Mate Guarding Behaviour in Response to Temperature in Parthenium Beetle &lt;i&gt;Zygogramma bicolorata&lt;/i&gt; Pallister

Bhaisare, Lankesh Yashwant; Chaudhary, Desh Deepak

doi:10.55446/ije.2023.1511

Cited by 3 publications

(3 citation statements)

References 50 publications

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“…Bhaisare et al (2021) reported that Z. bicolorata exhibits mate guarding behaviour to increase reproductive output. Bhaisare and Chaudhary (2023) also showed that developmental temperature significantly affects mate guarding behaviour in Z. bicolorata, as well as the reproductive attributes of the mating pair.…”

Section: Mate Guarding Behaviourmentioning

confidence: 89%

Zygogramma bicolorata (Coleoptera: Chrysomelidae): an exotic biocontrol agent of the noxious weed, Parthenium hysterophorus (Asteraceae)

Afaq,

Kumar,

Siddiqui

et al. 2024

Can Entomol

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Parthenium hysterophorus Linnaeus (Asteraceae), commonly known as “congress grass,” is among the 10 worst weeds of India and is considered one of the world’s 100 most harmful invasive species. This species has been introduced accidentally into several countries, including India, and is a major agricultural and rangeland weed in more than 45 countries. It affects crop production, suppressing biodiversity, crop yields, the health of farm animals and human beings, and local and regional economies. Biological control has been found to be a cost-effective management strategy to control the weed, with the leaf beetle, Zygogramma bicolorata Pallister (Coleoptera: Chrysomelidae), considered an effective and safe biocontrol agent. Several studies have investigated the beetle’s biology, reproduction, and other life attributes. This review compiles the existing information about Z. bicolorata biology, growth, development, reproduction, food, and host specificity, and the effects of abiotic and biotic stressors on the insect’s life attributes. We anticipate that this review will helpful for improving strategies for this bioagent’s swift mass rearing and for developing classical biological control design for Parthenium weed.

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Section: Mate Guarding Behaviourmentioning

confidence: 89%

Zygogramma bicolorata (Coleoptera: Chrysomelidae): an exotic biocontrol agent of the noxious weed, Parthenium hysterophorus (Asteraceae)

Afaq,

Kumar,

Siddiqui

et al. 2024

Can Entomol

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“…Here, we investigated Parthenium beetles, Zygogramma bicolorata, a species known to show extraordinarily long matings (Afaq & Omkar, 2017, Bhaisare et al, 2021Bhaisare & Chaudhary, 2023). Afaq & Omkar (2017) found long mating to be associated with increased adult reproductive performance and improved offspring life-history traits.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, notwithstanding the advances in our understanding of sexual selection and mate choice, long matings continue to be a puzzle with ample scopes of empirical investigations. Here, we investigated Parthenium beetles, Zygogramma bicolorata , a species known to show extraordinarily long matings (Afaq & Omkar, 2017, Bhaisare et al, 2021; Bhaisare & Chaudhary, 2023). Afaq & Omkar (2017) found long mating to be associated with increased adult reproductive performance and improved offspring life-history traits.…”

Section: Introductionmentioning

confidence: 99%

Long mounting with repeated copulations inZygogramma bicolorata: A test of adaptive significance of a curious mating behaviour

Pal,

Nandy

2024

Preprint

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Long matings are abundant in insects despite the range of the costs involved. The causes and consequences of the evolution of long matings remain an interesting problem for behavioural ecologists. We studied the Parthenium beetle (Zygogramma bicolorata), which is known to show extraordinarily long copulations. Our detailed investigation showed, for the first time, that the long mounting in this species entails repeated copulation. Each of these copulations is preceded and succeeded by a leg-rubbing behaviour. We found the same characteristic pattern in laboratory and semi-natural conditions. We conducted a series of interrupted mounting assays to examine the fitness consequences of the duration of mounting. We tested multiple hypotheses regarding the transfer of sperm and non-sperm components, and the function of leg rubbing in modulating the female copulatory behaviour. Sperm transfer and fertility did not exhibit a linear increase with the number of copulations. There was also no evidence of nutrient transfer by the males. In contrast, our experiments reveal significant cost of long mounting in these beetles. We showed female remating behaviour can be modulated by the long previous mounting. Our data also suggest that leg rubbing may reduce female resistance to mating. While the long mating possibly serves as copulatory mate guarding, the males may increase their competitive ability through modulating female remating. We also propose leg rubbing to be a copulatory courtship behaviour. Our study provides preliminary insights into the evolution of long mating in such systems and necessitates further research on sexual selection.

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Adaptive Significance of Long Mating With Repeated Intromissions in Zygogramma bicolorata

Pal,

Bhowmick,

Naik

et al. 2024

Ethology

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Long matings are abundant in insects despite the range of the costs involved. The causes and consequences of the evolution of long mating remain an interesting problem for behavioural ecologists. We studied extraordinarily long mating that involves repeated intromissions interspersed with latent periods in the Parthenium beetle (Zygogramma bicolorata). We conducted a series of interrupted mating assays to examine the fitness consequences of different components of this curious mating behaviour. We tested multiple adaptive hypotheses concerning male fertility and competitive ability. We found that sperm transfer and fertility did not exhibit a linear increase with the number of intromissions. There was also no evidence of nutrient transfer by the males. Interestingly, our results showed that both sexes suffered a significant cost of long mating. Further, female remating behaviour was found to be modulated by the length of the previous mating. Additionally, males were observed performing a curious leg rubbing behaviour during the inter‐intromission latent period, putatively serving as a copulatory courtship function that reduced female resistance to the continuance of mating. Therefore, we show that while the long mating may still serve a mate‐guarding role, there are additional fitness effects of such behaviour that need careful consideration. Our study provides insights into the adaptive significance of long mating and its fitness consequences.

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

Cited by 3 publications

References 50 publications

Zygogramma bicolorata (Coleoptera: Chrysomelidae): an exotic biocontrol agent of the noxious weed, Parthenium hysterophorus (Asteraceae)

Zygogramma bicolorata (Coleoptera: Chrysomelidae): an exotic biocontrol agent of the noxious weed, Parthenium hysterophorus (Asteraceae)

Long mounting with repeated copulations inZygogramma bicolorata: A test of adaptive significance of a curious mating behaviour

Adaptive Significance of Long Mating With Repeated Intromissions in Zygogramma bicolorata

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