Variation in reproductive attributes and diapause behaviour among six populations of Zygogramma bicolorata Pallister

Bali, Kamlesh; Gupta, Rakesh Kumar; Pervez, Ahmad; Guroo, Mushtaq Ahmad; Gupta, Ajay Kumar; Gani, Mudasir

doi:10.1007/s42690-021-00599-0

Int J Trop Insect Sci

2021

DOI: 10.1007/s42690-021-00599-0

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Variation in reproductive attributes and diapause behaviour among six populations of Zygogramma bicolorata Pallister

Kamlesh Bali

Rakesh Kumar Gupta

Ahmad Pervez

et al.

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Cited by 2 publications

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“…For the current study, the model organism Zygogramma bicolorata Pallister has been used, which is known as parthenium beetle. It is one of the most effective biological control agents of Parthenium hysterophorus L. Several studies have been performed on this beetle regarding the biocontrol activity (Cowie et al, 2019;Hasan et al, 2020;Patel et al, 2020;Bhusal et al, 2020), diapause behaviour (Bali et al, 2022), reproductive behaviour (Bali et al, 2022), paternity success (Afaq and Omkar, 2017) and post copulatory mate guarding (Bhaisare et al, 2021). After review of literature, the effect of temperature on time to commencement of mating (TCM) and latent period (LP), post copulatory mate guarding have not yet been studied.…”

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Mate Guarding Behaviour in Response to Temperature in Parthenium Beetle <i>Zygogramma bicolorata</i> Pallister

Bhaisare,

Chaudhary

2023

IJE

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Insects are ectothermic organisms in which most of the biochemical, physiological and behavioral processes may depend on thermal conditions of surrounding environments. Here, we anticipated that the copulatory parameters may also depends on different rearing conditions. So, it was hypothesized that developmental thermal conditions might play crucial role in modulation of mate guarding as well as reproductive outputs of Zygogramma bicolorata Pallister (Coleoptera: Chrysomelidae). In result, deaths of larval instars and pupa were observed along with underdeveloped adults at extreme developmental thermal conditions (15°C and 35°C). On the other hand, maximum time to commencement of mating (TCM) was observed at 20°C and minimum at 25°C. But latent period (LP) and mate guarding duration (MGD) were maximum at 30°C and minimum at 20°C and 25°C respectively. Further, result showed increase level of reproductive output at 20°C. So, it can be concluded that developmental temperature significantly influenced mate guarding and reproductive attributes.

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mentioning

confidence: 99%

Mate Guarding Behaviour in Response to Temperature in Parthenium Beetle <i>Zygogramma bicolorata</i> Pallister

Bhaisare,

Chaudhary

2023

IJE

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Repeated short-term thermal stress and its impact on reproductive fitness in parthenium beetle, Zygogramma bicolorata (Coleoptera: Chrysomelidae)

Patel,

Yadav,

Kumar

2024

Can Entomol

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Insects experience variable temperature conditions in their natural environment, making constant temperature conditions in studies unrealistic. To address this, we investigated the effects of repeated short-term heat stress (STH) and short-term cold stress (STC) conditions on the pre-oviposition, oviposition, and post-oviposition periods, as well as on fecundity and egg viability of the parthenium beetle, Zygogramma bicolorata Pallister (Coleoptera: Chrysomelidae). We found that pre-oviposition periods were shortest under STH conditions and at the optimal temperature and longest under STC conditions. Conversely, oviposition and post-oviposition periods were longest at the optimal temperature. Oviposition periods were shortest under STH, whereas post-oviposition periods were shortest under both STH and STC conditions. Age-specific fecundity trends were triangular, and egg-viability trends were plateau-shaped at all temperatures. Females subjected to STH conditions experienced the highest oviposition peaks early in their adult life. Conversely, lifetime fecundity and longevity were highest at the optimal temperature, whereas egg viability was maximal under STH conditions. Regardless of the temperature they were maintained at, middle-aged females exhibited the highest fecundity and egg viability. Based on these results, despite reducing overall fecundity and longevity, STH conditions enhanced daily oviposition in females, with the peak occurring early in adult life. Additionally, both STH and STC conditions increased percentage egg viability in parthenium beetles.

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Variation in reproductive attributes and diapause behaviour among six populations of Zygogramma bicolorata Pallister

Cited by 2 publications

References 36 publications

Mate Guarding Behaviour in Response to Temperature in Parthenium Beetle <i>Zygogramma bicolorata</i> Pallister

Mate Guarding Behaviour in Response to Temperature in Parthenium Beetle <i>Zygogramma bicolorata</i> Pallister

Repeated short-term thermal stress and its impact on reproductive fitness in parthenium beetle, Zygogramma bicolorata (Coleoptera: Chrysomelidae)

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