Pinguisoperla, a new fossil genus of Perlidae (Insecta: Plecoptera) from mid-Cretaceous Burmese amber

Zootaxa ◽  
2018 ◽  
Vol 4425 (3) ◽  
pp. 596 ◽  
Author(s):  
ZHI-TENG CHEN

A new fossil stonefly genus and species of the family Perlidae, Pinguisoperla yangzhouensis gen. et sp. nov., is proposed as the second known genus from mid-Cretaceous Burmese amber. The new genus is characterized by its dark coloration and the basally enlarged and curved cerci. Morphological characters of the new genus and species are described, illustrated, and compared with related taxa. 

Insects ◽  
2021 ◽  
Vol 12 (10) ◽  
pp. 887
Author(s):  
Yuxin Wang ◽  
Huiying Tang ◽  
Dong Ren ◽  
Yunzhi Yao

A new genus and species, Latidorsum carinbifarium Wang, Tang & Yao gen. et sp. nov., is assigned to Phatnomatini (Tinginae), which is described from the mid-Cretaceous Burmese amber. A parsimonious analysis based on 50 morphological characters with 26 terminals clarifies the phylogenetic status of the new fossils and examined relationships among the presently analysed genera of the family Tingidae. The resulting cladogram supporting Tingidae are reconfirmed as monophyletic and divided into four main clades, with relationships as follows: (Vianaidinae + ((Burmacader multivenosus + Burmavianaida anomalocapitata) + (Sinaldocader rasnitsyni + (Gyaclavator kohlsi + Tinginae + Cantacaderinae)))). Anterior length of bucculae distinctly projecting in front of head, sometimes in contact is not a synapomorphic character for Cantacaderinae, which evolves in parallel in Tinginae and Cantacaderinae.


2020 ◽  
Vol 189 (4) ◽  
pp. 1232-1248
Author(s):  
Grey T Gustafson ◽  
Mariano C Michat ◽  
Michael Balke

Abstract Burmese amber is well known for preserving unique extinct lineages of insects. Here, we describe a new fossil beetle in its larval stage from Burmese amber. Bayesian and parsimony phylogenetic analysis of 50 morphological characters support this fossil as being sister to both the tribes Dineutini and Orectochilini, representing an extinct stem lineage in Gyrininae. It is described here as a new genus and species of whirligig beetle, Chimerogyrus gigagalea gen. & sp. nov., a taxon that preserves remarkable intermediate features between the whirligig beetle tribe Gyrinini and the crown Orectochilini and Dineutini. This new taxon preserves key features for studying the evolution of characters within the larval stage of the Gyrinidae and highlights the importance of Burmese amber for preserving both stem and crown lineages present during the mid-Cretaceous, before the end-Cretaceous mass extinction event.


Zootaxa ◽  
2018 ◽  
Vol 4407 (3) ◽  
pp. 427
Author(s):  
SHAN LIN ◽  
YUNZHI YAO ◽  
DONG REN

A new genus and species of the extinct family Weitschatidae, Criniverticillus longicumulus gen. et sp. nov. (Hemiptera: Coccomorpha), is described and illustrated from mid-Cretaceous Burmese amber. The new species is based on a fossil specimen with complete body, wings and antennae. The family diagnosis is updated to include similarities between Criniverticillus, Pseudoweitschatus and Weitschatus. An identification key to species of Weitschatidae is provided. 


Zootaxa ◽  
2011 ◽  
Vol 2811 (1) ◽  
pp. 47 ◽  
Author(s):  
G. V. NIKOLAJEV ◽  
BO WANG ◽  
HAICHUN ZHANG

Lithohypna chifengensis, new genus and species of the family Glaphyridae MacLeay, 1819 is described and illustrated from the Lower Cretaceous Yixian Formation of Liutiaogou of Inner Mongolia, China.


Zootaxa ◽  
2018 ◽  
Vol 4399 (4) ◽  
pp. 553
Author(s):  
ZDENĚK ĎURIŠ

Madeirasquilla tuerkayi is described as a new genus and species of the nannosquillid mantis shrimps (Stomatopoda) based on a single specimen collected from Madeira, eastern Atlantic. That specimen is remarkable by a combination of the following morphological characters: rostral plate with three sharp anterior projections; antennal protopod with two mesial and one ventral papillae; cornea subglobular; raptorial claw dactylus with 11 or 12 teeth, and with acute proximal tooth on outer margin; pleonite 6 with strong posterolateral spine and two posteriorly directed sternal spines; telson bearing smooth shield-like dorsal prominence with acute median spine posteriorly; four pairs of fixed primary teeth posteriorly on the telson; outer primary spine of uropodal protopod longer than inner primary spine. The separate position of the new genus is supported also by molecular comparison. A key to the genera of the family Nannosquillidae is proposed. 


2019 ◽  
Vol 2 (3) ◽  
pp. 262-270 ◽  
Author(s):  
ERIK TIHELKA ◽  
DIYING HUANG ◽  
CHENYANG CAI

With over 4,600 species distributed worldwide, the net-winged beetles belong among the most speciose elateroid lineages. Despite this, beetles of the family Lycidae are rare in the fossil record. A new genus and species of Lycidae, Cretolycus praecursor gen. et sp. nov., is herein described based on a single specimen preserved in mid-Cretaceous Burmese amber. Cretolycus praecursor represents the second known lycid from the Mesozoic. A new tribe, Cretolycini trib. nov., is erected for the species, characterised by 11-segmented filiform antennae, 3-segmented labial palpi with an enlarged apical palpomere, and elytra without costae. A catalogue of fossil net-winged beetles is appended.


2021 ◽  
Vol 2 (1) ◽  
Author(s):  
George Poinar Jr. ◽  
Fernando E. Vega

A new genus and species of apsilocephalid flies, Cascomixticus tubuliferous gen. et sp. nov. (Diptera: Asiloidea: Apsilocephalidae) is described from Burmese amber. Assignment to the Apsilocephalidae is based on the wing venation that is very similar to extant members of the family. The present fossil differs from known genera of this family by a long labellum bearing tactochemical papillae, a long tubular hypopharynx and a pointed labrum as well as the structure of the scape and pedicel. The long, tubular hypopharynx may have been used to obtain nectar from angiosperm flowers, however the function of the sharp-tipped labrum is unknown.


2020 ◽  
Vol 298 (3) ◽  
pp. 319-329
Author(s):  
George Poinar ◽  
Alex E. Brown

A new genus and species of the family Dinglidae Szwedo & Drohojowska , 2020 (Hemiptera: Sternorrhyncha), Alloeopterus anomeotarsus, is described from mid-Cretaceous Burmese amber. The new genus is characterized by a simplified forewing venation with thick veins of R and M+Cu emerging separately from the wing base, a diffuse pterostigma close to termination of RA vein, reduced vein A1, veins M and Cu unbranched, a reduced clavus, a small hindwing with a costal margin and terminal R vein weakened in apical portion; a long first flagellomere, approximately 1.5 times as long as the second flagellomere and rhinaria with sensory pits on the apex of the pedicel and flagellomeres 5 and 6. The fossil increases our knowledge of the morphological variation that occurred during the evolution of Cretaceous Sternorrhynchia.


Author(s):  
Erik TIHELKA ◽  
Diying HUANG ◽  
Chenyang CAI

ABSTRACTMicromalthidae is a small relictual family of archostematan beetles that is well known for its unusual asexual reproductive system characterised by parthenogenetic, viviparous, larviform females and sterile adults. Here we describe the first micromalthid beetle from mid-Cretaceous Burmese amber (ca.100Ma). Protomalthus burmaticus gen. et sp. nov. differs from all presently known micromalthid beetles by the presence of distinct frontoclypeal, labroclypeal, and medicranial sutures. The finding represents the first Mesozoic record of an adult micromalthid beetle and confirms a Gondwanan distribution of the family during the Cretaceous. A list of micromalthid beetles is provided, together with a key to extant and fossil species.


1994 ◽  
Vol 25 (2) ◽  
pp. 137-149 ◽  
Author(s):  
R.J. Rayner ◽  
G. Kuschel ◽  
R.G. OBERPRIELER

AbstractThe mid-Cretaceous weevil fossils from the Orapa Diamond Mine in Botswana are studied, and a new genus and species, Orapaeus cretaceus Kuschel & Oberprieler, is described. This fossil genus is placed in the tribe Eurhynchini of Brentidae and compared with the two extant genera of the tribe. With the discovery of Orapaeus, the family Brentidae can, for the first time, be traced back to Cretaceous times, and there is evidence that the brentid subfamilies and perhaps also the tribes were already differentiated by the Middle Cretaceous. By contrast, the modern families of angiosperm plants were evidently not yet established by then. In consideration of the palaeoflora of Orapa, it is concluded that the environment probably was tropical and the area well vegetated, but that no clues are present as to the likely hostplant(s) of Orapaeus. The differences between Orapaeus and the extant Eurhynchini suggest that the fossil insect fauna of Orapa is generally assignable to extinct forms, and these differences do not support a hypothesis of prolonged evolutionary stasis.


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