scholarly journals Protanthomyza grimaldii sp. nov., a further member of the extinct subfamily Protanthomyzinae (Diptera, Anthomyzidae) from Baltic amber

ZooKeys ◽  
2020 ◽  
Vol 973 ◽  
pp. 1-15
Author(s):  
Jindřich Roháček
Keyword(s):  
New Species ◽  
Baltic Amber ◽  
Fossil Species ◽  
Male And Female ◽  
Adult Morphology ◽  
Fore Femur ◽  
The Rich

A new fossil species, Protanthomyza grimaldiisp. nov. (Diptera, Anthomyzidae), is described from Baltic amber (Eocene, 48–34 Ma) based on two (male and female) inclusions. It is the ninth species of the †genus Protanthomyza Hennig, 1965 and †subfamily Protanthomyzinae Roháček, 1998. Adult morphology of P. grimaldiisp. nov. revealed that the rich chaetotaxy of the thoracic pleuron, two anal veins and presence of the anteroventral process of the epandrium are plausibly shared by all species of Protanthomyza. Relationships of the new species, which belongs to a group lacking the ctenidial spine on the fore femur, are discussed.

Protanthomyza ryszardi sp. nov., another Eocene species of †Protanthomyzinae (Diptera: Anthomyzidae) from Baltic amber

2020 ◽  
Vol 3 (5) ◽  
pp. 473-482
Author(s):  
JINDŘICH ROHÁČEK ◽  
CHRISTEL HOFFEINS
Keyword(s):  
New Species ◽  
Morphological Characters ◽  
Baltic Amber ◽  
Fossil Species ◽  
Fore Femur ◽  
Extinct Genus

A new fossil species of Anthomyzidae (Diptera), viz. Protanthomyza ryszardi sp. nov. is described from Baltic amber (Eocene, 48–34 Ma) on the basis of one male and one female inclusion found in the same amber specimen. This is the tenth species of the extinct genus Protanthomyza Hennig, 1965 and extinct subfamily Protanthomyzinae Roháček, 1998. It belongs to a group lacking a ctenidial spine on fore femur. Based on analysis of morphological characters the relationships of the new species are discussed. Its discovery expands again the diversity of Anthomyzidae known to occur in the Eocene ‘Baltic amber forestʼ.

A new species of Lonchodryinus (Hymenoptera, Dryinidae) from Upper Eocene Baltic amber

Zootaxa ◽  
2021 ◽  
Vol 5020 (2) ◽  
pp. 328-336
Author(s):  
MASSIMO OLMI ◽  
DMITRY V. VASILENKO ◽  
LEONARDO CAPRADOSSI ◽  
EVGENY E. PERKOVSKY ◽  
ADALGISA GUGLIELMINO
Keyword(s):  
New Species ◽  
Fore Wing ◽  
Baltic Amber ◽  
Upper Eocene ◽  
Fossil Species ◽  
Extant Species ◽  
A New Species

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.  

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
Keyword(s):  
New Species ◽  
Fossil Record ◽  
Species Group ◽  
Morphological Features ◽  
Baltic Amber ◽  
Sister Taxon ◽  
Death Process ◽  
Fossil Species

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.

A new fossil species of Euroleptochromus Jałoszyński (Coleoptera: Staphylinidae: Scydmaeninae) from Eocene Baltic amber

Zootaxa ◽  
2018 ◽  
Vol 4500 (1) ◽  
pp. 146
Author(s):  
ZI-WEI YIN ◽  
CHEN-YANG CAI
Keyword(s):  
New Species ◽  
The Body ◽  
Baltic Amber ◽  
Body Parts ◽  
Fossil Species ◽  
First Time ◽  
A New Species

A new species of the extinct scydmaenine genus Euroleptochromus Jałoszyński (Mastigitae: Leptochromini), E. tuberculatus Yin & Cai, sp. nov., is described from Eocene Baltic amber. It can be separated from the two previously known congeners by the different proportions of the body parts and spination of the profemur, and more importantly, lack of an elongate postgenal process of the head. Our finding demonstrates for the first time a notable variability of the postgenal structures within Euroleptochromus. 

A second fossil species of the enigmatic rove beetle genus Charhyphus in Eocene Baltic amber, with implications on the morphology of the female genitalia (Coleoptera: Staphylinidae: Phloeocharinae)

2021 ◽  
pp. 1-12
Author(s):  
Shûhei YAMAMOTO ◽  
Alexey V. SHAVRIN ◽  
Kristaps KAIRIŠS
Keyword(s):  
New Species ◽  
Body Part ◽  
The Body ◽  
Baltic Amber ◽  
Micro Computed Tomography ◽  
Single Male ◽  
Fossil Species ◽  
Rove Beetles ◽  
Rove Beetle ◽  
Extant Species

ABSTRACT Phloeocharinae is a small and likely non-monophyletic subfamily of rove beetles. The enigmatic genus Charhyphus Sharp, 1887 has long been placed in Phloeocharinae, whereas recent studies have found it to be phylogenetically very distant from the core members of this subfamily, suggesting the possibility that it actually deserves its own separate subfamily status. So far, the sole definitive fossil record for Charhyphus is known based on a single male from Eocene Baltic amber as represented by †Charhyphus balticus Shavrin, 2020. Here, we describe and illustrate another new Charhyphus species, †Charhyphus serratus sp. nov. Yamamoto & Shavrin, from Baltic amber based on a well-preserved female fossil. Considering the general proportions of the body and the head, this new species is most similar to †C. balticus. The new species differs from all known species by the development of strong serration of the lateral edges of the pronotum and features of the shape of the apical margin of the mesoventrite. By using X-ray micro-computed tomography, we succeeded in visualising not only the general habitus but also each individual body part, recovering a previously undocumented sclerite on the female internal genital segments in the genus. Morphological features of extinct and extant species of Charhyphus are briefly discussed. Figures of all extant Charhyphus species and a key for the genus are also provided. Our study is important for considering possible higher palaeodiversity, more common occurrence, and palaeobiogeography of Charhyphus.

scholarly journals New fossil stilt-legged mites of Neophyllobius Berlese, 1886 (Acariformes, Camerobiidae) from Eocene Baltic amber

2020 ◽  
Vol 94 (4) ◽  
pp. 696-715 ◽  
Author(s):  
Mateusz Zmudzinski
Keyword(s):  
New Species ◽  
Fossil Record ◽  
Baltic Amber ◽  
Fossil Species ◽  
The Family

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

scholarly journals Two Eocene species of Culiseta (Diptera: Culicidae) from the Kishenehn Formation in Montana

Zootaxa ◽  
2012 ◽  
Vol 3530 (1) ◽  
pp. 25 ◽  
Author(s):  
RALPH E. HARBACH ◽  
DALE GREENWALT
Keyword(s):  
New Species ◽  
Baltic Amber ◽  
Fossil Species ◽  
Extant Species

Culiseta kishenehn, sp. n. and Cs. lemniscata, sp. n. (Diptera: Culicidae: Culisetini) are described from compression fos-sils from the 46 million year old Kishenehn shale deposits in Montana, USA. The new species appear to share featureswith extant species of subgenera Climacura and Culicella, respectively. The antiquity of Culiseta is examined and previ-ously described Eocene fossil species are discussed. Eoaedes gen. n. and Aetheapnomyia gen. n. are established for Aedes damzeni Podėnas and Ae. hoffeinsorum Szadziewski, two Eocene fossil species in Baltic amber.

A new species of Pristaulacus Kieffer (Hymenoptera: Aulacidae) from Baltic amber

2009 ◽  
Vol 40 (2) ◽  
pp. 201-207 ◽  
Author(s):  
Lars Krogmann ◽  
John Jennings
Keyword(s):  
New Species ◽  
Baltic Amber ◽  
Fossil Species ◽  
The Third ◽  
A New Species

AbstractFossil species of Pristaulacus are uncommon, with just two known species, P. mandibularis Brues and P. praevolans Brues from Baltic amber, and three species, P. bradleyi (Brues), P. rohweri Brues and P. secundus (Cockerell), from the Florissant fossil beds, Colorado, USA. Here we provide a detailed description of Pristaulacus velteni sp.n., the third fossil species known from Baltic amber.

scholarly journals Recent discoveries of new Elephantomyia (Diptera, Limoniidae) fossils in Baltic amber

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Iwona Kania-Kłosok ◽  
Wiesław Krzemiński
Keyword(s):  
New Species ◽  
The Other ◽  
Baltic Amber ◽  
Morphological Pattern ◽  
Fossil Species ◽  
New Subgenus ◽  
Taxonomic Decision ◽  
D Cell ◽  
One New Species ◽  
Specific Food

AbstractNew data on the genus Elephantomyia (Diptera: Limoniidae) from Baltic amber are presented. A new subgenus Hoffeinsonia subgen. nov. is established with one new species: Elephantomyia (Hoffeinsonia) prima sp. nov. The new subgenus is characterized by a wing at most 2.5 × as long as it is wide without a darker pattern along the veins Sc and R1, elongate Sc, straight vein R1, sharp half of vein R2+3+4 sharply arched to the upper edge of the wing, short, wide, trapezoidal d-cell and oval pterostigma. The fossil subgenus Hoffeinsonia subgen. nov. shares features with the extant subgenera Elephantomyodes and Elephantomyia. One other extinct species of Elephantomyia was discovered and described herein as E. (s. str.) christelae sp. nov. Such features as a very elongate vein R2+3+4, 2.5 × as long as the Rs easily allowing this new species to be distinguished from the other fossil representatives of the genus Elephantomyia. The taxonomic decision on Elephantomyia grata as a species placed in nominative subgenus is provided. A list and key of fossil species of Elephantomyia are given. The morphological pattern of the genus is discussed in relation to the adaptation to a specific food spectrum, coevolution with Angiospermae of the representative genus Helius known since Cretaceous and closely related to this genus representatives of the much younger genus Elephantomyia.

scholarly journals A fossil species of the primitive mymarid genus Borneomymar (Hymenoptera: Mymaridae) in Eocene Baltic amber

2013 ◽  
pp. 1 ◽  
Author(s):  
Michael S. Engel ◽  
Ryan C. McKellar ◽  
John T. Huber
Keyword(s):  
New Species ◽  
Middle Eocene ◽  
Baltic Amber ◽  
Fossil Species ◽  
Extant Species

A new fossil species of fairyfly (Hymenoptera: Chalcidoidea: Mymaridae) is described and figured from a well-preserved female in middle Eocene (Lutetian) Baltic amber as Borneomymar pankowskiorum Engel, McKellar, & Huber, new species.  This species represents the fourth genus from Baltic amber whose extant species now occur only in southeastern Asia, Australia and Madagascar.

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