Chremistica ribhoi sp. n. (Hemiptera: Cicadidae) from North-East India and its mass emergence

Hajong, Sudhanya Ray; Yaakop, Salmah

doi:10.11646/zootaxa.3702.5.8

Cited by 6 publications

(6 citation statements)

References 8 publications

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“…e complex spatial and temporal populational dynamics of periodical species are largely consequences of evolution of species interactions [22,23]. Our models are relatively simple and describe accurately the evolution of several types of periodical species with synchronized emergence including species associated with prime-numbered (i.e., insects) and nonprime-numbered life cycles (i.e., plants) [24][25][26]. Several fitness tuples in our model show that various life cycles and their respective periodical emergences extinguish each other.…”

Section: Discussionmentioning

confidence: 99%

Universal Evolutionary Model for Periodical Species

2021

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Real-world examples of periodical species range from cicadas, whose life cycles are large prime numbers, like 13 or 17, to bamboos, whose periods are large multiples of small primes, like 40 or even 120. The periodicity is caused by interaction of species, be it a predator-prey relationship, symbiosis, commensalism, or competition exclusion principle. We propose a simple mathematical model, which explains and models all those principles, including listed extremal cases. This rather universal, qualitative model is based on the concept of a local fitness function, where a randomly chosen new period is selected if the value of the global fitness function of the species increases. Arithmetically speaking, the different interactions are related to only four principles: given a couple of integer periods either (1) their greatest common divisor is one, (2) one of the periods is prime, (3) both periods are equal, or (4) one period is an integer multiple of the other.

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Section: Discussionmentioning

confidence: 99%

Universal Evolutionary Model for Periodical Species

2021

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“…Many periodical organisms are known in the world, e.g., cicadas 16 17 18 and plants 30 31 32 . Magicicada is associated with prime-numbered life cycles.…”

Section: Discussionmentioning

confidence: 99%

“…Recently, a subtropical plant, Strobilanthes flexicaulis , was confirmed to have a 6-year life cycle 31 . Fijian and Indian cicadas exhibiting mass emergence are also suspected to be periodical under shorter life cycles 16 17 18 . If these cicadas are periodical, their evolutionary mechanism for periodicity should be different from that of the Magicicada group.…”

Section: Discussionmentioning

confidence: 99%

“…One hypothesis is that periodicity with mass emergence is a strategy for predator avoidance 12 13 14 15 , but this hypothesis has a significant flaw: It cannot account for the rarity of periodicity. All cicadas face predation pressure, but only a small number of species are known to be periodical, e.g., one in India 16 17 and another in Fiji 18 . Other hypotheses suggest that geological cooling during glacial periods triggered the evolution of periodical cicadas 19 20 , but these hypotheses are also limited because many species of cicadas live in glaciated areas, yet only a few are periodical.…”

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Evolution of periodicity in periodical cicadas

Ito¹,

Kakishima²,

Uehara³

et al. 2015

Sci Rep

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Periodical cicadas (Magicicada spp.) in the USA are famous for their unique prime-numbered life cycles of 13 and 17 years and their nearly perfectly synchronized mass emergences. Because almost all known species of cicada are non-periodical, periodicity is assumed to be a derived state. A leading hypothesis for the evolution of periodicity in Magicicada implicates the decline in average temperature during glacial periods. During the evolution of periodicity, the determinant of maturation in ancestral cicadas is hypothesized to have switched from size dependence to time (period) dependence. The selection for the prime-numbered cycles should have taken place only after the fixation of periodicity. Here, we build an individual-based model of cicadas under conditions of climatic cooling to explore the fixation of periodicity. In our model, under cold environments, extremely long juvenile stages lead to extremely low adult densities, limiting mating opportunities and favouring the evolution of synchronized emergence. Our results indicate that these changes, which were triggered by glacial cooling, could have led to the fixation of periodicity in the non-periodical ancestors.

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“…Authority: Hajong and Yaakop 2013; Species description included 1 male holotype, 23 male and 7 female paratypes.…”

Section: Checklistsmentioning

confidence: 99%

The cicadas (Hemiptera: Cicadidae) of India, Bangladesh, Bhutan, Myanmar, Nepal and Sri Lanka: an annotated provisional catalogue, regional checklist and bibliography

Price¹,

Allan²,

Marathe³

et al. 2016

BDJ

1,085

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BackgroundThe cicadas of the Indian subcontinent, like many other insects in the region, have remained understudied since the early part of the 20th Century, and await modern taxonomic, systematic and phylogenetic treatment. This paper presents an updated systematic catalogue of cicadas (Hemiptera: Cicadidae) from India, Bangladesh, Bhutan, Myanmar, Nepal and Sri Lanka, the first in over a century.New informationThis paper treats 281 species, including: India and Bangladesh (189 species), Bhutan (19 species), Myanmar (81 species), Nepal (46 species) and Sri Lanka (22 species). For each species all recognized junior synonyms are included with information on the type material and additional specimens where relevant. The global distributional range and notes on the taxonomy of each species are included where appropriate. Two lists are provided: (1) species known to occur in India and Bangladesh (treated as a geographic unit), Bhutan, Myanmar, Nepal and Sri Lanka; and (2) species previously listed from these countries in error. A bibliography of species descriptions is provided, with the papers containing the original descriptions provided where copyright allows.

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Chremistica ribhoi sp. n. (Hemiptera: Cicadidae) from North-East India and its mass emergence

Cited by 6 publications

References 8 publications

Universal Evolutionary Model for Periodical Species

Universal Evolutionary Model for Periodical Species

Evolution of periodicity in periodical cicadas

The cicadas (Hemiptera: Cicadidae) of India, Bangladesh, Bhutan, Myanmar, Nepal and Sri Lanka: an annotated provisional catalogue, regional checklist and bibliography

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