Michael Balke
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View article: Unknown Germany - An integrative biodiversity discovery program
Unknown Germany - An integrative biodiversity discovery program Open
Biodiversity knowledge, from genes to ecosystems, is crucial for addressing the biodiversity crisis. However, even in well-explored countries like Germany, much biodiversity remains unknown. Therefore, several research institutions are joi…
View article: Delimitation of Molecular Operational Taxonomic Units (MOTU) and euglossine bees diversity in two altitudinal gradients of northern Colombia
Delimitation of Molecular Operational Taxonomic Units (MOTU) and euglossine bees diversity in two altitudinal gradients of northern Colombia Open
The tribe Euglossini (orchid bees) is vital for tropical pollination, making their diversity and distribution across altitudinal gradients crucial for ecological studies and conservation. This study assesses Euglossini diversity in norther…
View article: A review of Limbodessus Guignot, 1939 from New Guinea, with description of eight new tropical-alpine species (Coleoptera, Dytiscidae, Bidessini)
A review of Limbodessus Guignot, 1939 from New Guinea, with description of eight new tropical-alpine species (Coleoptera, Dytiscidae, Bidessini) Open
The genus Limbodessus Guignot, 1939 from New Guinea is reviewed. Eight new species are described from the Central Mountain Range of New Guinea, from altitudes of 1,800 up to 3,500 m above sea level: Limbodessus aipo sp. nov. , L. aldente s…
View article: Synopsis of the stingless bees of the <i>favosa</i> group of the genus <i>Melipona</i> (Hymenoptera: Apidae: Meliponini) in Colombia
Synopsis of the stingless bees of the <i>favosa</i> group of the genus <i>Melipona</i> (Hymenoptera: Apidae: Meliponini) in Colombia Open
Stingless bees (Apidae: Meliponini) are of great biological, economic, and culturally important group. In Colombia, species such as those of the favosa group of the genus Melipona with three species reported for the country especially stan…
View article: Recent range expansion and lineage idiosyncratic population structure of Liodessus diving beetles in the high Andes (Coleoptera: Dytiscidae, Bidessini)
Recent range expansion and lineage idiosyncratic population structure of Liodessus diving beetles in the high Andes (Coleoptera: Dytiscidae, Bidessini) Open
Here, we review the taxonomy and population genetic structure of diving beetles in the genus Liodessus Guignot, 1939 from the high Andes of southern Colombia and Ecuador. Liodessus quillacinga ecuadoriensis ssp. nov. is described from the …
View article: Revision of the Austrelatus papuensis group with descriptions of 42 new species from New Guinea (Coleoptera, Dytiscidae, Copelatinae)
Revision of the Austrelatus papuensis group with descriptions of 42 new species from New Guinea (Coleoptera, Dytiscidae, Copelatinae) Open
The Austrelatus papuensis group is the second species group of the New Guinean representatives of the recently described genus Austrelatus Shaverdo et al., 2023. The group is mainly defined by distinct scale- and/or spinula-like surface st…
View article: Bunites distigma (Brullé, 1837): discovery of the second- and third-instar larvae and phylogenetic relationships within the Colymbetinae (Coleoptera: Dytiscidae)
Bunites distigma (Brullé, 1837): discovery of the second- and third-instar larvae and phylogenetic relationships within the Colymbetinae (Coleoptera: Dytiscidae) Open
The second- and third-instar larvae of the diving beetle Bunites distigma (Brullé, 1837) are described and illustrated for the first time, including detailed morphometric and chaetotaxic analyses of selected structures, and their phylogene…
View article: Beetle evolution illuminates the geological history of the World's most diverse tropical archipelago
Beetle evolution illuminates the geological history of the World's most diverse tropical archipelago Open
The geologically‐complex Indo–Australian–Melanesian archipelago (IAMA) hosts extraordinarily high levels of species richness and endemism and has long served as a natural laboratory for studying biogeography and evolution. Nonetheless, its…
View article: Underestimated diversity and range size of diving beetles in tank bromeliads—Coleoptera of ‘hygrofloric’ lifestyle (Dytiscidae)
Underestimated diversity and range size of diving beetles in tank bromeliads—Coleoptera of ‘hygrofloric’ lifestyle (Dytiscidae) Open
Tank bromeliads provide a vast amount of stagnant water high up in the Neotropical forest canopy. However, the aquatic macroinvertebrate diversity in this specialized habitat remains poorly explored. Here, we study obligatorily bromeliadic…
View article: Abundant, diverse, unknown: Extreme species richness and turnover despite drastic undersampling in two closely placed tropical Malaise traps
Abundant, diverse, unknown: Extreme species richness and turnover despite drastic undersampling in two closely placed tropical Malaise traps Open
Arthropods account for a large proportion of animal biomass and diversity in terrestrial systems, making them crucial organisms in our environments. However, still too little is known about the highly abundant and megadiverse groups that o…
View article: Phylogenetic placement and description of <i>Ngaliadessus humphreysi</i> gen. et sp. nov., Watts & Villastrigo (Coleoptera: Dytiscidae), a subterranean diving beetle from the Ngalia Basin in central Australia
Phylogenetic placement and description of <i>Ngaliadessus humphreysi</i> gen. et sp. nov., Watts & Villastrigo (Coleoptera: Dytiscidae), a subterranean diving beetle from the Ngalia Basin in central Australia Open
The largest diversity in the world of subterranean diving beetles (Dytiscidae) has been discovered in underground waters of the Australian arid zone. The majority of species are from the Dytiscidae genera Limbodessus Guignot, 1939 (Bidessi…
View article: Austrelatus gen. nov., a new genus of Australasian diving beetles (Coleoptera, Dytiscidae, Copelatinae), with the discovery of 31 new species from New Guinea
Austrelatus gen. nov., a new genus of Australasian diving beetles (Coleoptera, Dytiscidae, Copelatinae), with the discovery of 31 new species from New Guinea Open
Herein, Austrelatus gen. nov. (type species: Copelatus irregularis W.J. Macleay, 1871) is described for a distinctive lineage of predominantly Australasian species previously assigned to Copelatus Erichson, 1832. The new genus was retrieve…
View article: DNA barcoding data release for the Phoridae (Insecta, Diptera) of the Halimun-Salak National Park (Java, Indonesia)
DNA barcoding data release for the Phoridae (Insecta, Diptera) of the Halimun-Salak National Park (Java, Indonesia) Open
Launched in 2015, the large-scale initiative Indonesian Biodiversity Discovery and Information System (IndoBioSys) is a multidisciplinary German-Indonesian collaboration with the main goal of establishing a standardised framework for speci…
View article: A new, putatively semisubterranean, Rhithrodytes diving beetle from southwestern Sardinia (Coleoptera: Dytiscidae)
A new, putatively semisubterranean, Rhithrodytes diving beetle from southwestern Sardinia (Coleoptera: Dytiscidae) Open
The diving beetle genus Rhithrodytes Bameul, 1989 is endemic to areas surrounding the Western Mediterranean Basin, and currently includes six lotic species; three each in Europe and North Africa. Here we describe a striking new species, Rh…
View article: DNA barcoding data release for the Phoridae (Insecta, Diptera) of the Halimun-Salak National Park (Java, Indonesia)
DNA barcoding data release for the Phoridae (Insecta, Diptera) of the Halimun-Salak National Park (Java, Indonesia) Open
Launched in 2015, the large-scale initiative Indonesian Biodiversity Discovery and Information System (IndoBioSys) is a multidisciplinary German-Indonesian collaboration with the main goal of establishing a standardized framework for speci…
View article: Abundant, diverse, unknown: Extreme species richness and turnover despite drastic undersampling in two closely placed tropical Malaise traps
Abundant, diverse, unknown: Extreme species richness and turnover despite drastic undersampling in two closely placed tropical Malaise traps Open
Arthropods account for a large proportion of animal biomass and diversity in terrestrial systems, making them crucial organisms in our environments. However, still too little is known about the highly abundant and megadiverse groups that o…
View article: A review of the genus Platynectes from the Solomon Islands (Coleoptera: Dytiscidae: Agabinae)
A review of the genus Platynectes from the Solomon Islands (Coleoptera: Dytiscidae: Agabinae) Open
Seven new species of the genus Platynectes Régimbart, 1879 from the Solomon Islands are described: Platynectes barana sp. nov., P. mbaole sp. nov., P. popomanaseu sp. nov. (all from Guadalcanal), P. lunga sp. nov. (Guadalcanal and Savo), P…
View article: Eastern Colombian Páramo Liodessus Guignot, 1939 diving beetles are genetically structured, but show signs of hybridization, with description of new species and subspecies (Coleoptera, Dytiscidae)
Eastern Colombian Páramo Liodessus Guignot, 1939 diving beetles are genetically structured, but show signs of hybridization, with description of new species and subspecies (Coleoptera, Dytiscidae) Open
We studied Liodessus diving beetles from six eastern Colombian Páramo areas, as well as from the Altiplano. We discovered a highly characteristic new species, based on male genital morphology, Liodessus santarosita sp. nov. , in the Páramo…
View article: Alignment: A new, putatively semisubterranean, Rhithrodytes diving beetle from Southwestern Sardinia (Coleoptera: Dytiscidae: Hydroporini)
Alignment: A new, putatively semisubterranean, Rhithrodytes diving beetle from Southwestern Sardinia (Coleoptera: Dytiscidae: Hydroporini) Open
Alignment for the molecular analyses made in the publication A new, putatively semisubterranean, Rhithrodytes diving beetle from Southwestern Sardinia (Coleoptera: Dytiscidae: Hydroporini).
View article: Austrelatus gen. nov., a new genus of Australasian diving beetles (Coleoptera, Dytiscidae, Copelatinae), with the discovery of 31 new species from New Guinea
Austrelatus gen. nov., a new genus of Australasian diving beetles (Coleoptera, Dytiscidae, Copelatinae), with the discovery of 31 new species from New Guinea Open
This dataset contains the digitized treatments in Plazi based on the original journal article Shaverdo, Helena, Hajek, Jiri, Hendrich, Lars, Surbakti, Suriani, Panjaitan, Rawati, Balke, Michael (2023): Austrelatus gen. nov., a new genus of…
View article: Alignment: A new, putatively semisubterranean, Rhithrodytes diving beetle from Southwestern Sardinia (Coleoptera: Dytiscidae: Hydroporini)
Alignment: A new, putatively semisubterranean, Rhithrodytes diving beetle from Southwestern Sardinia (Coleoptera: Dytiscidae: Hydroporini) Open
Alignment for the molecular analyses made in the publication A new, putatively semisubterranean, Rhithrodytes diving beetle from Southwestern Sardinia (Coleoptera: Dytiscidae: Hydroporini).
View article: A CITIZEN SCIENCE CASE STUDY TO CHART INDONESIAN BIODIVERSITY: UPDATING THE DIVING BEETLE FAUNA OF BALI (COLEOPTERA: DYTISCIDAE)
A CITIZEN SCIENCE CASE STUDY TO CHART INDONESIAN BIODIVERSITY: UPDATING THE DIVING BEETLE FAUNA OF BALI (COLEOPTERA: DYTISCIDAE) Open
We present new data on the geographical distribution of 16 species of diving beetles collected by an Indonesian citizen scientist in Bali. Copelatus oblitus Sharp, 1882, C. regimbarti Branden, 1884, C. sumbawensis Régimbart, 1899, and Hydr…
View article: A species-group key and notes on phylogeny and character evolution in New Guinean Exocelina Broun, 1886 diving beetles (Coleoptera, Dytiscidae, Copelatinae)
A species-group key and notes on phylogeny and character evolution in New Guinean Exocelina Broun, 1886 diving beetles (Coleoptera, Dytiscidae, Copelatinae) Open
Detailed information about the known species groups of Exocelina Broun, 1886 from New Guinea is presented, including species numbers, distribution, and references of species-group diagnoses, keys to the species, and species descriptions. A…
View article: NextRAD phylogenomics, sanger sequencing and morphological data to establish three new species of New Guinea stream beetles
NextRAD phylogenomics, sanger sequencing and morphological data to establish three new species of New Guinea stream beetles Open
We use molecular phylogenomic as well as morphological data to provide a taxonomic update on New Guinea endemic Philaccolilus diving beetles. In these lotic beetles, we find cryptic diversity that highlights the need for geographically den…
View article: Three dispersal routes out of Africa: A puzzling biogeographical history in freshwater planarians
Three dispersal routes out of Africa: A puzzling biogeographical history in freshwater planarians Open
Aim Freshwater planarians may have a wide geographical range despite their assumed low vagility. Found across four continents, Dugesia may have either an ancient origin on a large palaeo landmass, followed by colonisation in different regi…
View article: Two new high Andean species of Liodessus diving beetles from Venezuela (Coleoptera, Dytiscidae, Bidessini)
Two new high Andean species of Liodessus diving beetles from Venezuela (Coleoptera, Dytiscidae, Bidessini) Open
Two new species of the diving beetle genus Liodessus Guignot, 1939 are described from high mountain regions in Venezuela: Liodessus meridensis sp. nov. from Laguna de Mucabají, Mérida and L. venezuelensis sp. nov. from Laguna de Mucabají a…
View article: Borneodessus zetteli kalimantanensis Balke, Hendrich, Mazzoldi &amp; Bistr&ouml;m, 2002: first record of a rare and little-known diving beetle from Sarawak (Coleoptera, Dytiscidae)
Borneodessus zetteli kalimantanensis Balke, Hendrich, Mazzoldi & Biström, 2002: first record of a rare and little-known diving beetle from Sarawak (Coleoptera, Dytiscidae) Open
The diving beetle Borneodessus zetteli kalimantanensis Balke, Hendrich, Mazzoldi & Biström, 2002, an endemic species of Borneo, is recorded for the first time from Sarawak. The specimen was collected from submerged rootlets of a l…
View article: Discovery of the diving beetle Laccornis oblongus (Stephens, 1835)&nbsp;in Bavaria, southern Germany (Coleoptera, Dytiscidae, Hydroporinae, Laccornini)
Discovery of the diving beetle Laccornis oblongus (Stephens, 1835) in Bavaria, southern Germany (Coleoptera, Dytiscidae, Hydroporinae, Laccornini) Open
The diving beetle Laccornis oblongus (Stephens, 1835) is recorded for the first time from Bavaria, southern Germany, which marks the most south-westerly record of the species known to date. Three specimens were collected in the Murnauer Mo…
View article: The complete mitochondrial genomes of Notiophilus quadripunctatus Dejean, 1826 and Omophron limbatum (Fabricius, 1777): New insights into the mitogenome phylogeny of the Carabidae (Insecta, Coleoptera)
The complete mitochondrial genomes of Notiophilus quadripunctatus Dejean, 1826 and Omophron limbatum (Fabricius, 1777): New insights into the mitogenome phylogeny of the Carabidae (Insecta, Coleoptera) Open
The Carabidae is by far the largest family of the Adephaga, with more than 40,000 described species. Whereas their phylogeny has been extensively studied, convergences and reversals in morphological traits prevent a robust phylogenetic con…