Insect herbivory, plant-host specialization and tissue partitioning on mid-Mesozoic broadleaved conifers of Northeastern China

Ding, Qiaoling; Labandeira, Conrad C.; Meng, Qingmin; Ren, Dong

doi:10.1016/j.palaeo.2015.09.007

Cited by 39 publications

(36 citation statements)

References 27 publications

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“…However, the observed pattern is consistent with phytophagous "lineage sorting" during the post-Cretaceous-Paleogene recovery of terrestrial habitats. This scenario appears to be more consistent with the fossil record of phytophagous insects (see Donovan et al, 2014;Ding et al, 2015;Robledo et al, 2015). In this context, it is worth stressing that reconstruction of ancestral larval diets suggested eudicots as the ancestral larval diet for nodes that are estimated to be older than the diversification of eudicots (Ronquist et al, 2012).…”

Section: Discussionsupporting

confidence: 66%

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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Section: Discussionsupporting

confidence: 66%

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

Schneider

2016

J of Sytematics Evolution

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“…Currently, examples of Jurassic oviposition from China have been described from the Jiulongshan Formation, at the two major Daohugou localities, of latest Middle Jurassic age, in northeastern China. (Na et al, 2014b;Ding et al, 2015; Lin, X.D., Labandeira, C.C., Ding, Q.L., Meng, Q.M. and Ren, D., unpublished data).…”

Section: Introductionmentioning

confidence: 82%

“…Functional feeding group Oviposition. We note that oviposition has been treated as a functional feeding group in the fossil plant-insect associational literature (e.g., Labandeira et al, 2007Labandeira et al, , 2016a, a practice that is attributable to the feeding-like damage that it causes and a persistent fossil record analogous to other functional feeding groups (Ding et al, 2015).…”

Section: Measurementsmentioning

confidence: 97%

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The natural history of oviposition on a ginkgophyte fruit from the Middle Jurassic of northeastern China

et al. 2017

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A distinctive pattern of oviposition lesions occurs on a ginkgoalean seed, Yimaia capituliformis, which likely was inflicted by a kalligrammatid lacewing with a long, sword-like, plant-piercing ovipositor. This newly recorded oviposition type, DT272, occurs in the 165 million-year-old Jiulongshan Formation, of Middle Jurassic age, in Northeastern China. DT272 consists from three to seven, approximately equally spaced lesions with surrounding callus tissue, the fabricator of which targeted fleshy outer and inner tissues of a ginkgophyte fruit. This distinctive damage also is known from the fleshy attachment pad surfaces of basal bennettitalean bracts. Examination of the life history of this probable ginkgoalean-kalligrammatid oviposition interaction indicates that the spacing of the eggs in substrate tissues disfavored inter-larval contact, but little can be said of defense and counterdefense strategies between the plant host and the newly hatched immatures.

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“…Subsampling can be conducted in one of two ways. Subsampling can occur after data collection with the aim of standardizing sampling procedures (Droissert et al, 2012) or can occur before data collection, with the aims of standardizing sampling procedures and reducing collection effort (Bowen and Freeman, 1998). Subsampling is standard practice among neontologists; for example, transects and quadrats are very commonly used to subsample extant populations and communities (Pilliod and Arkle, 2013).…”

Section: Subsampling Of Ecological Datamentioning

confidence: 99%

Sampling fossil floras for the study of insect herbivory: how many leaves is enough?

2020

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Abstract. Despite the great importance of plant–insect interactions to the functioning of terrestrial ecosystems, many temporal gaps exist in our knowledge of insect herbivory in deep time. Subsampling of fossil leaves, and subsequent extrapolation of results to the entire flora from which they came, is practiced inconsistently and according to inconsistent, often arbitrary criteria. Here we compare herbivory data from three exhaustively sampled fossil floras to establish guidelines for subsampling in future studies. The impact of various subsampling routines is evaluated for three of the most common metrics of insect herbivory: damage type diversity, nonmetric multidimensional scaling, and the herbivory index. The findings presented here suggest that a minimum fragment size threshold of 1 cm2 always yields accurate results and that a higher threshold of 2 cm2 should yield accurate results for plant hosts that are not polyphyletic form taxa. Due to the structural variability of the plant hosts examined here, no other a priori subsampling strategy yields consistently accurate results. The best approach may be a sequential sampling routine in which sampling continues until the 100 most recently sampled leaves have caused no change to the mean value or confidence interval for damage type diversity and have caused minimal or no change to the herbivory index. For nonmetric multidimensional scaling, at least 1000 cm2 of leaf surface area should be examined and prediction intervals should be generated to verify the relative positions of all points. Future studies should evaluate the impact of subsampling routines on floras that are collected based on different criteria, such as angiosperm floras for which the only specimens collected are those that are at least 50 % complete.

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Insect herbivory, plant-host specialization and tissue partitioning on mid-Mesozoic broadleaved conifers of Northeastern China

Cited by 39 publications

References 27 publications

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

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

The natural history of oviposition on a ginkgophyte fruit from the Middle Jurassic of northeastern China

Sampling fossil floras for the study of insect herbivory: how many leaves is enough?

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