A centipede nymph in Baltic amber and a new approach to document amber fossils

Haug, Joachim T.; Müller, Carsten H. G.; Sombke, Andy

doi:10.1007/s13127-013-0129-3

Cited by 42 publications

(32 citation statements)

References 48 publications

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“…To avoid reflexions, polarisation filters were fixed in front of flashes and objective, resulting in cross-polarised light. To reduce distortions based on irregularities, convexities, concavities or scratches of the amber surface, a drop of glycerine was applied and covered by a cover slip (e.g., HAuG et al 2013b;HörniG et al 2016).…”

Section: Documentation Methodsmentioning

confidence: 99%

Caught in the act of hatching – a group of heteropteran nymphs escaping from their eggs preserved in Dominican amber

Hörnig¹,

Fischer²,

Haug³

2019

Palaeodiversity

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Section: Documentation Methodsmentioning

confidence: 99%

Caught in the act of hatching – a group of heteropteran nymphs escaping from their eggs preserved in Dominican amber

Hörnig¹,

Fischer²,

Haug³

2019

Palaeodiversity

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“…Virtual surfaces based on the unsharpness of the images were calculated for certain specimens. Although this method may produce certain artefacts due to the transparency of the amber, it provides additional topological information of the specimen (for methods see also Haug et al 2013bHaug et al , 2015bHörnig et al 2016).…”

Section: Methodsmentioning

confidence: 99%

A group of assassin fly pupae preserved in a single piece of Eocene amber

Haug¹,

Nagler²,

Haug³

et al. 2017

Bull. Geosci.

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Holometabolous insects represent a mega-diverse group of organisms that are dominant in most terrestrial faunas. All holometabolous insects develop via a specific transitory stage between the last larval stage and the adult, called the pupa. While insects in general have a comparably good fossil record, fossils of pupae of holometabolous insects are relatively rare. We report here four pupal specimens preserved in a single piece of amber. These represent pupa stages of assassin flies, Asilidae, and are most likely representatives of Laphriinae. While dipterans are quite common in the fossil record, especially in amber, representatives of Asilidae are comparably rare. Combining the rarity of the systematic group and the rarity of the specific life stage, these fossil remains of assassin fly pupae are extremely unusual; to date only a single specimen has been depicted in the literature. We discuss the importance of our new finding and possible interpretations regarding behavioural aspects of the group enclosed in amber.

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“…The specimen has been documented with different imaging techniques. In all cases distilled water was used as immersion liquid and a cover slip was placed on top of the amber piece to create an even surface, further reducing distortions (Haug, Müller & Sombke, 2013).…”

Section: Documentation and Image Processingmentioning

confidence: 99%

An unusual 100-million-year old holometabolan larva with a piercing mouth cone

Haug

Schädel

Baranov

et al. 2020

PeerJ

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Holometabola is a hyperdiverse group characterised by a strong morphological differentiation between early post-embryonic stages (= larvae) and adults. Adult forms of Holometabola, such as wasps, bees, beetles, butterflies, mosquitoes or flies, are strongly differentiated concerning their mouth parts. The larvae most often seem to retain rather plesiomorphic-appearing cutting-grinding mouth parts. Here we report a new unusual larva preserved in Burmese amber. Its mouth parts appear beak-like, forming a distinct piercing mouth cone. Such a morphology is extremely rare among larval forms, restricted to those of some beetles and lacewings. The mouth parts of the new fossil are forward oriented (prognathous). Additionally, the larva has distinct subdivisions of tergites and sternites into several sclerites. Also, the abdomen segments bear prominent protrusions. We discuss this unusual combination of characters in comparison to the many different types of holometabolan larvae. The here reported larva is a new addition to the ‘unusual zoo’ of the Cretaceous fauna including numerous, very unusual appearing forms that have gone extinct at the Cretaceous–Palaeogene boundary.

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A centipede nymph in Baltic amber and a new approach to document amber fossils

Cited by 42 publications

References 48 publications

Caught in the act of hatching – a group of heteropteran nymphs escaping from their eggs preserved in Dominican amber

Caught in the act of hatching – a group of heteropteran nymphs escaping from their eggs preserved in Dominican amber

A group of assassin fly pupae preserved in a single piece of Eocene amber

An unusual 100-million-year old holometabolan larva with a piercing mouth cone

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