Adult longevity and its relationship with conservation status in European butterflies

Bubová, Terezie; Kulma, Martin; Vrabec, Vladimír; Nowicki, Piotr

doi:10.1007/s10841-016-9936-0

Cited by 26 publications

(31 citation statements)

References 118 publications

(85 reference statements)

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“…The calculated value of the temporal fragmentation index was the lowest among all congeneric species, and one of the lowest of all the European butterflies studied so far. This was rather unexpected as species of conservation concern are typically characterized by higher values of this index (see review by Bubová et al 2016). Hence this result, especially in combination with relatively weak protandry, suggests that temporal fragmentation, i.e., reduced effective population size due to the fact that individuals flying in different parts of the season do not have the chance to mate with one another (Nowicki et al 2005), is not a serious problem in the investigated population.…”

Section: Discussionmentioning

confidence: 80%

“…For comparative purposes we also derived mean capture probabilities for males and females across the entire season as well as mean adult life span, estimated from survival rate as e = (1 − ) −1 − 0.5 (Nowicki et al 2005). Besides, we calculated the temporal fragmentation index, i.e., ratio of flight period length to adult life span, which is considered a useful indicator of species vulnerability (Bubová et al 2016). …”

Section: Discussionmentioning

confidence: 99%

“…It has recently been found that many threatened butterflies in Europe are characterised by short-lived adults (Bubová et al 2016). In this context, it is interesting to note that the adult life span estimated in our study for C. hero is twice as long as adult longevity in two other threatened Coenonympha species i.e., C. oedippus and C. tullia (reaching 3 days on average) (Turner 1963;Örvössy et al 2013), and similar to that of the common and widespread C. pamphilus (Wickman 1985).…”

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Adult demography of an isolated population of the threatened butterfly Scarce Heath Coenonympha hero and its conservation implications

Sielezniew

Nowicki

2017

J Insect Conserv

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Section: Discussionmentioning

confidence: 80%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Adult demography of an isolated population of the threatened butterfly Scarce Heath Coenonympha hero and its conservation implications

Sielezniew

Nowicki

2017

J Insect Conserv

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“…This is again consistent with the Finnish data, where the flight period of both Boloria species was calculated at 3-4 weeks (KOMONEN et al 2004) and the estimates by SETTELE et al (2000) suggesting that imagoes live for about two weeks. More reliable data based on MRR studies indicate that the average life span of B. eunomia and B. euphrosyne is even shorter -about 8-9 days (BUBOVÁ et al 2016). Because of differences in life expectancy among butterfly species as well as appearance and behaviour influencing the detectability of individuals, transect counts are not a straightforward reflection of adult population sizes.…”

Section: Discussionmentioning

confidence: 99%

Unexpected differences in butterfly diversity between two peat bogs in the same area

Klimczuk¹,

Sielezniew²

2017

Polish Journal of Entomology

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ABSTRACT. Peat bogs are listed among the most threatened habitats in central Europe, a situation that is reflected by, for example, the conservational status of stenotopic butterflies. Even so, this group remains relatively little studied and most of the available data are limited to qualitative records. The present study enabled us to gain insight into the butterfly fauna of the two largest peat bogs in the Knyszyn Forest (NE Poland), i.e. Bagno Moskal and the one in the Jesionowe Góry nature reserve. The sites, only ca 10 km apart, are characterized by similar vegetation (mainly the Ledo-Sphagnetum association). The study was carried out in 2013-2015 using the transect method, i.e. regular counts along fixed routes. A total of 37 species, including three tyrphobionts (Colias palaeno, Plebejus optilete and Boloria eunomia) and two tyrphophiles (Callophrys rubi and Boloria euphrosyne), were recorded. The greatest and unexpected differences between the sites were related to the complete absence of P. optilete at Bagno Moskal, the significantly higher abundance of B. eunomia at Jesionowe Góry and the greater abundance of B. euphrosyne at Bagno Moskal. In addition, C. palaeno was observed sporadically and only at Bagno Moskal. There was some heterogeneity in the distribution and density of particular species, however. Ledum palustre was found to be the most important nectar plant, its flowers also being frequently visited by tyrphoneutrals. The present study shows that isolated island-like habitats (e.g. peat bogs) may possess specific features and be subject to specific independent changes. The results provide a good basis for further research into the habitat preferences of tyrphophilous and tyrphobiontic butterflies, which is important in the context of their conservation.

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“…Phased emergence together with short adult lifespans produce a temporal fragmentation of butterfly populations, whose impact on their risk of extinction can be even higher than the effects of spatial subdivision (Bubov a et al, 2016). Our estimates of the index of temporal fragmentation for G. isabellae are extremely high, due to both its quite short adult life expectancy and quite long flight period.…”

Section: Phased Emergencementioning

confidence: 83%

Census and contemporary effective population size of two populations of the protected Spanish Moon Moth (Graellsia isabellae)

Marí-Mena

Naveira

Lopez‐Vaamonde

et al. 2018

Insect Conserv Diversity

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Graellsia isabellae is a protected lepidopteran both in France and Spain; however, there has been considerable debate over its conservation status. Recent literature emphasised the need of monitoring population size in the different mountain ranges where this iconic species occurs. We used mark–capture–recapture and genotypes of nine molecular microsatellite markers to estimate the census (N) and contemporary effective population size (Ne) of two Spanish populations extending over similar size areas (10–15 km2): Puebla (Eastern Spain) and Ordesa (Western Pyrenees). Only adult males were captured and analysed, as sampling was based on the use of the synthesised female sex pheromone. Estimates of N were rather different in the two populations: 3398 males in Puebla (95% CI = 2875–4145) and 1500 in Ordesa (95% CI = 1229–1932), although the area occupied by the populations was larger and more densely forested in Ordesa than in Puebla. Several lines of evidence pointed to a moderate–large contemporary Ne at Puebla (173–178 individuals) and a one‐order of magnitude lower Ne at Ordesa (27–49). Thus, Ne/N ratios were very low (0.026 and 0.01 respectively). We recommend G. isabellae to be classified as of Least Concern under the IUCN criteria; however, the high temporal fragmentation index and the very low values of the Ne/N ratios obtained for this species, as compared with those recorded for most others, are usually taken as indicators of actual threat for their conservation. As a cautionary measure, managers should aim at maintaining gene flow by ensuring connectivity of Pinus sylvestris in these areas.

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Adult longevity and its relationship with conservation status in European butterflies

Cited by 26 publications

References 118 publications

Adult demography of an isolated population of the threatened butterfly Scarce Heath Coenonympha hero and its conservation implications

Adult demography of an isolated population of the threatened butterfly Scarce Heath Coenonympha hero and its conservation implications

Unexpected differences in butterfly diversity between two peat bogs in the same area

Census and contemporary effective population size of two populations of the protected Spanish Moon Moth (Graellsia isabellae)

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