E)-2-hexen-1-ol, and (Z)-2-hexen-1-ol for three-day- old males; linalool, heptanol, (E)-2-hexen-1-ol, 2-heptanone, and hexanal for three-day-old females; 2-heptanone, cyclohexanol, linalool, heptanol, and methyl salicylate for five-day-old virgin females; and methyl benzoate, (Z)-2-hexen-1-ol, heptanol, linalool, and hexanal for five- day-old mated females. Female and male C. medinalis exhibited broad overlap in their EAG responses, and there was no clear difference between male and female EAG responses to different compounds. Statistical analyses revealed that both volatile compound chemical structure and C. medinalis physiological condition (age, sex, and mating condition) had an effect on EAG response.

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“…3), suggesting that the densities of moths sapping honeydew rapidly increased after sunset. The dominant moth species, which are important pests of poaceous crops in east Asia, are not known to occur in the study area and are instead considered immigrants from more southern areas such as China (Inoue et al 1982(Inoue et al , 2004Yoshimatsu 1991). The army worm, M. separata (Walker), migrates seasonally between southern and northern China (reviewed by Showers 1997).…”

Section: Resultsmentioning

confidence: 99%

Migratory moths as dispersal vectors of an introduced plant-pathogenic fungus in Japan

Sugiura

Yamazaki

2006

Biol Invasions

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The plant-pathogenic fungus Claviceps paspali infects florets of the dallisgrass Paspalum dilatatum and induces the plant to produce honeydew (containing massive amounts of conidia), which in turn attracts insects for dispersal of the fungal spores. In Japan, the association between C. paspali and its host plant is common, although both P. dilatatum and C. paspali are introduced species. To determine the dispersal agents of the introduced C. paspali, we examined which insects sapped the P. dilatatum honeydew produced by C. paspali. The study was conducted from September to October 2003 in central Japan. Adults of 48 moth species and two lacewing species visited infected spikelets of P. dilatatum and sapped the honeydew at night. The dominant moths, which carried C. paspali conidia on their proboscises, migrate long distances every year. Therefore, migratory moths may transmit C. paspali spores from diseased to healthy host plants and may have spread C. paspali to other areas in Japan where C. paspali did not previously exist.

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Seasonal Changes in Adult Density and Female Mating Status of the Rice Leaf Roller Cnaphalocrocis medinalis Guenee (Lepidoptera: Pyralidae) in Paddy Fields of Southern Kyushu, Japan.

Cited by 13 publications

References 9 publications

Female mating failures in insects

Female mating failures in insects

Electrophysiological responses of the rice leaffolder, Cnaphalocrocis medinalis, to rice plant volatiles

Migratory moths as dispersal vectors of an introduced plant-pathogenic fungus in Japan

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