The Darwin wasps (Hymenoptera: Ichneumonidae) of Burmese amber

2021 ◽  
Vol 4 (6) ◽  
Author(s):  
DMITRY S. KOPYLOV ◽  
QI ZHANG ◽  
HAI-CHUN ZHANG
Keyword(s):  

Three new genera and five new species of Darwin wasps (Ichneumonidae) are described from the mid-Cretaceous Burmese (Kachin) amber: Heteropimpla pulverulenta sp. nov., Rasnichneumon alexandri gen. et sp. nov., R. gracilis sp. nov., Heteroichneumon rasnitsyni gen. et sp. nov., and Rogichneumon braconidicus gen. et sp. nov. The genus Heteropimpla is transferred to Novichneumoninae. The subfamily Novichneumoninae, comprising 6 genera with 8 species, is endemic to Burmese amber, and no other subfamilies of Ichneumonidae are known in the Burmese assemblage. Ichneumonids are extremely rare in Burmese amber, as well as in other Cretaceous amber faunas. However, nine known specimens represent nine different species (one is not formally described due to poor preservation), indicating a serious paleontological record gap for Burmese Darwin wasps.

Diversity ◽  
2018 ◽  
Vol 11 (1) ◽  
pp. 1 ◽  
Author(s):  
Dave Clarke ◽  
Ajay Limaye ◽  
Duane McKenna ◽  
Rolf Oberprieler

Only a few weevils have been described from Burmese amber, and although most have been misclassified, they show unusual and specialised characters unknown in extant weevils. In this paper, we present the results of a study of a much larger and more diverse selection of Burmese amber weevils. We prepared all amber blocks to maximise visibility of structures and examined these with high-magnification light microscopy as well as CT scanning (selected specimens). We redescribe most previously described taxa and describe 52 new species in 26 new genera, accompanied by photographs. We compare critical characters of these weevils with those of extant taxa and outline the effects of distortion on their preservation and interpretation. We conclude that only two weevil families are thus far represented in Burmese amber, Nemonychidae and a newly recognised family, Mesophyletidae, which appears closely related to Attelabidae but cannot be accommodated in this family. The geniculate antennae and long rostrum with exodont mandibles of most Mesophyletidae indicate that they were highly specialised phytophages of early angiosperms preserved in the amber, likely ovipositing in flowers or seeds. This weevil fauna appears to represent an extinct mid-Cretaceous ecosystem and fills a critical gap in the fossil record of weevils.


Zootaxa ◽  
2017 ◽  
Vol 4320 (1) ◽  
pp. 100 ◽  
Author(s):  
RÜDIGER WAGNER

Bruchomyiinae from Burmese, Baltic, and Caribbean amber are revised. Five new species from Baltic, one from Caribbean and three from Burmese amber are described. Based on recently discovered specimens, additional details and corrections for previously described species are provided. Six species from Baltic amber were combined in Hoffeinsodes gen. nov. (Hoffeinsodes obtusa sp. nov., H. bifida sp. nov., H. cubicula sp. nov., H. longicauda sp. nov., H. reducta sp. nov. and H. hoffeinsi (Wagner 2006) comb. nov.), based on the fusion of gonocoxites and hypandrium, and a laterally expanded epandrium with posterolateral lobes. Genus Palaeosycorax Meunier, 1905 is re-validated, with Palaeosycorax inexpetatus (Wagner, 2012) comb. nov. included. Caribbean amber species Boreofairchildia dominicana sp. nov. and B. hennigianus (Schlüter, 1978) comb. nov. are congeneric with extant genus Boreofairchildia Wagner & Stuckenberg, 2016. Three new and two described species from Burmese amber are combined in Palaeoglaesum gen. nov. (Palaeoglaesum quadrispiculatum (Stebner et al., 2015) comb. nov., P. velteni (Wagner, 2012) comb. nov., P. muelleri sp. nov., P. bisulcum sp. nov., P. notandum sp. nov.), based on their small size relative to other Bruchomyiinae, and presence of a Y-shaped aedeagal sclerite. Keys to males of species in particular ambers are provided. 


PeerJ ◽  
2015 ◽  
Vol 3 ◽  
pp. e1254 ◽  
Author(s):  
Frauke Stebner ◽  
Mónica M. Solórzano Kraemer ◽  
Sergio Ibáñez-Bernal ◽  
Rüdiger Wagner

One new subfamily, four new genera and 10 new species of Psychodidae are described from Burmese amber which significantly increases our knowledge about this group in the Cretaceous. Protopsychodinae n. subfam. probably represents the oldest known ancestor of modern Psychodinae and includes three species within two genera:Datzia setosagen. et sp. n.,Datzia bispinagen. et sp. n., andMandalayia beumersorumgen. et sp. n. Sycoracinae and Phlebotominae are represented by two genera each in the studied material,Palaeoparasycorax globosusgen. et sp. n.,Palaeoparasycorax suppusgen. et sp. n.,Parasycorax simplexsp. n., andPhlebotomites aphoesp. n. andPhlebotomus vetussp. n., respectively. Bruchomyiinae is represented byNemopalpus quadrispiculatussp. n. Furthermore, one genus of an incertae sedis subfamily,Bamara groehnigen. et sp. n., is described. The systematic positions of the new taxa are discussed.


2019 ◽  
Vol 2 (6) ◽  
pp. 657-664
Author(s):  
RYSZARD SZADZIEWSKI ◽  
ELŻBIETA SONTAG ◽  
WIESŁAW KRZEMIŃSKI ◽  
JACEK SZWEDO

Two new fossil genera and two new species of biting midges from mid-Cretaceous Burmese amber are described and illustrated: Burmahelea neli Szadziewski & Sontag gen. et sp. nov. (Atriculicoidini) and Nelohelea neli Szadziewski & Sontag gen. et sp. nov. (Ceratopogonini). This is the oldest record (99 Ma) of a predatory biting midge in the extant tribe Ceratopogonini and the subfamily Ceratopogoninae.


2021 ◽  
Vol 755 ◽  
pp. 22-46
Author(s):  
Leif Moritz ◽  
Thomas Wesener

A new family, Electrocambalidae fam. nov. of the suborder Cambalidea is described from Cretaceous Burmese amber based on two new genera, Electrocambala gen. nov. and Kachincambala gen. nov. with four new species, Electrocambala ornata gen. et sp. nov., E. cretacea gen. et sp. nov., Kachincambala muelleri gen. et sp. nov. and K. distorta gen. et sp. nov. The specimens are described combining classical light microscopy with drawings and photography, and modern micro-computed tomography (μCT). Morphological characters otherwise obscured are examined and visualized by creating volume renderings and 3D-segmentations from μCT data. Electrocambalidae fam. nov. is characterized by the following character combination: (1) a forward shift of leg pair 3, resulting in an apparently legless 3rd body ring, (2) presence of metazonital setae, and (3) extensive pilosity on the head. Although some of these characters are shared with other Juliformia they are unique in this combination. The described fossils are the oldest and first Mesozoic Spirostreptida and Cambalidea known and ca 70 million years older than previous records of the group.


Author(s):  
G. O. Poinar ◽  
A. E. Brown ◽  
A. A. Legalov

<p>A new tribe, Mekorhamphini trib. n., two new genera <em>Mekorhamphus</em> gen. n. and <em>Habropezus</em> gen. n. and two new species (<em>M</em>. <em>gyralommus</em> sp. n. and <em>H</em>. <em>plaisiommus</em> sp. n.) are described from Burmese amber. The new tribe resembles the tribe Mesophyletini but differs from the latter by possessing contiguous procoxal cavities and very wide elytra with regular striae. From the tribe Anchineini, it differs by the contiguous procoxal cavities, precoxal portion of the prosternum elongated, and swollen trochanters. The new taxa can be distinguished from modern Carini by having antennae attached near the middle of the rostrum, an elongated precoxal portion of the prosternum and enlarged trochanters.</p>


2011 ◽  
Vol 20 (1) ◽  
pp. 161-173
Author(s):  
A.P. Kassatkina

Resuming published and own data, a revision of classification of Chaetognatha is presented. The family Sagittidae Claus & Grobben, 1905 is given a rank of subclass, Sagittiones, characterised, in particular, by the presence of two pairs of sac-like gelatinous structures or two pairs of fins. Besides the order Aphragmophora Tokioka, 1965, it contains the new order Biphragmosagittiformes ord. nov., which is a unique group of Chaetognatha with an unusual combination of morphological characters: the transverse muscles present in both the trunk and the tail sections of the body; the seminal vesicles simple, without internal complex compartments; the presence of two pairs of lateral fins. The only family assigned to the new order, Biphragmosagittidae fam. nov., contains two genera. Diagnoses of the two new genera, Biphragmosagitta gen. nov. (type species B. tarasovi sp. nov. and B. angusticephala sp. nov.) and Biphragmofastigata gen. nov. (type species B. fastigata sp. nov.), detailed descriptions and pictures of the three new species are presented.


Zootaxa ◽  
2009 ◽  
Vol 2205 (1) ◽  
pp. 1-36 ◽  
Author(s):  
MICHAEL HOFFMANN ◽  
PETER GRUBB ◽  
COLIN P. GROVES ◽  
RAINER HUTTERER ◽  
ERIK VAN DER STRAETEN ◽  
...  

We provide a synthesis of all mammal taxa described from the African mainland, Madagascar and all surrounding islands in the 20 years since 1988, thereby supplementing the earlier works of G.M. Allen (1939) and W.F.H. Ansell (1989), and bringing the list of African mammals described over the last 250 years current to December 2008. We list 175 new extant taxa, including five new genera, one new subgenus, 138 new species and 31 new subspecies, including remarks, where relevant, on the current systematic position of each taxon. Names of seven species of primates are emended, according to the requirements of the ICZN. The taxonomic group in which the largest number of new taxa has been described is the Primates, with two new genera, 47 new species and 11 new subspecies, while geographically the biggest increase in new species descriptions has been on the island of Madagascar, accounting for roughly half (67) of all new species described in the past 20 years. Nearly half of all new species listed currently are assessed as Data Deficient on the IUCN Red List of Threatened Species (49 of 101 listed species) suggesting further research is urgently needed to help clarify the status of those recently described species.


1992 ◽  
Vol 11 (1) ◽  
pp. 85-93 ◽  
Author(s):  
Martin R. Langer

Abstract. Two new genera and eight new species of benthic foraminifera are described from the shallow water, tropical lagoon of Madang, Papua New Guinea. The new hauerinid genus Pseudolachlanella is characterized by juvenile cryptoquinqueloculine, adult almost massiline arranged chambers, and a slitlike, curved aperture with parallel sides and a long, slender, curved miliolid tooth. Pitella haigi n. gen., n. sp. is a new foraminifera with cryptoquinqueloculine arranged chambers, an almost entirely pitted shell surface (pseudopores) and a rounded aperture with a short simple tooth. Among the other species described as new are four hauerinids and two agglutinated foraminifera All new species described here occur sporadically in the shallow water back- and forereef environments of the lagoon (0–55m), and live infaunally and epifaunally in well-oxygenated, fine and coarse grained biogenic sediments. They are absent in muddy, organic-rich, low-oxygen sedimentary environments within bay inlets where variations of salinity are considerable.


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