Life history, growth patterns and feeding habits of two predatory stoneflies,<i>Skwala pusilla</i>(Perlodidae) and<i>Kamimuria tibialis</i>(Perlidae) in northern Japan

Otsuki, Akiko; Iwakuma, Toshio

doi:10.1080/01650420701827421

Cited by 2 publications

(3 citation statements)

References 21 publications

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“…Such a life cycle strategy is advantageous under relatively stable environmental conditions, because the possibilities of colonizing new biotopes by oviposition occur during a relatively short period of time (Hynes, 1976;Golubkov, 2000). Our data agree with the results of a study of the life cycle of S. compacta in the rivers of Hokkaido Island (Otsuki and Iwakuma, 2008). The total duration of synchronized cohort development, the specific growth rate dynamics, the short period of emergence, the absence of diapause, and rapid embryonic development observed in our material are totally consistent with the data obtained by the Japanese researchers.…”

Section: Discussionsupporting

confidence: 92%

“…A semivoltine life cycle lasting from 2 to 3 years with emergence in May-August and late hatching of the new-generation nymphs was also observed in Kamimuria coreana Ra, Kim, Kang et Ham, 1994 in a mountain stream in Gwangju Province, South Korea (Kim and Ra, 1996). In contrast, the Japanese species Kamimuria tibialis (Pictet, 1841) was found to possess a univoltine life cycle (Otsuki and Iwakuma, 2008), with the eggs developing for 1-2 months without diapause and the nymphs completing development in mere 10-11 months.…”

Section: Discussionmentioning

confidence: 99%

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Life cycles and production of three predatory stonefly species (Plecoptera, Insecta) in the Kedrovaya River (Southern Primorskii Territory)

Teslenko

2015

Entmol. Rev.

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The life cycles and production of populations of the predatory stoneflies Skwala compacta, Stavsolus manchuricus, and Kamimuria exilis were studied in the Kedrovaya salmon stream (the Kedrovaya Pad Reserve, the south of Primorskii Territory). Skwala compacta and S. manchuricus are univoltine with direct embryonic development and slow nymphal growth during 311 and 294 days, respectively, including winter growth at low water temperatures. The life history of S. compacta was characterized by synchronous emergence and population recruitment, an uninterrupted increase in the nymphal body weight from May to September, rapid growth in October-November, and a sustained weight gain during the winter months until emergence in April-May. The life history of S. manchuricus was characterized by an extended period of emergence in May-July and recruitment from July to September, as well as by a wide range of size-age parameters, presumably related to the specificity of the reproductive system in adults and an external growth delay at early nymphal instars caused by high water temperatures in late summer and early autumn. Nymphs of S. manchuricus grew actively at 0.2°C during winter, which gave this species a competitive advantage over S. compacta and K. exilis whose growth was slow or absent in winter months. The semivoltine life cycle of K. exilis included a 9-month embryonic diapause and lasted about 4 years with periods of winter nymphal quiescence from December to February. Extended emergence and oviposition were recorded from the end of July to September. The population of K. exilis had a complex structure comprising 3 cohorts whose size ranges overlapped due to the extended flight period and recruitment of the new-generation nymphs in the spring of the next year. Nymphs of K. exilis grew fast during the warm period, when S. compacta and S. manchuricus were only appearing in the stream or underwent growth delay at relatively high water temperatures. The annual production of three species varied from 0.045 to 0.383 g/m 2 dry mass, P/B mean was 1.1-6.9; P/B coh = 6.2-9.1, and P/B year = 4.1-9.4. Low values of P/B mean and P/B year were found in the semivoltine K. exilis, and high ones, in the univoltine S. compacta. The latter had a higher cohort-specific growth rate while its specific production was 0.026 day −1 . The population of K. exilis had low values of the cohort-specific growth rate (0.013 day −1 ) and specific production (0.004 day −1 ). The highest production was observed in the population of S. manchuricus where nymphs grew at a specific rate of 0.023 day −1 while their mean density reached 59 ind./m 2 .

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Life cycles and production of three predatory stonefly species (Plecoptera, Insecta) in the Kedrovaya River (Southern Primorskii Territory)

Teslenko

2015

Entmol. Rev.

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“…tibialis. Kamimuria tibialis utilizes many kinds of aquatic insects as food sources (Otsuki & Iwakuma, 2008). Given these facts, it is expected that the distribution of this species has been affected by the glacial cycles of the Pleistocene, and may not be limited by the species composition of local prey.…”

Section: Introductionmentioning

confidence: 99%

Phylogeography of the stoneflyKamimuria tibialis: multiple glacial refugia and sympatric occurrence of different lineages in the southern islands of Japan

Otsuki

Yoshizawa

Akimoto

2021

Biological Journal of the Linnean Society

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To elucidate the effect of Pleistocene climatic fluctuations on the historical distribution and geographical genetic structure of temperate Japanese species, we performed phylogeographical and demographic analyses using mitochondrial gene sequences obtained from the stonefly species Kamimuria tibialis, sampled from four main islands of the Japanese Archipelago (i.e. Hokkaido, Honshu, Shikoku and Kyushu) and Tsushima Island. We detected three main clades with distinct geographical distributions, including the Tsushima, Kyushu and Hokkaido–Honshu–Shikoku phylogroups. These groups were estimated to have diverged from one another 0.54–2.02 Mya, suggesting they have undergone several glacial cycles in different refugia. Our results showed that during the glacial epochs and with a fall in sea-level, gene flow was limited among Tsushima and Kyushu, and among Hokkaido and Honshu, probably because the straits between these islands are deep. The population in Kyushu and Shikoku, the southernmost islands, exhibited high genetic diversity, with two distinct haplotype lineages occurring sympatrically. These results suggest that the population division into multiple refugia and the existence of stable southern refugia have contributed to the high genetic diversity of the species in this region.

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Life history, growth patterns and feeding habits of two predatory stoneflies,Skwala pusilla(Perlodidae) andKamimuria tibialis(Perlidae) in northern Japan

Cited by 2 publications

References 21 publications

Life cycles and production of three predatory stonefly species (Plecoptera, Insecta) in the Kedrovaya River (Southern Primorskii Territory)

Life cycles and production of three predatory stonefly species (Plecoptera, Insecta) in the Kedrovaya River (Southern Primorskii Territory)

Phylogeography of the stoneflyKamimuria tibialis: multiple glacial refugia and sympatric occurrence of different lineages in the southern islands of Japan

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