Life History and Development

Nedvěd, Oldřich; Honěk, Alois

doi:10.1002/9781118223208.ch3

Cited by 66 publications

(73 citation statements)

References 248 publications

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“…The progress of senescence was faster after longer storage, but in the June sample, even the initial fecundity was decreased and remained at that level for three months. Both the average and maximum number of eggs (daily and lifetime production) laid by females of H. axyridis are among the highest reported for ladybirds (Nedvěd and Honěk 2012) and thus justify the use of this species in biocontrol of aphids worldwide although the resulting invasion of this alien species has also deleterious consequences for biodiversity (Roy et al 2012).…”

Section: Fecunditymentioning

confidence: 99%

“…The life cycle of ladybird beetles (Coleoptera: Coccinellidae) in temperate regions includes one or more generations of development from egg to adult during spring and summer (Nedvěd and Honěk 2012) and adult diapause during winter. This adaptive state has two main functions: (1) to synchronize the occurrence of feeding stages with favourable seasons by preventing reproduction, (2) to increase the chance of survival during the harsh season by lowering metabolic rate, and accumulating energetic reserves and substances increasing cold hardiness (Hodek 2012).…”

Section: Introductionmentioning

confidence: 99%

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Fecundity and fertility of ladybird beetle Harmonia axyridis after prolonged cold storage

et al. 2013

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Some species of ladybird beetles (Coleoptera: Coccinellidae) mate both before and after overwintering. The purpose of the pre-diapause mating was studied in the alien invasive ladybird Harmonia axyridis (Pallas 1773). Our study demonstrates the persistence of high fecundity (daily oviposition rate of 21 eggs per fertilized female during the first month of reproduction) and fertility (85 % of eggs hatching) of females of H. axyridis after long storage (up to eight months) at low temperature (6°C). The females were not mated after activation in spring and had to rely on the sperm supply maintained from the pre-winter period (58 % of females were fertilized). Unfertilized females also laid eggs but in low numbers (an average of 345 eggs by virgin females during an individual's lifetime, 1,174 eggs by females fertilized before winter) and after a longer pre-oviposition period (2-5 weeks in comparison to 7-8 days for fertilized females). We show that the unfertilised eggs were not trophic eggs. The high sperm survival ability observed questions the need for the high levels of sexual activity generally observed in Coccinellidae. Fertilized females of H. axyridis may found large colonies after dispersal to new areas even without males, which contributes to the striking invasive ability of this species.

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Section: Fecunditymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fecundity and fertility of ladybird beetle Harmonia axyridis after prolonged cold storage

et al. 2013

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“…It since has become invasive in four different continents (North and South America, Europe, and Africa) with several negative side effects: reducing biodiversity through non-target prey and intraguild predation, overwintering in large numbers in houses, where it is a nuisance and causes allergies, and decreasing the taste and quality in fruit products, especially wine (Koch, 2003;van Lenteren et al, 2008;De Clercq and Bale, 2011). It is considered to be bivoltine but up to five generations per year have been observed (Bazzocchi et al, 2004;Nedved and Honek, 2012). In winter months, the species aggregates in concealed and sheltered locations that provide a protective microclimate (Berkvens et al, 2010;Wang et al, 2011;Durieux et al, 2012;Raak-van den Berg et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Mating Status Influences Cold Tolerance and Subsequent Reproduction in the Invasive Ladybird Harmonia axyridis

Facon¹,

Estoup²,

Hufbauer³

et al. 2017

Front. Ecol. Evol.

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Among arthropods, ability to survive cold conditions may be instrumental for species invading temperate or colder climatic zones. Cold tolerance can be influenced by multiple environmental and physiological factors. We experimentally investigated the effects of mating status (unmated, mated, or mated, and reproductive) on cold tolerance and subsequent reproduction of the invasive harlequin ladybird Harmonia axyridis. We found that unmated adults survived cold better than mated ones. Among mated individuals, those that had not reproduced survived better than those that had reproduced. After cold stress, formerly unmated females were mated, and we evaluated their ability to reproduce. Females that reproduced prior to cold stress were less likely to reproduce after cold stress than females from the other treatments. We discuss what these results mean for the proportion of unmated females in H. axyridis aggregates at overwintering sites. This study highlights the importance of physiological status on cold tolerance of invasive arthropods.

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“…Sex ratio and mating pairs were analyzed using Pearson's correlation coeffi cients for each year. As C. sexmaculata adults hibernate and aestivate like other ladybird beetles (Nedvěd & Honěk, 2012), the demography of both sexes and the sex ratio of the generations that overwinter and oversummer were determined.…”

Section: Introductionmentioning

confidence: 99%

“…Following such periods they are unlikely to be protandrous as there is little competition between males for females, because many ladybirds mate more than once (Hemptinne et al, 2001;Nedvěd & Honěk, 2012). Since there are very few studies on the phenology of both sexes of ladybirds, we investigated the seasonal occurrence of males and females of Cheilomenes sexmaculata in Osaka City, Japan, from 2003 to 2011.…”

mentioning

confidence: 99%

Protogyny after hibernation and aestivation in Cheilomenes sexmaculata (Coleoptera: Coccinellidae) in central Japan

Kawakami¹,

Yamazaki²,

Ohashi³

2017

Eur. J. Entomol.

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Abstract. Differences in the time of occurrence of both sexes of adult ladybirds, which refl ect differences in the longevity and reproductive strategies of the sexes, is important from the perspective of applied entomology, including biological control, as well as basic entomology. Nevertheless, there is little fi eld census data on this topic. We investigated the seasonal occurrence of both sexes of Cheilomenes sexmaculata (Fabricius) in Osaka City, central Japan, from 2003 to 2011. Female adults tended to appear earlier than males after hibernation or aestivation. That males never appeared earlier than females during the nine year period of this study indicate that protogyny occurs after hibernation and aestivation in this species.

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Life History and Development

Cited by 66 publications

References 248 publications

Fecundity and fertility of ladybird beetle Harmonia axyridis after prolonged cold storage

Fecundity and fertility of ladybird beetle Harmonia axyridis after prolonged cold storage

Mating Status Influences Cold Tolerance and Subsequent Reproduction in the Invasive Ladybird Harmonia axyridis

Protogyny after hibernation and aestivation in Cheilomenes sexmaculata (Coleoptera: Coccinellidae) in central Japan

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