Tobias Mainda

University of Tuebingen | EKU Tübingen · Institute of Evolution and Ecology

Stenus praedator sp. nov. (Philippines: Mindanao) is described and the S. heterocerus group is proposed. All species of the group are figured.

A new species of the genus Stenus Latreille is described: Stenus attenboroughi nov.sp. (West-Papua: Cyclops Mts.). Remarks on Stenus amor (West-Papua: Biak Island) are given and new faunistic data of Stenus agricola, Stenus balkei, Stenus hypostenoides, Stenus piliferus obesulus, Stenus prismalis, Stenus rorellus cursorius and Stenus sepikensis fro...

One new species of the Cretaceous genus Festenus ŻYŁA et al., 2017 is described: F. annodutt (Myanmar).

One new species of the genus Festenus Żyła et al., 2017 is described from the Albian of the Cretaceous (Hkamti-Burmese amber, ca. 110 Ma): Festenus microraptor nov.sp. (Myanmar). A checklist of all Festenus species described so far is presented and the results are discussed.

Stenus vitzliputzli sp.n. (Coleoptera: Staphylinidae: Steninae) is described from Mexico (Veracruz). It belongs to the S. hostilis species group and is very similar to S. baranowskii Puthz, 2001.

A new species of the staphylinid genus Megalopinus Eichelbaum, 1915 is described from Australia, Queensland, Cape York Peninsula: Megalopinus casuarius Mainda sp. nov. Furthermore, a new term for elytral puncture-rows is introduced: epipleural complex: merged sublateral and epipleural rows. In addition, new distribution data of Megalopinus acaciae...

Records of Hypocoprus latridioides Motschulsky, 1839 on the island of Hiddensee (Coleoptera: Cryptophagidae). The silken fungus beetle (Coleoptera: Cryptophagidae) Hypocoprus latridioides Motschulsky, 1839 was found in August 2022 at two different locations on the Baltic Sea island of Hiddensee under horse and cattle dung. These are the only curren...

One new species, Megalopinus puthzianus spec. nov. from the Malacca Peninsula in Malaysia and Thailand, which was previously interpreted as Megalopinus hirashimai Naomi, 1986 is described. The species M. hirashimai is redescribed and its aedeagus is illustrated for the first time. The synonymy of Megalopinus tangi Puthz, 2012 and Megalopinus lapsus...

The beetle fauna (Coleoptera) of the small waterbody Greifensoll near Greifswald in Western Pomerania, northeastern Germany Abstract: The beetle fauna of a small inland waterbody on the southern outskirts of Greifswald in Western Pomerania, Germany (54°03'48.3 "N 13°22'41.4 "E) was studied from 2019 to 2022. This small waterbody is for the first ti...

New records of Stenus gracilipes KRAATZ, 1857 from Germany (Coleoptera, Staphylinidae, Steninae). Stenus gracilipes is reported for the first time after the year 2000 for Germany. The species and its collecting site are presented and illustrated.

Two new species of the genus Metapocyrtus Heller, 1912 from the islands of Homonhon and Mindanao: Metapocyrtus (Sclerocyrtus) rolandmuelleri Cabras and Mainda sp. nov. and Metapocyrtus (Sclerocyrtus) dabaw Cabras and Mainda sp. nov. are described and illustrated in this paper. It is also proposed to transfer a species from the subgenus Artapocyrtus...

A new species of the genus Megalopinus Eichelbaum, 1915 from the Huachuca Mountains in Arizona, U.S.A., Megalopinus lingafelteri spec. nov., is described and illustrated. It is the northernmost member of the Megalopinus peploides (Sharp, 1886) species group. Its habitat is illustrated, comparing it to presumptive closely related species.

The informal Scopaeus kokodanus species group (Coleoptera: Staphylinidae: Paederinae: Scopaeina) is defined using diagnostic primary and secondary sexual characters. It comprises S. kokodanus Cameron, 1938 (Papua New Guinea), S. arfakmontium spec. nov. (Indonesia: West Papua), S. balkei spec. nov. (Indonesia: Papua) and S. potamides spec. nov. (Sol...

Two new species of the genus Megalopinus Eichelbaum, 1915 are described: Megalopinus ingeae sp. nov. (Philippines: Mindanao) and Megalopinus rolandmuelleri sp. nov. (Philippines: Mindanao). An overview of all Megalopinus species known from the Philippines so far is presented. Megalopinus lapsus nom. nov. is established as a replacement name for the...

Remnants of a specimen of Plateumaris Thomson, 1859, probably P. discolor (Panzer, 1795), were found in a peat layer from a drained kettle hole in the Uckermark area (Brandenburg, Germany, 53°23'49.44"N 13°36'04.84"E). The peat, in which the remnants were found, was analysed for its pollen content to determine age and former site conditions. The re...

Additions to the list of beetles (Coleoptera) of Brandenburg and Berlin (Germany): New species records and data on rarely collected species. Esser (2009) presented a check-list of beetles of the Brandenburg area including Berlin, in the present publication new records and species new to the area are added. New for the region are Megasternum immacul...

Der Scharlachrote Plattkäfer Cucujus cinnaberinus wurde im Jahr 2019 das erste Mal in Berlin beobachtet. Bisher sind Vorkommen an drei Standorten im Stadtgebiet bekannt geworden. Da die Art ihr Verbreitungsgebiet in Deutschland in den letzten Jahren erheblich erweiterte, konnte mit einem Auftreten in Berlin gerechnet werden. Die vorliegende Art lie...

Stenus sylvester wurde in Deutschland in Brandenburg in der Uckermark und in Vorpommern in der Umgebung von Greifswald wiedergefunden. Der Nachweis gelang an Feldsöllen, künstlichen Kleingewässern und an Waldtümpeln. Alle begleitend gefundenen Stenus-Arten werden veröffentlicht und die Fundorte detailliert vorgestellt. Rediscovery of Stenus sylves...

Staniec (2001) first recorded Stenus pseudoboops Puthz, 1966 for Poland, but the specimens belong to Stenus ampliventris J. Sahlberg, 1890 as recent research showed. In this paper the mistake is corrected, an overview of how to distinguish both species is given and information about the distribution and ecological preferences of both species are pr...

Stenus ampliventris J. Sahlberg, 1890 was recorded in the forest area Schorfheide, Brandenburg, Germany. This record supports the synonymisation of Stenus wagneri L. Benick, 1917 by Puthz (1991). The beetle is illustrated and all known German collection sites are reviewed.

New records of Cucujus cinnaberinus (Scopoli, 1763) from Brandenburg are published and the collecting sites are shortly described. Furthermore a remark on the use of Populus x canadensis in land use is given.

During the years 2014 to 2017, Stenus ampliventris J. Sahlberg, 1890 was traced in the surroundings of Chorin (Brandenburg, Germany). Information is given on all species of Stenus collected, and the collection sites are described. Characters to distinguish Stenus tarsalis Ljungh, 1810 and Stenus oscillator Rye, 1870 are presented.

Four new species are described: Stenus apomontis sp. nov. (Philippines: Mindanao), S. laciniferus sp. nov. (Indonesia: Borneo, South Kalimantan), S. arunachalensis sp. nov. (North India: Arunachal Pradesh) and S. longetaeniatus sp. nov. (North India: Arunachal Pradesh). It is also noted that the group of Stenus tenuimarginalis Bernhauer, 1926, cons...

The Cinnabar Flat Bark Beetle was recorded since 2014 from Brandenburg (Germany). At the moment the species is known from sixteen areas in the western part of Brandenburg. Probably, the species is expansive. The present paper deals with information about the distribution, life history and identifying of Cucujus cinnaberinus. The species is listed i...

Record of the Cucujus cinnaberinus (Scopoli, 1763) in Brandenburg (Germany). A record of Cucujus cinnaberinus in the German federal state of Brandenburg is published. It's the first record of this protected species from this area. The collecting sites are presented. Cucujus cinnaberinus was found in Populus x canadensis plantations.

Records of beetle species rarely recorded from the Havelland area in the state Brandenburg are summarized. Moreover, additional information on the record of Anaspis humeralis (Fabricius, 1775) published by Mainda (2012) is given.

Während eines Exkursionswochenendes der Entomologischen Gesellschaft „Orion“ Berlin e.V. in das Altmühltal konnten 144 Käferarten nachgewiesen werden. Die Exkursionen führten in der Hauptsache auf den Solnhofer Berg bei Mörnsheim und das Wellheimer Trockental bei Dollnstein (Fundorte 2 und 3). Die übrigen Fundorte wurden im Nachgang des Wochenendes...

Anaspis humeralis (Fabricius, 1775) (Scraptiidae) is recorded from Brandenburg for the first time. Records of two other beetle species rarely recorded from Brandenburg are published.