A new fossil species of the genus Limodromus Motschulsky, 1850 (Coleoptera: Carabidae: Platynini) from Baltic amber with remarks on its death process

2018 ◽  
Vol 49 (4) ◽  
pp. 399-408
Author(s):  
Sara Gamboa ◽  
Vicente M. Ortuño

Limodromus emetikos sp. n. (Coleoptera: Carabidae) is described and illustrated from Baltic amber (Eocene). Based on its morphological features, the new species is considered a sister taxon of the extant Holarctic assimilis species group. Furthermore, the specimen described here could represent a case of stress-triggered regurgitation, which would represent the first fossil record of such a process in beetles.

2020 ◽  
Vol 94 (4) ◽  
pp. 696-715 ◽  
Author(s):  
Mateusz Zmudzinski

AbstractThe fossil record of the family Camerobiidae has been represented by only one species, Neophyllobius succineus Bolland and Magowski, 1990, described from Eocene Baltic amber. These prostigmatan mites are distinguishable by their distinctly long and slender stilt-like legs, and they are associated with aboveground vegetation where they hunt for other small invertebrates. This paper enhances the knowledge of fossil stilt-legged mites. Two new fossil species, N. electrus new species and N. glaesus new species, are described from samples of Baltic amber, and remarks on their morphology and taphonomy are provided. The discovery is complemented with a discussion on morphological singularities (the shape of the prodorsum, the location of setae h1 and h2 in living specimens, and lengths of genual setae), an anomaly of hypertrophied seta (found in the N. glaesus holotype), and some biogeographical issues.UUID: http://zoobank.org/d1602384-ae4f-4f90-b4a1-6cdedd77c9e1


2021 ◽  
pp. 1-8
Author(s):  
Andrei A. Legalov ◽  
Vitaliy Yu. Nazarenko ◽  
Dmitry V. Vasilenko ◽  
Evgeny E. Perkovsky

Abstract The beetle Ceutorhynchus is used as a proxy for Eocene core Brassicaceae. The age of Brassicaceae has been strongly debated because their fossil record is scanty. There are four species of Ceutorhynchus inaffectatus species-group known in the Priabonian: Ceutorhynchus zerovae new species in Rovno amber and three in Baltic amber. There are numerous extant members of the group, all of which feed on core Brassicaceae. Together with differentiation of Brassicaceae-feeding Pierinae (Lepidoptera) in the Priabonian, the strong presence of Ceutorhynchus indicates at least an early Priabonian age of core Brassicaceae. The oldest fossil Brassicaceae is not known in the late Eocene of Europe, but was recorded in Montana, dated in some studies as late Oligocene, but recently as Priabonian (34 Ma). Ceutorhynchus zerovae n. sp. is very close to C. electrinus from Baltic amber. UUID: http://zoobank.org/7f10761f-463d-44c5-9eef-bb4697bfb116.


2008 ◽  
Vol 82 (2) ◽  
pp. 313-328 ◽  
Author(s):  
Carden C. Wallace

Five new species of the highly successful reef-building coral genus Acropora are described from Eocene locations in England and France (Acropora britannica, A. alvarezi, A. wilsonae, A. bartonensis, and A. proteacea) and additional records are given for six fossil species (A. deformis, A. anglica, A. solanderi, A. roemeri, A. lavandulina, and A. ornata), based on re-examination of material in the collections of the Natural History Museum, London. Specimens came from the Lutetian (49.0 to 41.3 Ma) of France, Bartonian (41.4 to 37.0 Ma) of England and France and Priabonian (36.0-34.2 Ma) of England. Included are the earliest record of a species with tabular or plate-like colonies similar to those in the modern “hyacinthus” species group (A. proteacea n. sp.) and the earliest records of simple hispidose forms (A. bartonensis n. sp. and A. roemeri), similar to those in the modern “florida” species group. The Priabonian material from southern England (A. brittanica n. sp. and A. anglica) shows the earliest occurrence of two sturdy species groups, the “humilis II” and “robusta” groups respectively, which now occur together on reef fronts throughout the modern Indo-Pacific. The new descriptions and records contribute to evidence that the genus diversified rapidly after its appearance in the fossil record. This diversification may have contributed to the rapid speciation and dispersal, observed in this genus during the Neogene, culminating in its extraordinary dominance of modern Indo-Pacific reefs.


Zootaxa ◽  
2019 ◽  
Vol 4550 (4) ◽  
pp. 565 ◽  
Author(s):  
ANDRIS BUKEJS ◽  
VITALII I. ALEKSEEV ◽  
DAVID M.L. COOPER ◽  
GAVIN A. KING ◽  
RYAN C. MCKELLAR

Based on a well-preserved specimen from Eocene Baltic amber, the second fossil species belonging to the genus Pycnomerus Erichson (Coleoptera: Zopheridae: Zopherinae), P. agtsteinicus Bukejs, Alekseev & McKellar sp. nov. is described and illustrated using synchrotron X-ray micro-CT observations. The new species adds to the sparse fossil record of Pycnomerus, which consists of the Baltic amber discoveries, and only four subfossil records in sediments that are less than one million years old. As part of this work, the new replacement name Pycnomerus lordi Bukejs, Alekseev & McKellar nom. nov. is also established for the extant species Pycnomerus sulcicollis LeConte, 1863 [non Pycnomerus sulcicollis (Germar, 1824)]. 


ZooKeys ◽  
2019 ◽  
Vol 898 ◽  
pp. 1-26
Author(s):  
Roman J. Godunko ◽  
Christian Neumann ◽  
Arnold H. Staniczek

The Siphloplecton jaegeri species group is established here for three extinct species, namely for the earlier described Siphloplecton jaegeri Demoulin, 1968, and for two new species from Eocene Baltic amber, Siphloplecton landoltisp. nov. and Siphloplecton studemannaesp. nov. Based on the well-preserved specimens of these species, a diagnosis is provided for the newly established species group. Representatives of the S. jaegeri species group are characterized by the presence of large, medially contiguous eyes, stout pointed setae along the outer margin of the foretibia, three intercalaries in the cubital field of the forewing, and elongated penis lobes, which are apically triangular or rounded, medially contiguous, and with a V-shaped cleft apically. Further new specimens of the S. jaegeri species group are documented that cannot be attributed to species level due to their poor preservation. Finally, a key to male adults of fossil species of Siphloplecton is given.


Zootaxa ◽  
2010 ◽  
Vol 2692 (1) ◽  
pp. 61 ◽  
Author(s):  
JAMES E. JEPSON ◽  
DAVID PENNEY ◽  
DAVID I. GREEN

A new species of brown lacewing (Insecta: Neuroptera: Hemerobiidae) is described from Eocene Baltic amber. Sympherobius siriae sp. nov. is the second fossil species of the genus so far described. The other, Sympherobius completus Makarkin et Wedmann is also from Baltic amber. The fossil record of Hemerobiidae is reviewed.


Zootaxa ◽  
2019 ◽  
Vol 4656 (3) ◽  
pp. 596-600
Author(s):  
GIORGIO SABELLA ◽  
FABIO MASSIMO VIGLIANISI ◽  
VERA D’URSO

Tychus meggiolaroi sp. n. from Lebanon is described and illustrated. It belongs to the Tychus cilicicus species group (Sabella & Kurbatov 2002) and can be readily distinguished from related taxa by the different structure of the aedeagus and morphological features of antennae. 


Zootaxa ◽  
2021 ◽  
Vol 5020 (2) ◽  
pp. 328-336
Author(s):  
MASSIMO OLMI ◽  
DMITRY V. VASILENKO ◽  
LEONARDO CAPRADOSSI ◽  
EVGENY E. PERKOVSKY ◽  
ADALGISA GUGLIELMINO

Lonchodryinus groehni sp. nov. (Hymenoptera: Chrysidoidea: Dryinidae) is described from Baltic amber. The new species is close to L. balticus Olmi & Guglielmino, 2012, but it can be distinguished for the different OPL/POL ratio and 2r-rs&Rs vein of the fore wing. A key to the fossil species of Lonchodryinus and a comparison with the extant species L. ruficornis (Dalman, 1818) are presented.  


Zootaxa ◽  
2017 ◽  
Vol 4254 (5) ◽  
pp. 520 ◽  
Author(s):  
KAZUKI KURITA ◽  
HIDETOSHI OTA ◽  
TSUTOMU HIKIDA

A new scincid lizard, Plestiodon takarai sp. nov., is described from the Senkaku Group, Ryukyu Archipelago, Japan. The Plestiodon lizards in this island group have previously been identified as P. elegans because they all exhibit a patch of enlarged and irregularly arranged scales on the posterior surface of their femurs. However, detailed molecular analyses revealed that the Senkaku population, although closely related to P. elegans and other species in the P. latiscutatus species group, is substantially diverged from all other recognized species. Furthermore, although the Senkaku population largely exhibits the characteristic morphological features of this species group, it can be differentiated from all recognized species by the scutellation and hatchling tail coloration. The biogeographical and conservation implications of these findings are briefly discussed. 


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