Sawflies (Hymenoptera: Symphyta) in the northeast of the Czech Republic with special regard to spruce forests

Beneš, Karel; Holuša, Jaroslav

doi:10.17221/112/2014-jfs

Cited by 6 publications

(4 citation statements)

References 14 publications

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“…with yellow stickyboards being used to monitorP.abietinain particular (Holuša & Drápela, 2006). Hence, further studies of Sitka spruceassociated sawflies may benefit from using both visually apparent yellow traps along with malaise traps to capture more species of sawflies (Beneš & Holuša, 2015). believed to be established (Liston et al, 2014).…”

Section: Discussionmentioning

confidence: 99%

Investigating the abundance and diversity of sawflies (Hymenoptera, Symphyta) within commercial Sitka spruce plantation forests in mid‐Wales

Enston,

Williams

2023

Agri and Forest Entomology

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Sitka spruce is a widely planted and economically important tree species in the United Kingdom; hence, identifying any future biotic or abiotic threats to its productivity is important. Defoliating insects are widely considered to be major forest disturbance agents, and these can include the sawflies (Symphyta), which are well known to reach high population densities that can cause significant outbreak events, leading to tree mortality or impacts on growth. The aim of the current study was to investigate the abundance and diversity of sawflies within stands of Sitka spruce over an elevation range and to evaluate whether there were any potentially important species present. Experimental plots were established in two commercial forest plantations in mid‐Wales, and the adult sawfly community was assessed over a 3‐year period using yellow pan traps. Sixty species of sawfly were caught over the 3‐year period, which accounted for >11% of all known British sawfly species. Results indicated that there were generally greater abundance and diversity of sawflies at lower elevational plots, where temperatures were higher. The most abundant sawfly species captured in the study was the notable defoliator species, the mountain spruce sawfly (Epicenematus montanus), which was found in particularly high numbers in the low‐elevation plot in Hafren forest. A further seven spruce‐associated sawfly species were also caught across the experimental plots. The study highlighted the presence of a number of notable spruce‐associated sawfly species (E. montanus and Pristiphora spp.), some of which have caused significant defoliation of spruce (Picea) species in Europe. The generally higher abundance of these sawflies at lower elevations indicated that Sitka spruce may potentially become more vulnerable to defoliation events caused by sawfly outbreaks in the future, especially when considering current projected climate change predictions.

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Section: Discussionmentioning

confidence: 99%

Investigating the abundance and diversity of sawflies (Hymenoptera, Symphyta) within commercial Sitka spruce plantation forests in mid‐Wales

Enston,

Williams

2023

Agri and Forest Entomology

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“…was scored based on reported host-plant preferences published in recent studies on the evolution of larval diet preferences of sawflies (Smith et al, 2002;Price et al, 2005;Nyman et al, 2006;Leppaenen et al, 2012;Boev e et al, 2013;Isaka & Sato, 2014a, 2014bListon et al, 2014;Benes & Holusa, 2015;Koch et al, 2015), reports on sawfly taxonomy (Vikberg & Liston, 2009;Schmidt & Smith, 2009), databases available on the internet (Schmidt & Smith, 2006), and reports of insects feeding on ferns (Sawamura et al, 2009). A few studies have provided high quality information on the identity of the ferns used by sawflies (Togashi, 1989;Shcherbakov, 2006;Macek, 2010;Smith et al, 2002;Vikberg & Liston, 2009;Smith et al, 2013;Taeger, 2013).…”

Section: Methodsmentioning

confidence: 99%

The ghost of the Cretaceous terrestrial revolution in the evolution of fern–sawfly associations

Schneider

2016

J of Sytematics Evolution

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Utilization of ferns by phytophagous insects is widely considered to be less common and less specialized compared to the phytophagous insect community feeding on angiosperms. In this study, this assumption is challenged by exploring the evolution of pteridophagy (fern-feeding) in the larval stages of sawflies (Symphyta). To achieve this, phylogenetic frameworks were assembled based on published phylogenetic studies and newly reconstructed phylogenies based on cytochrome oxidase subunit I (COI) barcoding data that allowed the reconstruction of the ancestral feeding preferences by plotting reported host plants of sawflies. Evidence was found for two exclusively pteridophagous lineages of sawflies that probably originated before the Cretaceous Terrestrial Revolution, whereas the third lineage comprising several exclusively pteridophagous sawfly genera is nested in the derived sawfly clade feeding predominantly on eudicots. Thus, the evolution of pteridophagy in the clade was probably connected with the transformation of terrestrial habitats associated with the rise of angiosperms during the Cretaceous. The observed phylogenetic patterns are consistent with the hypothesis of "larval diet conservatism" resulting in the establishment of genera and lineages that feed exclusively, or at least predominantly, on conifers, eudicots, ferns, and monocots. Only a small percentage of sawfly genera were found to be polyphylophagous. The results suggest a low frequency of switches between host plants belonging to different major plant lineages such as angiosperms, conifers, and ferns. Successful switches between hosts belonging to different major lineages of land plants coincide with the reorganization of the phylogenetic composition of terrestrial vegetation in the late Mesozoic.

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“…Only known from Germany, Switzerland (Taeger et al 2006), the Czech Republic (Beneš and Holuša 2015), and the Russian Caucasus (see below). We are only aware of the existence of four extant collection specimens: three females and one male.…”

Section: Taxon Commentariesmentioning

confidence: 99%

“…Czech Republic [not examined: data from Beneš and Holuša 2015]: Moravia: 1♀, Stolařka Mt., Lhotka, 700 m, 21.05.1998, leg. J. Holuša (NMPC).…”

Section: Taxon Commentariesmentioning

confidence: 99%

The West Palaearctic genera of Nematinae (Hymenoptera, Tenthredinidae)

Prous

Liston

Kramp

et al. 2019

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Keys to adults and larvae of the genera of West Palaearctic nematine sawflies are presented. Species of some of the smaller genera are keyed, and their taxonomy, distribution, and host plants reviewed, with a geographic focus on north-western Europe, particularly Sweden. Dinematus Lacourt, 2006 is a new junior subjective synonym of Pristiphora Latreille, 1810, resulting in the new combination Pristiphora krausi (Lacourt, 2006) for the type species of Dinematus. Hemichroa monticola Ermolenko, 1960 is a new junior subjective synonym of Hemichroa australis (Serville, 1823). Lectotypes are designated for Tenthredo opaca Fabricius, 1775, Mesoneura opaca var. nigerrima Enslin, 1914, Mesoneura opaca var. obscuriventris Enslin, 1914, Nematus hypogastricus Hartig, 1837, Nematus alnivorus Hartig, 1840, Leptopus rufipes Förster, 1854, Nematus protensus Förster, 1854, and Platycampus luridiventris var. pleuritica Enslin, 1915. A phylogenetic analysis based on four genes (mitochondrial COI and nuclear NaK, POL2, and TPI) supports the current generic classification.

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Sawflies (Hymenoptera: Symphyta) in the northeast of the Czech Republic with special regard to spruce forests

Cited by 6 publications

References 14 publications

Investigating the abundance and diversity of sawflies (Hymenoptera, Symphyta) within commercial Sitka spruce plantation forests in mid‐Wales

Investigating the abundance and diversity of sawflies (Hymenoptera, Symphyta) within commercial Sitka spruce plantation forests in mid‐Wales

The ghost of the Cretaceous terrestrial revolution in the evolution of fern–sawfly associations

The West Palaearctic genera of Nematinae (Hymenoptera, Tenthredinidae)

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