Development Rates of Eggs of Some Canadian Stoneflies (Plecoptera) in Relation to Temperature

Mutch, Robert A.; Pritchard, Gordon

doi:10.2307/1467479

Cited by 13 publications

(11 citation statements)

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“…Pritchard et al, 1996), as well as on the features of the natural habitat of a given species. Thus stoneflies are a cold-adapted group, and those dwelling in cold streams have developmental thresholds below 5°C (Mutch & Pritchard, 1986;0kland, 1991).…”

Section: Integrating Informationmentioning

confidence: 99%

Measuring and reporting life-cycle duration in insects and arachnids

Danks¹

2000

Eur. J. Entomol.

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Abstract. Some previous work on arthropod development is insufficiently detailed or incompletely reported. Much of the published information in this area is of limited use for the general analysis of life cycles. These difficulties arise primarily because many experiments do not control fully for the strain of the material (and even its specific identity) nor for rearing conditions, do not ade quately take account of the complexity of life cycles and their stages, or are restricted to only part of the life cycle. For example, 285 such factors as variable numbers of instars, sexual differences, abbreviated or hidden stages and dormancies may mean that the "average durations" reported apply to an unknown mixture of developmental types. Nor are experiments always designed or results reported and analysed in a logical and transparent manner. Undefined terms may obscure what actual developmental intervals were measured. Highly derived developmental or demographic measures may obscure core data. Statistical information may be inade quate. Such pitfalls are reviewed here, suggesting ways to ensure that results on the duration of development are both valid for spe cific studies and more widely useful. General experimental difficulties, recommended background information that should be provided, recommended life-cycle intervals and their terminology, and recommended ways to report numerical and statistical infor mation are briefly summarized in tabular form.

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Section: Integrating Informationmentioning

confidence: 99%

Measuring and reporting life-cycle duration in insects and arachnids

Danks¹

2000

Eur. J. Entomol.

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“…Table 2 summarizes knowledge on this relationship for stoneflies. Results for P. intricata (Marten, 1987), Isoperla obscura , Amphinemura banksi (Mutch & Pritchard, 1986) and A. standfussi (Elliott, 1988) are omitted, because P. intricata has (Zwick, 1981;Marten, 1987) and the others are suspected to have a dormancy during egg development (Zwick, 1981;Mutch & Pritchard, 1986). These species therefore will have a more complicated pattern of temperature dependence in the egg stage.…”

Section: Discussionmentioning

confidence: 99%

“…& Lillehammer & Saltveit, 1984Elliott, 1988Mutch & Pritchard, 1986Lillehammer, 1986Mutch & Pritchard, 1986Mutch & Pritchard, 1986Elliott, 1987 present study Elliott, 1984Brittain, 1978Elliott, 1987Elliott, 1987Mutch & Pritchard, 1986 present study present study Brittain, 1977Elliott, 1988Brittain & Lillehammer, 1987 present study Strange, 1985Strange, 1985 y = 289,3 T-0, 955 4-22 1002 Elliott, 1988 Elliott, 1988Elliott, 1986Strange, 1985Brock, 1986Mutch & Pritchard, 1986Elliott, 1988Elliott, 1988 present study Elliott, 1987Elliott, 1987Elliott, 1988Elliott, 1987Lillehammer, 1985Lillehammer, 1987a Lillehammer, 1985Brittain & Mutch, 1984Mutch & Pritchard, 1986Lillehammer, 1987b Lillehammer, 1987 ing incubation periods for P. praecox, P. meyeri and P. auberti at least prevent synchronization by rising water temperatures in spring and summer, but long incubation periods of eggs of P. nitida and especially P. hrabei together with low temperatures in autumn will cause delayed hatching until winter, when the spring species are already half or nearly full grown. On the whole, high thermal demand of eggs of P. nitida and P. hrabei does not correspond to field temperatures, but is never- th...…”

Section: Speciesmentioning

confidence: 99%

“…Complexity of freshwater ecosystems suggests interaction of divers abiotic and perhaps biotic factors for regulation of geographical distribution. Present day distribution patterns may also be the result of earlier distribution patterns and geological events such as the Ice Age and glaciations (Mutch & Pritchard, 1986).…”

Section: Speciesmentioning

confidence: 99%

“…Mutch & Pritchard (1986) classify stonefly species according to the slope values of the regression lines. Slope values significantly less than -1 indicate adaptation to high temparatures.…”

Section: Speciesmentioning

confidence: 99%

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Interspecific variation in temperature dependence of egg development of five congeneric stonefly species (Protonemura Kempny, 1898, Nemouridae, Plecoptera)

Marten

1990

Hydrobiologia

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Embryonal development of the five congeners Protonemura auberti Illies, 1954, P. hrabei Rauser, 1956, P. meyeri (Pictet, 1841, P. nitida (Stephens, 1835), and P. praecox (Morton, 1894) was studied under various laboratory temperatures and different photoperiods.Mean number of eggs in field collected batches was between 470 (P. praecox) and 1211 (P. auberti). Spring species had smaller egg batches than autumn species (Table 1). Mean hatching success in the laboratory was 50-100% at 2-18 C. In most species hatching success decreased slightly with increasing temperature (Figs. la-e). None of the eggs incubated at 24 C developed. Hatching pattern followed an asymmetric frequency distribution. In general, the hatching periods were the shorter the higher the incubation temperature.Embryonic development of all five species was inversely temperature dependent (Figs. 2a-e), and well described by a power law relationship (Figs. 3a-e). Interspecific differences in incubation periods were notable at nearly all temperatures (Fig. 4). There was a distinct interspecific sequence in length of incubation period (with steps of about 4 days), which was the same as can be seen in the flight periods: The later the species flies the longer the incubation period. Temperature fluctuations and variations in photoperiod had no influence on incubation and hatching periods or hatching success.The thermal demand of the egg stage neither explains the recent geographical distribution of the Protonemura species, nor does it directly correspond to the field temperatures common during their egg development. However, it is optimal in respect to resource partitioning between the five species, with the consequence of temporal displacement of life cycles.Derived from Brittain's (in press) proposal to compare the two constants 'a' and 'b' of the regressions describing the temperature dependence of embryonal development, a new index (Integral Development Time, IDT) indicating the thermal demand was created for easier comparison of numerous species ( Table 2). Evaluation of the IDT for various species of Plecoptera (Fig. 5) suggests that species belonging to the family group Systellognatha generally have higher thermal requirements in the egg stage than species belonging to the Euholognatha. 158

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Field and laboratory life cycle studies of Malenka depressa (Banks, 1898) (Plecoptera: Nemouridae)

Tozer

2024

Aquatic Insects

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Development Rates of Eggs of Some Canadian Stoneflies (Plecoptera) in Relation to Temperature

Cited by 13 publications

References 7 publications

Measuring and reporting life-cycle duration in insects and arachnids

Measuring and reporting life-cycle duration in insects and arachnids

Interspecific variation in temperature dependence of egg development of five congeneric stonefly species (Protonemura Kempny, 1898, Nemouridae, Plecoptera)

Field and laboratory life cycle studies of Malenka depressa (Banks, 1898) (Plecoptera: Nemouridae)

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